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Place ID 239259 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
5S 239259 Malakoff Diggins Historic Park Metal Mining 23579 North Bloomfield Nevada City, CA, 95959 Nevada
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
648847 Person Mark Naugle Is A Data Submitter For 01/17/2025
647668 Person Fletcher Christian Is A Data Submitter For 10/17/2024
643599 Person Liam Dooley Is A Data Submitter For 01/31/2024
641743 Person Joel Broddon Is A Data Submitter For 09/20/2023
640219 Person Jeramy Chapdelaine Is Onsite Manager For 07/14/2023
635134 Person Kevin Douglas Kimball Is A Data Submitter For 09/06/2022 01/31/2024
578327 Person Russell J Hansen Pending-is a data submitter for 05/30/2018
577652 Person Gary Robert Leach Is Onsite Manager For 05/25/2018
531640 Person Donna Ernst Is A Data Submitter For 10/09/2017 06/07/2023
527456 Person Daniel Millsap Is Onsite Manager For 10/05/2017
6986 Organization Ca Dept of Parks & Rec Sacramento Owner State Agency 12/17/1976
Total Related Parties: 11
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
450543 NPDES Permit 5S NPDMINING R5-2023-0002 5A290802001 04/01/2023 03/31/2028 Active N
411886 NPDES Permit 5S NPDMINING R5-2017-0086 5A290802001 10/01/2017 09/30/2022 Historical N
138671 WDR 5S WDRMUNIOTH 76-258 5A290802001 12/17/1976 12/15/1986 Historical N
Total Reg Measures: 3
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1140591 01/07/2025 OEV Turbidity Instantaneous Maximum limit is 2 NTU and reported value was 11.5 NTU at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting and approvals (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR began construction in summer 2024 and plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1140584 01/07/2025 CAT1 Aluminum, Total Daily Maximum limit is 290 ug/L and reported value was 4400 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting and approvals (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR began construction in summer 2024 and plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1140587 01/07/2025 CAT1 Aluminum, Total Monthly Average limit is 94 ug/L and reported value was 4400 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting and approvals (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR began construction in summer 2024 and plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1140590 01/07/2025 CAT1 Iron, Total Daily Maximum limit is 2000 ug/L and reported value was 2200 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting and approvals (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR began construction in summer 2024 and plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1140580 01/07/2025 CAT1 Iron, Total Monthly Average limit is 710 ug/L and reported value was 2200 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting and approvals (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR began construction in summer 2024 and plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1140581 01/07/2025 CAT1 Manganese, Total Daily Maximum limit is 130 ug/L and reported value was 330 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting and approvals (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR began construction in summer 2024 and plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1140588 01/07/2025 CAT1 Manganese, Total Monthly Average limit is 72 ug/L and reported value was 330 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting and approvals (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR began construction in summer 2024 and plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1140585 01/07/2025 CAT2 Copper, Total Daily Maximum limit is 3.9 ug/L and reported value was 4.6 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting and approvals (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR began construction in summer 2024 and plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1140589 01/07/2025 CAT2 Copper, Total Monthly Average limit is 1.3 ug/L and reported value was 4.6 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting and approvals (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR began construction in summer 2024 and plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1140586 01/07/2025 CAT2 Nickel, Total Daily Maximum limit is 26 ug/L and reported value was 34 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting and approvals (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR began construction in summer 2024 and plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1140582 01/07/2025 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 34 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting and approvals (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR began construction in summer 2024 and plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1140583 01/07/2025 CAT2 Zinc, Total Monthly Average limit is 18 ug/L and reported value was 24 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting and approvals (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR began construction in summer 2024 and plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1139718 12/03/2024 CAT1 Aluminum, Total Maximum Daily (MDEL) limit is 290 ug/L and reported value was 1100 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1139723 12/03/2024 CAT1 Aluminum, Total Monthly Average limit is 94 ug/L and reported value was 1100 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1139724 12/03/2024 CAT1 Iron, Total Monthly Average limit is 710 ug/L and reported value was 1700 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1139720 12/03/2024 CAT1 Manganese, Total Maximum Daily (MDEL) limit is 130 ug/L and reported value was 480 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1139719 12/03/2024 CAT1 Manganese, Total Monthly Average limit is 72 ug/L and reported value was 480 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1139725 12/03/2024 CAT2 Copper, Total Maximum Daily (MDEL) limit is 3.9 ug/L and reported value was 5.3 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1139716 12/03/2024 CAT2 Copper, Total Monthly Average limit is 1.3 ug/L and reported value was 5.3 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1139717 12/03/2024 CAT2 Nickel, Total Maximum Daily (MDEL) limit is 26 ug/L and reported value was 60 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1139721 12/03/2024 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 60 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1139715 12/03/2024 CAT2 Zinc, Total Maximum Daily (MDEL) limit is 38 ug/L and reported value was 44 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1139722 12/03/2024 CAT2 Zinc, Total Monthly Average limit is 18 ug/L and reported value was 44 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1138274 11/26/2024 CAT2 Copper, Total Daily Maximum limit is 3.9 ug/L and reported value was 18 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1138273 11/26/2024 CAT2 Copper, Total Monthly Average limit is 1.3 ug/L and reported value was 18 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1138278 11/26/2024 CAT2 Nickel, Total Daily Maximum limit is 26 ug/L and reported value was 37 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1138275 11/26/2024 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 37 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation A eSMR
1138276 11/26/2024 CAT2 Zinc, Total Monthly Average limit is 18 ug/L and reported value was 32 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to continue construction of the BMPs during the summer of 2025. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1131240 07/09/2024 CAT2 Nickel, Total Maximum Daily (MDEL) limit is 26 ug/L and reported value was 64 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1131241 07/09/2024 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 64 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1131242 07/09/2024 CAT2 Zinc, Total Monthly Average limit is 18 ug/L and reported value was 23 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1130109 06/11/2024 OEV Turbidity Instantaneous Maximum limit is 2.00 NTU and reported value was 2.04 NTU at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1130108 06/11/2024 CAT2 Nickel, Total Maximum Daily (MDEL) limit is 26 ug/L and reported value was 39 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1130106 06/11/2024 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 39 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1128959 05/01/2024 OEV Turbidity Instantaneous Maximum limit is 2.69 NTU and reported value was 4.90 NTU at RSW-002. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1128957 05/01/2024 CAT2 Copper, Total Monthly Average limit is 1.3 ug/L and reported value was 2 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1128958 05/01/2024 CAT2 Nickel, Total Maximum Daily (MDEL) limit is 26 ug/L and reported value was 32 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1128950 05/01/2024 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 32 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation A eSMR
1128098 04/10/2024 OEV Turbidity Instantaneous Maximum limit is 2 NTU and reported value was 11.47 NTU at RSW-002. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation U eSMR
1128092 04/10/2024 CAT2 Copper, Total Monthly Average limit is 1.3 ug/L and reported value was 1.9 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1128094 04/10/2024 CAT2 Nickel, Total Maximum Daily (MDEL) limit is 26 ug/L and reported value was 30 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1128095 04/10/2024 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 30 ug/L at EFF-001. DPR has submitted an Engineering Evaluation, BMP Options Assessment/ Engineering Evaluation, BMP Plan, and Confirmation of Finance Resource Commitment to the Regional Board in accordance with Order No. R5-2017-0086. DPR has completed CEQA evaluation, cultural evaluation, and regulatory permitting (Clean Water Act section 401 and 404, California Department of Fish and Wildlife section 1600, and stormwater) for the planned BMPs. DPR plans to construct the BMPs during the summer of 2024. These BMPs will reduce the amount of sediment and other related constituents in discharges through the Hiller Tunnel. Violation B eSMR
1126556 03/20/2024 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.32 SU at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation U eSMR
1126559 03/20/2024 CAT2 Copper, Total Recoverable Monthly Average limit is 1.3 ug/L and reported value was 2.5 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1126555 03/20/2024 CAT2 Nickel, Total Daily Maximum limit is 26 ug/L and reported value was 32 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1126553 03/20/2024 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 32 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1125332 02/13/2024 CAT2 Copper, Total Monthly Average (Mean) limit is 1.3 ug/L and reported value was 2 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1125335 02/13/2024 CAT2 Nickel, Total Daily Maximum limit is 26 ug/L and reported value was 38 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1125328 02/13/2024 CAT2 Nickel, Total Monthly Average (Mean) limit is 14 ug/L and reported value was 38 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation U eSMR
1131612 02/13/2024 Surface Water On 13th February 2024, the receiving Water turbidity increased by more then allowable limit. RSW-001: 1 NTU, EFF-001: 21NTU, RSW-002: 118NTU Violation B Report
1124732 01/09/2024 CAT1 Aluminum, Total Daily Maximum limit is 290 ug/L and reported value was 2400 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1124727 01/09/2024 CAT1 Aluminum, Total Monthly Average limit is 94 ug/L and reported value was 2400 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1124734 01/09/2024 CAT1 Iron, Total Daily Maximum limit is 2000 ug/L and reported value was 4400 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1124728 01/09/2024 CAT1 Iron, Total Monthly Average limit is 710 ug/L and reported value was 4400 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1124733 01/09/2024 CAT1 Manganese, Total Daily Maximum limit is 130 ug/L and reported value was 710 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1124730 01/09/2024 CAT1 Manganese, Total Monthly Average limit is 72 ug/L and reported value was 710 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1124726 01/09/2024 CAT2 Copper, Total Daily Maximum limit is 3.9 ug/L and reported value was 7.1 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1124736 01/09/2024 CAT2 Copper, Total Monthly Average limit is 1.3 ug/L and reported value was 7.1 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1124735 01/09/2024 CAT2 Nickel, Total Daily Maximum limit is 26 ug/L and reported value was 53 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1124729 01/09/2024 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 53 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1124731 01/09/2024 CAT2 Zinc, Total Monthly Average limit is 18 ug/L and reported value was 33 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123608 12/14/2023 CAT1 Aluminum, Total Recoverable Monthly Average (Mean) limit is 94 ug/L and reported value was 2122 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123613 12/14/2023 CAT1 Iron, Total Recoverable Monthly Average limit is 710 ug/L and reported value was 2100 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123612 12/14/2023 CAT1 Manganese, Total Recoverable Maximum Daily (MDEL) limit is 130 ug/L and reported value was 670 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123611 12/14/2023 CAT1 Manganese, Total Recoverable Monthly Average limit is 72 ug/L and reported value was 585 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123615 12/14/2023 CAT2 Copper, Total Recoverable Monthly Average limit is 1.3 ug/L and reported value was 4.5 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123602 12/14/2023 CAT2 Mercury, Total Recoverable Annual Average (Mean) limit is 0.012 ug/L and reported value was 0.0135 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123603 12/14/2023 CAT2 Nickel, Total Recoverable Maximum Daily (MDEL) limit is 26 ug/L and reported value was 62 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123604 12/14/2023 CAT2 Nickel, Total Recoverable Monthly Average limit is 14 ug/L and reported value was 60 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123606 12/14/2023 CAT2 Zinc, Total Recoverable Monthly Average limit is 18 ug/L and reported value was 36.5 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123609 12/07/2023 Order Conditions Turbidity Instantaneous Maximum limit is 2 NTU and reported value was 18.37 NTU at RSW-002. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123614 12/07/2023 CAT1 Aluminum, Total Recoverable Maximum Daily (MDEL) limit is 290 ug/L and reported value was 4200 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123607 12/07/2023 CAT1 Iron, Total Recoverable Maximum Daily (MDEL) limit is 2000 ug/L and reported value was 3000 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation U eSMR
1123610 12/07/2023 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 3.9 ug/L and reported value was 7 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1123605 12/07/2023 CAT2 Zinc, Total Recoverable Maximum Daily (MDEL) limit is 38 ug/L and reported value was 40 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2023-0005. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation U eSMR
1121570 09/13/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 4.88 SU at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2017-0086. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1121572 09/13/2023 CAT2 Nickel, Total Maximum Daily (MDEL) limit is 26 ug/L and reported value was 58 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2017-0086. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1121571 09/13/2023 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 58 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2017-0086. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1121573 09/13/2023 CAT2 Zinc, Total Monthly Average limit is 18 ug/L and reported value was 22 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2017-0086. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1121566 09/13/2023 Surface Water The pH to be depressed below 6.5 nor raised above 8.5. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2017-0086. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1120667 08/02/2023 CAT2 Nickel, Total Daily Maximum limit is 26 ug/L and reported value was 67 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2017-0086. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1120662 08/02/2023 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 67 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2017-0086. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1120665 08/02/2023 CAT2 Zinc, Total Monthly Average limit is 18 ug/L and reported value was 25 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2017-0086. At the current time, planned BMPs are undergoing CEQA evaluation, cultural evaluation and regulatory permitting (CWA §401 and 404: CDFW §1600). Once the CEQA and cultural resource evaluations are complete, and the agency approvals are obtained, the BMPs will be constructed which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1119618 07/11/2023 CAT2 Nickel, Total Daily Maximum limit is 26 ug/L and reported value was 61 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404). Once the agency approvals are obtained, DPR will begin the bidding process for construction to take place in 2024. Once the BMPs are constructed, the constituent concentrations in the effluent will be reduced, pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1119616 07/11/2023 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 61 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404). Once the agency approvals are obtained, DPR will begin the bidding process for construction to take place in 2024. Once the BMPs are constructed, the constituent concentrations in the effluent will be reduced, pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1119615 07/11/2023 Surface Water Temperature difference limit from RSW-001 to RSW-002 is 5 degrees F. Reported value difference is 5.51 Degrees F. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404). Once the agency approvals are obtained, DPR will begin the bidding process for construction to take place in 2024. Once the BMPs are constructed, the constituent concentrations in the effluent will be reduced, pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1118873 06/07/2023 CAT2 Copper, Total Monthly Average limit is 1.3 ug/L and reported value was 2.1 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404) and contractor bidding has been completed. Once the agency approvals are obtained and DPR approves the contractor, the BMPs will be constructed, which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1118879 06/07/2023 CAT2 Nickel, Total Daily Maximum limit is 26 ug/L and reported value was 39 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404) and contractor bidding has been completed. Once the agency approvals are obtained and DPR approves the contractor, the BMPs will be constructed, which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1118878 06/07/2023 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 39 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404) and contractor bidding has been completed. Once the agency approvals are obtained and DPR approves the contractor, the BMPs will be constructed, which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1118882 06/07/2023 Surface Water Turbidity shall not increase more than 1 NTU where natural turbidity is between 1 and 5 NTUs. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404) and contractor bidding has been completed. Once the agency approvals are obtained and DPR approves the contractor, the BMPs will be constructed, which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation U eSMR
1123426 05/31/2023 DMON Per SMR cover letter: "Dissolved Organic Carbon (DOC) at EFF-001 has been omitted from this May SMR due to a field sampling error. The DOC sample was field-filtered using a 5.0-micron filter instead of the required 0.45-micron filter, as specified by the analytical method. The EFF-001 DOC result of 2.7 mg/L included in the laboratory report is not representative of the true dissolved concentration." The lack of a valid sample result is a violation. Violation B Report
1118236 05/17/2023 CAT2 Copper, Total Daily Maximum limit is 3.9 ug/L and reported value was 8.0 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404) and contractor bidding has been completed. Once the agency approvals are obtained and DPR approves the contractor, the BMPs will be constructed, which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1118231 05/17/2023 CAT2 Copper, Total Monthly Average limit is 1.3 ug/L and reported value was 8 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404) and contractor bidding has been completed. Once the agency approvals are obtained and DPR approves the contractor, the BMPs will be constructed, which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1118227 05/17/2023 CAT2 Nickel, Total Daily Maximum limit is 26 ug/L and reported value was 41 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404) and contractor bidding has been completed. Once the agency approvals are obtained and DPR approves the contractor, the BMPs will be constructed, which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1118232 05/17/2023 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 41 ug/L at EFF-001. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404) and contractor bidding has been completed. Once the agency approvals are obtained and DPR approves the contractor, the BMPs will be constructed, which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation B eSMR
1118237 05/17/2023 Surface Water Temperature difference limit from RSW-001 to RSW-002 is 5 degrees F. Reported value difference is 5.18 Degrees F. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404) and contractor bidding has been completed. Once the agency approvals are obtained and DPR approves the contractor, the BMPs will be constructed, which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation U eSMR
1118234 05/17/2023 Surface Water Turbidity shall not increase more than 1 NTU where natural turbidity is between 1 and 5 NTUs. An Engineering Evaluation, a BMP Options Assessment/Engineering Evaluation, a BMP Plan and a Confirmation of Finance Resource Commitment were submitted to the Regional Board in accordance with Order No. R5-2022-0002. At the current time, planned BMPs are undergoing regulatory permitting (CWA §404) and contractor bidding has been completed. Once the agency approvals are obtained and DPR approves the contractor, the BMPs will be constructed, which will reduce the constituent concentrations in the effluent pending completion of the final mitigation and/or control alternatives. Violation U eSMR
1117180 04/11/2023 CAT2 Copper, Total Monthly Average limit is 1.3 ug/L and reported value was 3 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1117179 04/11/2023 CAT2 Nickel, Total Monthly Average limit is 14 ug/L and reported value was 25 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1117182 04/11/2023 Surface Water Temperature difference limit from RSW-001 to RSW-002 is 5 degrees F. Reported value difference is 5.868 Degrees F. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1117176 04/11/2023 Surface Water Turbidity shall not increase more than 1 NTU where natural turbidity is between 1 and 5 NTUs. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1116219 03/22/2023 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 22 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1116212 03/22/2023 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 22 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1116216 03/22/2023 CAT2 Mercury, Total Recoverable Monthly Average limit is 0.05 ug/L and reported value was 0.071 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1116213 03/22/2023 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 41 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1116218 03/22/2023 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 41 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1116217 03/22/2023 Surface Water The turbidity at the downstream location (RSW-002) increased more than 1 NTU, while the turbidity at the upstream location (RSW-001) was between 1 and 5 NTUs. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1115115 02/21/2023 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 4.0 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1115114 02/21/2023 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 4.0 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1115117 02/21/2023 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 50 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1115119 02/21/2023 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 50 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1115116 02/21/2023 Surface Water The turbidity at the downstream location (RSW-002) increased more than 1 NTU, while the turbidity at the upstream location (RSW-001) was between 1 and 5 NTUs. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1113643 01/24/2023 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 2.5 ug/L and reported value was 3.9 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1113646 01/24/2023 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 3.9 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1113645 01/24/2023 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 31 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1113644 01/24/2023 CAT2 Nickel, Total Recoverable Monthly Average (Mean) limit is 8.6 ug/L and reported value was 31 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1113648 01/24/2023 Surface Water The turbidity at the downstream location (RSW-002) increased more than 1 NTU, while the turbidity at the upstream location (RSW-001) was between 1 and 5 NTUs. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Pan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation, and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1112758 12/12/2022 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 2.5 ug/L and reported value was 35 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1112762 12/12/2022 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 35 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1112765 12/12/2022 CAT2 Mercury, Total Recoverable Monthly Average limit is 0.05 ug/L and reported value was 0.076 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1112764 12/12/2022 CAT2 Nickel, Total Recoverable Maximum Daily (MDEL) limit is 19 ug/L and reported value was 54 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1112759 12/12/2022 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 54 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1112760 12/12/2022 Surface Water The turbidity at the downstream location (RSW-002) increased more than 1 NTU, while the turbidity at the upstream location (RSW-001) was between 1 and 5 NTUs An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting, and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1118537 11/09/2022 CAT2 Nickel, Total Maximum Daily (MDEL) limit is 19 ug/L and reported value was 48 ug/L at EFF-001. Violation B Report
1111450 11/09/2022 Surface Water The turbidity at the downstream location (RSW-002) was greater than 2 NTU, while the turbidity at the upstream location (RSW-001) was less than 1 NTU. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting, and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1111456 11/02/2022 CAT2 Copper, Total Recoverable Monthly Average limit is .92 ug/L and reported value was 2.3 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1111455 11/02/2022 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 56 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1111451 11/02/2022 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 52 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting, and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1111128 11/01/2022 Order Conditions According to MRP Provision I.D of the WDRs, in part states, “All flow measurement devices shall be calibrated at least once per year to ensure continued accuracy of the devices.” The Discharger has two continuous flow monitoring devices located at the receiving water monitoring locations RSW-001 and RSW-002. Based on the calibration records, both meters were last calibrated on 21 April 2021. The Discharger failed to calibrate the flow measuring devices as required. This is a violation of MRP Provision I.D. Violation B Inspection
1109665 09/20/2022 DMON Flow data was not collected at the upstream (RSW-001) monitoring location from September 1 to 13, 2022 due to reduced water levels in Humbug Creek. The data logger that monitors level surface elevation was located in a section of the channel that was no longer submerged. A field team mobilized to the Site on September 14, 2022 and installed a new data logger and staff gauge in a deeper part fo the channel that will remain submerged throughout the year. Violation B eSMR
1109668 09/20/2022 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 1.1 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting, and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1109664 09/20/2022 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 30 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting, and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1109667 09/20/2022 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 30 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting, and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1109669 09/20/2022 Surface Water Dissolved Oxygen Instantaneous Minimum limit is 7 mg/L and reported value was 6.34 mg/L at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting, and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1107633 07/14/2022 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 24 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting, and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1107631 07/14/2022 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 24 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting, and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1107636 07/14/2022 Surface Water The turbidity at the downstream location (RSW-002) was greater than 2 NTU, while the turbidity at the upstream location (RSW-001) was less than 1 NTU. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQC's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2023 and is currently undergoing CEQA evaluation and regulatory permitting, and is pending SHPO concurrence. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1106650 06/22/2022 OEV Dissolved Oxygen Instantaneous Minimum limit is 7.0 mg/L and reported value was 6.45 mg/L at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQCB's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1106651 06/22/2022 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 51 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQCB's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1106649 06/22/2022 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 51 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQCB's comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1106787 05/27/2022 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.92 ug/L and reported value was 1.2 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQCB¿s comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1105837 05/27/2022 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 38 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQCB¿s comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1105840 05/27/2022 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 38 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQCB¿s comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1105836 05/27/2022 Surface Water Dissolved Oxygen Instantaneous Minimum limit is 7.0 mg/L and reported value was 6.40 mg/L at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQCB¿s comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1104655 04/12/2022 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 2.9 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1104653 04/12/2022 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 2.9 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1104651 04/12/2022 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 52 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1104650 04/12/2022 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 52 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1104654 04/12/2022 Surface Water Turbidity at the downstream location (RSW-002) is greater than 2 NTU, while turbidity at the upstream location (RSW-001) is less than 1 NTU. RSW-001 turbidity was 0.43 NTU and RSW-002 turbidity was 3.97 NTU. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1105261 03/15/2022 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 13 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1105260 03/15/2022 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 13 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1103446 03/15/2022 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 51 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1103447 03/15/2022 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 51 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1103445 03/15/2022 Surface Water Turbidity Delta from Background limit is greater than 1 NTU, when the background limit is between 1 and 5 NTU. The turbidity at the upstream location (RSW-001) was 2.5 NTU, while the turbidity at the receiving water location (RSW-002) was 156 NTU. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1103449 03/01/2022 Deficient Reporting Flow measurements were not recorded from 3/1 to 3/8/2022 due to an equipment malfunction. The datalogger was reprogrammed on 3/9. The dataloggers are checked as often as possible at this remote site and are maintained regularly. Violation B eSMR
1102684 02/21/2022 DMON Flow Daily Average (Mean) limit is 0 cfs and reported value was 0 cfs at RSW-001. On-site dataloggers are checked as often as possible at this remote site and are maintained regularly. Violation B eSMR
1102682 02/21/2022 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 3.7 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1102678 02/21/2022 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 3.7 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1102680 02/21/2022 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 57 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1102683 02/21/2022 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 57 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1102676 02/21/2022 Surface Water Turbidity Delta from Background limit is 2 NTU and reported value was 4.42 NTU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1102681 02/21/2022 Surface Water pH Instantaneous Minimum limit is 6.5 SU and reported value was 5.50 SU at RSW-001. The low pH value is from upstream. Violation B eSMR
1101507 01/27/2022 DMON Flow Not Limited limit is 0 MGD and reported value was 0 MGD at RSW-001. On-site dataloggers are checked as often as possible at this remote site and are maintained regularly. Violation B eSMR
1101501 01/26/2022 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 3.7 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1101506 01/26/2022 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 3.7 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1101504 01/26/2022 CAT2 Nickel, Total Recoverable Maximum Daily (MDEL) limit is 19 ug/L and reported value was 50 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1101503 01/26/2022 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 50 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1101500 01/26/2022 Surface Water Turbidity Delta from Background limit is 2.0 NTU and reported value was 6.26 NTU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation B eSMR
1099905 12/16/2021 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 51 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation was completed in December 2021. Violation B eSMR
1099907 12/16/2021 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.92 ug/L and reported value was 51 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation was completed in December 2021. Violation B eSMR
1099909 12/16/2021 CAT2 Mercury, Total Recoverable Daily Maximum limit is 0.14 ug/L and reported value was 0.58 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation was completed in December 2021. Violation B eSMR
1099911 12/16/2021 CAT2 Mercury, Total Recoverable Monthly Average (Mean) limit is 0.05 ug/L and reported value was 0.58 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation was completed in December 2021. Violation B eSMR
1099908 12/16/2021 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 66 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation was completed in December 2021. Violation B eSMR
1099906 12/16/2021 CAT2 Nickel, Total Recoverable Monthly Average (Mean) limit is 8.6 ug/L and reported value was 66 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation was completed in December 2021. Violation B eSMR
1099904 12/16/2021 Surface Water Turbidity Delta from Background limit is 1 NTU and reported value was 939.15 NTU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation was completed in December 2021. Violation B eSMR
1099910 12/16/2021 Surface Water pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.38 SU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation was completed in December 2021. Violation B eSMR
1098618 11/29/2021 DMON Flow 1-Hour Average (Mean) limit is 0 cfs and reported value was 0 cfs at RSW-002. Equipment is properly set up and maintained and checked monthly. Maintenance visits to the remote site are conducted as quickly and frequently as possible. However, not all equipment failures can be detected between site visits. Violation B eSMR
1098619 11/29/2021 CAT1 Manganese, Total Recoverable Monthly Average (Mean) limit is 87 ug/L and reported value was 930 ug/L at EFF-001. *** Dismissed:The discharge has interim effluent limitation which will end in 30 September 2027. The interim effluent limitation is 5000 ug/L for weekly average and 2000 for the monthly average effluent limitation. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2022. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation was completed in December 2021. Violation B eSMR
1098621 11/29/2021 CAT1 Manganese, Total Recoverable Weekly Average (Mean) limit is 200 ug/L and reported value was 930 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2022. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation was completed in December 2021. Violation U eSMR
1107240 11/29/2021 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.92 ug/L and reported value was 3.7 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted and DPR has responded to the RWQCB¿s comments. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction was planned for the summer of 2022 but is contingent upon completion of CEQA, receiving SHPO concurrence and regulatory permits. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. Violation U eSMR
1098622 11/29/2021 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 74 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2022. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation was completed in December 2021. Violation B eSMR
1098620 11/29/2021 CAT2 Nickel, Total Recoverable Monthly Average (Mean) limit is 8.6 ug/L and reported value was 74 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2022. A Financial Commitment Letter was submitted to the Executive Officer. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation was completed in December 2021. Violation B eSMR
1097357 10/26/2021 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 18 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2022. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation will be completed in December 2021. Violation B eSMR
1097349 10/26/2021 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 18 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2022. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation will be completed in December 2021. Violation B eSMR
1097351 10/26/2021 CAT2 Mercury, Total Recoverable Monthly Average limit is 0.05 ug/L and reported value was 0.072 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2022. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation will be completed in December 2021. Violation B eSMR
1097358 10/26/2021 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 56 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2022. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation will be completed in December 2021. Violation B eSMR
1097353 10/26/2021 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 56 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2022. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation will be completed in December 2021. Violation B eSMR
1097354 10/26/2021 Surface Water Turbidity Instantaneous Maximum limit is 2.0 NTU and reported value was 63.3 NTU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2022. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation will be completed in December 2021. Violation B eSMR
1097356 10/26/2021 Surface Water pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.02 SU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. A BMP Plan (100% Design Document) was submitted which is awaiting Regional Board approval. Planned BMPs are currently undergoing CEQA evaluation, cultural evaluation and permitting. BMP construction is planned for the summer of 2022. Following BMP implementation, an evaluation of mitigation and control measures will determine the final corrective actions to be implemented. The NBT/Shaft 5 Investigation will be completed in December 2021. Violation B eSMR
1091489 05/13/2021 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.92 ug/L and reported value was 1.2 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1091493 05/13/2021 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 52 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1091492 05/13/2021 CAT2 Nickel, Total Recoverable Monthly Average (Mean) limit is 8.6 ug/L and reported value was 52 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1091496 05/13/2021 Surface Water Dissolved Oxygen Instantaneous Minimum limit is 7.0 mg/L and reported value was 6.5 mg/L at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1091495 05/13/2021 Surface Water pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.3 SU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1090115 04/22/2021 CAT2 Copper, Total Daily Maximum limit is 2.5 ug/L and reported value was 3.8 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1090118 04/22/2021 CAT2 Copper, Total Monthly Average limit is 0.92 ug/L and reported value was 3.8 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1090123 04/22/2021 CAT2 Nickel, Total Daily Maximum limit is 19 ug/L and reported value was 47 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1090116 04/22/2021 CAT2 Nickel, Total Monthly Average limit is 8.6 ug/L and reported value was 47 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1090121 04/22/2021 Surface Water pH Instantaneous Minimum limit is 6.5 SU and reported value was 5.76 SU at RSW-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1090117 04/22/2021 Surface Water pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.34 SU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1089651 03/18/2021 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 3.3 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1089656 03/18/2021 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 3.3 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1089653 03/18/2021 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 32 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1089658 03/18/2021 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 32 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1089655 03/18/2021 Surface Water Turbidity Percent Increase limit is 2.1 NTU and reported value was 15.5 NTU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1088085 02/12/2021 Order Conditions Turbidity Percent Increase limit is 10.08 NTU and reported value was 113.3 NTU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1088084 02/12/2021 CAT1 Manganese, Total Recoverable Monthly Average (Mean) limit is 87 ug/L and reported value was 190 ug/L at EFF-001. *** MMP Exempt Reason:The WDRs prescribed an interim effluent limitation of 2000 ug/L as Monthly Average, See WDRs Provision IV.A.2.a. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1088088 02/12/2021 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 21 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1088086 02/12/2021 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.92 ug/L and reported value was 21 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1088089 02/12/2021 CAT2 Mercury, Total Recoverable Monthly Average limit is 0.05 ug/L and reported value was 0.084 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1088090 02/12/2021 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 38 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1088087 02/12/2021 CAT2 Nickel, Total Recoverable Monthly Average (Mean) limit is 8.6 ug/L and reported value was 38 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1086896 01/13/2021 Order Conditions Dissolved Oxygen Instantaneous Minimum limit is 7.0 mg/L and reported value was 6.83 mg/L at RSW-001. Dissolved Oxygen at the EFF-001 discharge location was above 7 mg/L and was 8.02 mg/L at the RSW-002 downstream location. Therefore, the Dissolved Oxygen concentration at RSW-001 was a result of upstream conditions. Violation B eSMR
1086892 01/13/2021 Order Conditions Turbidity Percent Increase limit is 0 NTU and reported value was 11.3 NTU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1086893 01/13/2021 CAT1 Manganese, Total Recoverable Monthly Average limit is 87 ug/L and reported value was 600 ug/L at EFF-001. *** MMP Exempt Reason:The WDRs prescribed an interim effluent limitation of 2000 ug/L as Monthly Average, See WDRs Provision IV.A.2.a. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1086894 01/13/2021 CAT1 Manganese, Total Recoverable Weekly Average limit is 200 ug/L and reported value was 600 ug/L at EFF-001. *** MMP Exempt Reason:The WDRs prescribed an interim effluent limitation of 5000 ug/L as Weekly Average, See WDRs Provision IV.A.2.a. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1086890 01/13/2021 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 2.5 ug/L and reported value was 3.8 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1086889 01/13/2021 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 3.8 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1086891 01/13/2021 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 65 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1086895 01/13/2021 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 65 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1085196 12/17/2020 Order Conditions Turbidity Percent Increase limit is 0 NTU and reported value was 2000 NTU at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1085195 12/17/2020 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.35 SU at EFF-001. *** MMP Exempt Reason:The WDRs prescribed an interim effluent limitation for pH as 5.4-9.8 S.U, See the WDRs Provision IV.A.2.a. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1085204 12/17/2020 CAT1 Manganese, Total Recoverable Monthly Average limit is 87 ug/L and reported value was 430 ug/L at EFF-001. *** MMP Exempt Reason:The WDRs prescribed an interim effluent limitation for Manganese as 2000 ug/L as monthly average, See the WDRs Provision IV.A.2.a. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1085205 12/17/2020 CAT1 Manganese, Total Recoverable Weekly Average limit is 200 ug/L and reported value was 430 ug/L at EFF-001. *** MMP Exempt Reason:The WDRs prescribed an interim effluent limitation for Manganese as 5000 ug/L as Weekly average, See the WDRs Provision IV.A.2.a. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1085202 12/17/2020 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 44 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1085201 12/17/2020 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 44 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1085199 12/17/2020 CAT2 Mercury, Total Recoverable Daily Maximum limit is 0.14 ug/L and reported value was 0.200 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1085200 12/17/2020 CAT2 Mercury, Total Recoverable Monthly Average limit is 0.05 ug/L and reported value was 0.200 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1085198 12/17/2020 CAT2 Nickel, Total Recoverable Maximum Daily (MDEL) limit is 19 ug/L and reported value was 68 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1085197 12/17/2020 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 68 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1088535 11/30/2020 CAT2 Nickel, Total Recoverable Monthly Average limit is 190 ug/L and reported value was 200 ug/L. *** MMP Exempt Reason:This violation is for exceeding TSO limitation; therefore, not subject to MMP . An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1083429 11/18/2020 Deficient Reporting Flow 1-Hour Average (Mean) limit is 0 cfs and reported value was 0 cfs at RSW-002. The datalogger was fixed and a second datalogger was purchased and added at this location to serve as a backup. Violation B eSMR
1083434 11/18/2020 Order Conditions Turbidity Percent Increase limit is 29.88 NTU and reported value was 285.3 NTU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1083438 11/18/2020 ATOX Acute Toxicity-Rainbow Trout-survival Other limit is 100 % survival and reported value was 45 % survival at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1083440 11/18/2020 CAT1 Manganese, Total Recoverable Monthly Average (Mean) limit is 87 ug/L and reported value was 920 ug/L at EFF-001. *** MMP Exempt Reason:The WDRs prescribed an interim effluent limitation for Manganese as 2000 ug/L as monthly average, See the WDRs Provision IV.A.2.a. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1083437 11/18/2020 CAT1 Manganese, Total Recoverable Weekly Average (Mean) limit is 200 ug/L and reported value was 920 ug/L at EFF-001. *** MMP Exempt Reason:The WDRs prescribed an interim effluent limitation for Manganese as 5000 ug/L as Weekly average, See the WDRs Provision IV.A.2.a. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1083430 11/18/2020 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 95 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1083431 11/18/2020 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.92 ug/L and reported value was 95 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1083433 11/18/2020 CAT2 Mercury, Total Recoverable Daily Maximum limit is 0.14 ug/L and reported value was 0.35 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1083432 11/18/2020 CAT2 Mercury, Total Recoverable Monthly Average (Mean) limit is 0.05 ug/L and reported value was 0.35 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1083436 11/18/2020 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 200 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1083435 11/18/2020 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 200 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. The NBT/Shaft 5 Investigation is underway. BMPs are currently undergoing geotechnical evaluation, engineering design, CEQA evaluation and permitting. A BMP Plan will then be submitted, followed by BMP construction. An evaluation of mitigation and control measures will then determine the final corrective actions to be implemented. Violation B eSMR
1078991 07/20/2020 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 55 ug/L at EFF-001. An Engineering Evaluation of the site has been completed, and a BMP Options Assessment Report was submitted. Following Regional Board approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1078988 07/20/2020 CAT2 Nickel, Total Recoverable Monthly Average (Mean) limit is 8.6 ug/L and reported value was 55 ug/L at EFF-001. An Engineering Evaluation of the site has been completed, and a BMP Options Assessment Report was submitted. Following Regional Board approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1077546 06/17/2020 Order Conditions Turbidity Delta from Background limit is 1.00 NTU and reported value was 1.29 NTU at RSW-002. An Engineering Evaluation and a BMP Options Assessment were completed. Following Regional Board approval of the BMP Options Assessment report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1077547 06/17/2020 CAT2 Nickel, Total Recoverable Maximum Daily (MDEL) limit is 19 ug/L and reported value was 31 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. Following Regional Board approval of the BMP Options Assessment report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1077550 06/17/2020 CAT2 Nickel, Total Recoverable Monthly Average (Mean) limit is 8.6 ug/L and reported value was 31 ug/L at EFF-001. An Engineering Evaluation and a BMP Options Assessment were completed. Following Regional Board approval of the BMP Options Assessment report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1076199 05/29/2020 DMON Flow Daily Average (Mean) limit is 0 cfs and reported value was 0 cfs at RSW-002. The Discharger failed to report downstream flow data on 5/29,5/30, and 5/31. Sediment and gravel was removed from probe cover and equipment was reset. Violation B eSMR
1076200 05/19/2020 Order Conditions Turbidity Delta from Background limit is 1 NTU and reported value was 997 NTU at RSW-002. An Engineering Evaluation of the site has been completed, and a BMP Options Assessment Report was submitted. Following Regional Board approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1076197 05/19/2020 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 3.3 ug/L at EFF-001. An Engineering Evaluation of the site has been completed, and a BMP Options Assessment Report was submitted. Following Regional Board approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1076191 05/19/2020 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.92 ug/L and reported value was 3.3 ug/L at EFF-001. An Engineering Evaluation of the site has been completed, and a BMP Options Assessment Report was submitted. Following Regional Board approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1076195 05/19/2020 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 28 ug/L at EFF-001. An Engineering Evaluation of the site has been completed, and a BMP Options Assessment Report was submitted. Following Regional Board approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1076192 05/19/2020 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 28 ug/L at EFF-001. An Engineering Evaluation of the site has been completed, and a BMP Options Assessment Report was submitted. Following Regional Board approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1076196 05/19/2020 Surface Water pH Instantaneous Minimum limit is 6.5 SU and reported value was 5.37 SU at RSW-002. An Engineering Evaluation of the site has been completed, and a BMP Options Assessment Report was submitted. Following Regional Board approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1075158 04/16/2020 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.92 ug/L and reported value was 2.2 ug/L at EFF-001. An Engineering Evaluation of the site has been completed, and a BMP Options Assessment Report was submitted. Following Regional Board approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1075157 04/16/2020 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 35 ug/L at EFF-001. An Engineering Evaluation of the site has been completed, and a BMP Options Assessment Report was submitted. Following Regional Board approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1075159 04/16/2020 CAT2 Nickel, Total Recoverable Monthly Average (Mean) limit is 8.6 ug/L and reported value was 35 ug/L at EFF-001. An Engineering Evaluation of the site has been completed, and a BMP Options Assessment Report was submitted. Following Regional Board approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1075156 04/16/2020 Surface Water Turbidity Delta from Background limit is 1 NTU and reported value was 16.5 NTU at RSW-002. An Engineering Evaluation of the site has been completed, and a BMP Options Assessment Report was submitted. Following Regional Board approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1073423 03/30/2020 CAT2 Copper, Total Recoverable Daily Maximum limit is 2.5 ug/L and reported value was 4.6 ug/L at EFF-001. Site evaluation is ongoing. An Engineering Evaluation has been completed, a BMP Options Assessment has been completed and a BMP Options Assessment Report was submitted as required in Order No. R5-2017-0086. Following approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1073422 03/30/2020 CAT2 Copper, Total Recoverable Monthly Average limit is 0.92 ug/L and reported value was 4.6 ug/L at EFF-001. Site evaluation is ongoing. An Engineering Evaluation has been completed, a BMP Options Assessment has been completed and a BMP Options Assessment Report was submitted as required in Order No. R5-2017-0086. Following approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1073419 03/30/2020 CAT2 Nickel, Total Recoverable Daily Maximum limit is 19 ug/L and reported value was 32 ug/L at EFF-001. Site evaluation is ongoing. An Engineering Evaluation has been completed, a BMP Options Assessment has been completed and a BMP Options Assessment Report was submitted as required in Order No. R5-2017-0086. Following approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1073418 03/30/2020 CAT2 Nickel, Total Recoverable Monthly Average limit is 8.6 ug/L and reported value was 32 ug/L at EFF-001. Site evaluation is ongoing. An Engineering Evaluation has been completed, a BMP Options Assessment has been completed and a BMP Options Assessment Report was submitted as required in Order No. R5-2017-0086. Following approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
1073424 03/30/2020 Surface Water Turbidity Delta from Background limit is 1 NTU and reported value was 39 NTU at RSW-002. Site evaluation is ongoing. An Engineering Evaluation has been completed, a BMP Options Assessment has been completed and a BMP Options Assessment Report was submitted as required in Order No. R5-2017-0086. Following approval of this report, a BMP Plan will be submitted and BMP construction will be completed. An evaluation of mitigation and control measures will then determine the corrective actions to be implemented. Violation B eSMR
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 263 Priority Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.
Violation Types
ATOX = Acute Toxicity CAT1 = Category 1 Pollutant (Effluent Violation for Group 1 Pollutant)
CAT2 = Category 2 Pollutant (Effluent Violation for Group 2 Pollutant) DMON = Deficient Monitoring
Deficient Reporting = Deficient Reporting Order Conditions = Order Conditions
OEV = Other Effluent Violation Surface Water = Surface Water
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
459241 Notice of Violation null 11/22/2024 Historical
458429 Notice of Violation null 09/13/2024 Historical
453545 Notice of Violation null 07/19/2023 Historical
450441 Notice of Violation null 12/09/2022 Historical
450294 Notice of Violation null 11/28/2022 Historical
448984 Notice of Violation null 07/22/2022 Historical
448656 Notice of Violation null 07/22/2022 Historical
443870 Admin Civil Liability R5-2021-0514 09/10/2021 Historical
444462 Notice of Violation null 08/02/2021 Historical
445377 Notice of Violation null 04/16/2021 Historical
440604 Notice of Violation null 09/28/2020 Historical
440605 Notice of Violation null 04/30/2020 Historical
434995 Notice of Violation null 10/17/2019 Historical
429366 Notice of Violation null 03/06/2019 Historical
428381 Notice of Violation null 01/16/2019 Historical
425089 Notice of Violation 08/24/2018 Historical
422380 Notice of Violation 06/28/2018 Historical
420711 Notice of Violation 04/04/2018 Historical
415977 Time Schedule Order R5-2017-0087-02 08/11/2017 Active
Total Enf Actions: 19
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
49843856 B Type compliance inspection Mohammad Farhad 11/01/2022 N 1 Download
36326358 B Type compliance inspection Ayda Soltani 05/08/2019 Y 0 Download
320955 Prerequirement inspection Jim Eckman 04/06/1994 Y 0 N/A
Total Inspections: 3 Last Inspection: 11/01/2022
  
The current report was generated with data as of: 02/28/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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