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California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
619422 Kerry O?Connor None kerry.oconnor@waterboards.ca.gov
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
Total Related Places: 0
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
137758 San Francisco Bay Regional Water Quality Control Board Organization Employee 10/22/2020 None Waterboard
Total Related Parties: 1
  
  
  
  
Expand/Contract Regulatory Measures
Regulatory Measures (non-enforcement)
Reg. Measure ID Regulatory Measure Type Region WDID Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Amended?
Total Regulatory Measures: 0
  
  
  
  
Expand/Contract Violations
Violations within the past five years
Violation ID Occurrence Date Violation Type Violation Description(+) Violation Status Priority Source Facility Name Violated Reg. Meas. ID Violated Reg. Meas. Order No. Linked to Enf.
1093623 07/12/2021 Deficient Monitoring Chronic Toxicity - C.dubia - Reproduction Single Sample Trigger Maximum limit is Violation N eSMR Sonoma Valley County SD WWTP 432957 R2-2019-0019 N
1099811 12/11/2021 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 20 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099829 12/31/2021 CAT2 Copper, Total Monthly Average limit is 8.3 ug/L and reported value was 44 ug/L a Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099832 12/19/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 36 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099836 01/01/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 25 m Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1108774 08/20/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1108778 08/06/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1108781 08/31/2022 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1109731 09/03/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1113329 12/31/2022 CAT1 BOD5 @ 20 Deg. C, Percent Removal Percent Reduction limit is 85 % and reported v Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114699 01/31/2023 CAT1 Total Suspended Solids (TSS), Percent Removal Monthly Average (Mean) limit is 85 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1114701 01/07/2023 CAT2 Copper, Total Daily Maximum limit is 14 ug/L and reported value was 25 ug/L at E Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1115038 02/28/2023 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 85 % an Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1115043 02/18/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1115045 02/28/2023 CAT1 BOD5 @ 20 Deg. C, Percent Removal Percent Reduction limit is 85 % and reported v Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1115063 02/01/2023 Deficient Monitoring The analysis results for the BOD samples collected on February 1st and 2nd are i Violation N eSMR Delta Diablo WWTP 435913 R2-2019-0035 N
1116361 03/31/2023 CAT1 BOD5 @ 20 Deg. C, Percent Removal Percent Reduction limit is 85 % and reported v Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118251 05/20/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1119670 07/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1120693 03/19/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120702 03/21/2023 OEV Total Coliform Daily Maximum limit is 23 MPN/100 mL and reported value was 220 M Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120712 03/01/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120728 03/13/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 160 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120731 03/16/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 160 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120753 03/09/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120761 03/21/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1121422 09/30/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1123409 12/23/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1139432 12/19/2024 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1141775 02/09/2025 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1141776 02/09/2025 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 79 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1095606 09/11/2021 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1099815 12/24/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 50 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099820 12/27/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 65 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099828 12/31/2021 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 15.0 mg/L and reported val Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099833 12/21/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 40 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1102668 02/28/2022 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1108773 08/31/2022 OEV Total Coliform Monthly Median limit is 240 MPN/100 mL and reported value was 920 Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1108780 08/27/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1109736 09/24/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114144 01/31/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Percent Reduction limit is 8 Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114696 01/05/2023 CAT2 Copper, Total Daily Maximum limit is 14 ug/L and reported value was 17 ug/L at E Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1115040 02/11/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1117283 04/15/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118250 05/13/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118254 05/27/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1119672 07/29/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1120707 03/26/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 130 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120708 03/27/2023 OEV Total Coliform 5-Sample Median limit is 23.0 MPN/100 mL and reported value was 2 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120713 03/07/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120733 03/18/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120735 03/18/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120740 03/21/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 20 mg/L and reported Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120748 03/06/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1123410 12/09/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 m Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1124658 01/27/2024 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 20 mg/L and reported Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1124670 01/31/2024 CAT2 Copper, Total Recoverable Monthly Average limit is 8.3 ug/L and reported value w Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1125341 02/22/2024 CAT1 Ammonia, Total (as N) Maximum Daily (MDEL) limit is 16 mg/L and reported value w Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1125345 02/29/2024 CAT1 Ammonia, Total (as N) Monthly Average limit is 7.8 mg/L and reported value was 1 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1126520 03/31/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 15 mg/L and reported value Violation N eSMR Mt. View Sanitary District WWTP 446024 R2-2021-0026 N
1126562 03/30/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 20 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1128180 04/06/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 20 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1141771 02/08/2025 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 20 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1142636 03/31/2025 CAT2 Copper, Total Monthly Average (Mean) limit is 8.3 ug/L and reported value was 9. Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1143731 04/08/2025 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.1 SU at EFF-00 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1144235 05/03/2025 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 20 mg/L and reported Violation N eSMR Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1094436 08/03/2021 Deficient Monitoring For Chronic Toxicity: C.dubia - (Reproduction) Single Sample Trigger Maximum lim Violation N eSMR Sonoma Valley County SD WWTP 432957 R2-2019-0019 N
1095955 09/13/2021 Deficient Monitoring For Chronic Toxicity: C. dubia - Three-Sample Median Trigger Maximum limit is 1 Violation N eSMR Sonoma Valley County SD WWTP 432957 R2-2019-0019 N
1098609 11/30/2021 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 15 mg/L and reporte Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1098613 11/30/2021 CAT2 Copper, Total Recoverable Monthly Average limit is 8.3 ug/L and reported value w Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099818 12/17/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 25 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099819 12/20/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 41 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1101090 01/31/2022 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1101418 01/13/2022 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 34 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1101424 01/14/2022 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 32 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1102671 02/12/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1102838 02/28/2022 CAT2 Copper, Total Recoverable Monthly Average limit is 8.3 ug/L and reported value w Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1108777 08/31/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1112960 11/05/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114137 01/21/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45.0 mg/L and report Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114141 01/28/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114142 01/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114143 01/31/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114145 01/31/2023 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 85 % an Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114694 01/06/2023 CAT2 Copper, Total Daily Maximum limit is 14 ug/L and reported value was 15 ug/L at E Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1114703 01/07/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1115037 02/28/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1115039 02/04/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1115041 02/28/2023 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1115042 02/25/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1117280 04/08/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1117285 04/01/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1117286 04/30/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1117289 04/01/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118249 05/31/2023 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 85 % an Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118255 05/31/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118994 06/30/2023 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 85 % an Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118995 06/30/2023 CAT1 BOD5 @ 20 Deg. C, Percent Removal Percent Reduction limit is 85 % and reported v Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1120694 03/20/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 220 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120703 03/22/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 220 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120720 03/06/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.7 SU at EFF-00 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120722 03/09/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.6 SU at EFF-00 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120734 03/31/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120742 03/31/2023 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 85 % an Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120745 03/11/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120752 03/08/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.7 SU at EFF-00 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120759 03/15/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1123407 12/16/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 m Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1123412 12/23/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 m Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1123414 12/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1124659 01/31/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1124668 01/31/2024 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 110 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1125324 02/20/2024 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 350 Violation N eSMR Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1125338 02/01/2024 OEV Total Coliform Maximum Daily (MDEL) limit is 240 MPN/100 mL and reported value w Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1126561 03/16/2024 OEV Total Coliform Maximum Daily (MDEL) limit is 240 MPN/100 mL and reported value w Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1128186 04/15/2024 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 33 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1128189 04/10/2024 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1128192 04/10/2024 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 49 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1138184 11/23/2024 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 280 Violation N eSMR Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1138301 11/30/2024 CAT2 Copper, Total Recoverable 1-Hour Average (Mean) limit is 8.3 ug/L and reported v Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1141778 02/11/2025 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 79 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1142163 02/28/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1142165 02/01/2025 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1143656 04/29/2025 CAT2 Chlorine, Total Residual 1-Hour Average (Mean) limit is 1.8 mg/L and reported va Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1143732 04/05/2025 OEV Total Coliform Maximum Daily (MDEL) limit is 240 MPN/100 mL and reported value w Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1147886 08/19/2025 OEV Enterococci Not to exceed a specific limit in more than 10% of samples within an Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1095954 09/30/2021 CAT2 Zinc, Total Monthly Average limit is 58 ug/L and reported value was 59.3 ug/L at Violation N eSMR Sonoma Valley County SD WWTP 432957 R2-2019-0019 N
1098612 11/20/2021 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 20 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099825 12/26/2021 CAT2 Copper, Total Daily Maximum limit is 14 ug/L and reported value was 50 ug/L at E Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099835 12/23/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 43 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1100905 10/25/2021 OEV Enterococci 30-Day Geometric Mean limit is 35 CFU/100 mL and reported value was Violation N eSMR Sausalito Marin City STP 422035 R2-2018-0025 N
1101421 01/12/2022 OEV Total Coliform Maximum Daily (MDEL) limit is 240 MPN/100 mL and reported value w Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1101425 01/31/2022 CAT2 Copper, Total Monthly Average (Mean) limit is 8.3 ug/L and reported value was 35 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1104449 10/24/2021 Deficient Monitoring Operators did not perform the full range of sampling required at EFF-001S, as sp Violation N eSMR Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1108771 08/31/2022 CAT2 Copper, Total Monthly Average (Mean) limit is 41 ug/L and reported value was 63 Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1108775 08/27/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1109732 09/17/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1110849 10/08/2022 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1110850 10/29/2022 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1112706 12/31/2022 OEV Enterococci Monthly 90th% limit is 110 MPN/100 mL and reported value was 920.8 M Violation N eSMR Mt. View Sanitary District WWTP 446024 R2-2021-0026 N
1113327 12/31/2022 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1113328 12/31/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1113330 12/17/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1113332 12/31/2022 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 85 % an Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1113335 12/10/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114183 01/31/2023 Deficient Monitoring Operators missed pH sampling at EFF-001S on 1/4/2023 and at EFF-001T on 1/12/202 Violation N eSMR Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1114698 01/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 15.0 mg/L and repor Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1116007 03/14/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 33 Violation N eSMR Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1117282 04/30/2023 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 85 % an Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1117284 04/22/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1117288 04/29/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118248 05/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118253 05/13/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118993 06/30/2023 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1119668 07/07/2023 Deficient Reporting The analysis results for BOD samples (INF-001 and EFF-001) collected on July 7th Violation N eSMR Delta Diablo WWTP 435913 R2-2019-0035 N
1120711 03/04/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120714 03/08/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120716 03/01/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.8 SU at EFF-00 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120736 03/25/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120738 03/02/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 20 mg/L and reported Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120741 03/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 15 mg/L and reporte Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120749 03/07/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120754 03/11/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120756 03/13/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1123408 12/31/2023 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 85 % an Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1124666 01/31/2024 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 15 mg/L and reporte Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1124671 01/31/2024 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 7.8 mg/L and reported valu Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1124672 01/13/2024 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 20 mg/L and reported Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1125346 02/01/2024 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 110 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1138299 11/30/2024 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 15 mg/L and reporte Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1138300 11/30/2024 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 20 mg/L and reported Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1139434 12/22/2024 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 920 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1141768 02/17/2025 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1141773 02/28/2025 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 15 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1141779 02/12/2025 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 79 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1142161 02/08/2025 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45.0 mg/L and report Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1142162 02/08/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1142171 01/25/2025 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1147884 08/16/2025 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1147885 08/31/2025 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1148886 09/04/2025 OEV Enterococci Not to exceed a specific limit in more than 10% of samples within an Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1099816 12/14/2021 OEV Total Coliform Maximum Daily (MDEL) limit is 240 MPN/100 mL and reported value w Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099821 12/28/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 61 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099830 12/08/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 27 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1101417 01/11/2022 CAT2 Copper, Total Daily Maximum limit is 14 ug/L and reported value was 39 ug/L at E Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1101420 01/31/2022 Deficient Monitoring E. Coli sampling is required weekly, when discharging to the river. This samplin Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1101422 01/12/2022 CAT2 Copper, Total Daily Maximum limit is 14 ug/L and reported value was 37 ug/L at E Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1102669 02/19/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1102836 02/28/2022 Deficient Monitoring E. Coli sampling is required weekly, when discharging to the river. These analys Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1107627 07/31/2022 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 32 mg/L and reported value Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1109735 09/30/2022 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1109737 09/03/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1112476 12/31/2022 OEV Enterococci Monthly 90th% limit is 110.0 CFU/100 mL and reported value was 784.2 Violation N eSMR Sonoma Valley County SD WWTP 432957 R2-2019-0019 N
1114026 01/04/2023 Deficient Monitoring The analysis results for BOD samples collected on January 4 and 6 were invalid b Violation N eSMR Delta Diablo WWTP 435913 R2-2019-0035 N
1114138 01/07/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1115044 02/25/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1116362 03/25/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1116363 03/11/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1116365 03/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118997 06/10/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1119669 07/29/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1120721 03/07/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.6 SU at EFF-00 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120724 03/03/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120737 03/07/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 20 mg/L and reported Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120746 03/01/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 240 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120750 03/10/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120758 03/14/2023 OEV Total Coliform Daily Maximum limit is 240 mg/L and reported value was 1600 mg/L Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120760 03/16/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1123413 12/31/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 30 Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1125337 02/03/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 25 m Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1125344 02/18/2024 CAT1 Ammonia, Total (as N) Maximum Daily (MDEL) limit is 16 mg/L and reported value w Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1126563 03/23/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 20 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1128178 04/13/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 20 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1128182 04/01/2024 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 33 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1138298 11/30/2024 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 49 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1141774 02/08/2025 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1141777 02/10/2025 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 240 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1142160 02/28/2025 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Removal limit is 85 % and Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1093534 07/14/2021 CAT2 Copper, Total Recoverable Daily Maximum limit is 53 ug/L and reported value was Violation N eSMR Delta Diablo WWTP 435913 R2-2019-0035 N
1098615 11/30/2021 Deficient Monitoring Effluent samples were not analyzed for E.coli this month. E.coli monitoring is a Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1099812 12/31/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 15 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099822 12/29/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 58 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099823 12/25/2021 CAT2 Copper, Total Daily Maximum limit is 14 ug/L and reported value was 47 ug/L at E Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099824 12/18/2021 CAT2 Copper, Total Daily Maximum limit is 14 ug/L and reported value was 35 ug/L at E Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099826 12/31/2021 Deficient Monitoring Effluent E. coli monitoring is required weekly during periods of discharge to th Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1099834 12/22/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 46 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1101091 01/29/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1101261 12/31/2021 Deficient Monitoring Copper sampling is required monthly when discharging to the river, but unfortuna Violation N eSMR Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1101426 01/31/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1102670 02/28/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1102833 02/12/2022 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 25 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1105515 12/31/2021 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1109565 09/12/2022 Deficient Monitoring Samples for BOD & TSS were sent to contract lab for analysis for 09/12, 09/13, & Violation N eSMR Sonoma Valley County SD WWTP 432957 R2-2019-0019 N
1109733 09/30/2022 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 85 % an Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1113331 12/31/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114140 01/28/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1115046 02/04/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1115055 02/28/2023 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 15 mg/L and reporte Violation N eSMR Mt. View Sanitary District WWTP 446024 R2-2021-0026 N
1116005 03/10/2023 OEV E.coli 10 Sample 90th Percentile limit is 320 MPN/100 mL and reported value was Violation N eSMR Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1116366 03/25/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1116367 03/31/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 30 Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118256 05/27/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118257 05/06/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118258 05/06/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118998 06/10/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1120701 03/05/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.7 SU at EFF-00 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120706 03/25/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 130 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120709 03/28/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 220 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120710 03/03/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120717 03/03/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.0 SU at EFF-00 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120739 03/14/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 20 mg/L and reported Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120943 08/05/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1123411 12/31/2023 CAT1 BOD5 @ 20 Deg. C, Percent Removal Percent Reduction limit is 85 % and reported v Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1124665 01/31/2024 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 85 % an Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1124667 01/31/2024 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1126564 03/20/2024 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 49 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1126567 03/31/2024 CAT1 Ammonia, Total (as N) Monthly Average limit is 7.8 mg/L and reported value was 8 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1128185 04/14/2024 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 130 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1093533 07/31/2021 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 35 ug/L and reported v Violation N eSMR Delta Diablo WWTP 435913 R2-2019-0035 N
1098614 11/17/2021 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 14 ug/L and reported val Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099813 12/30/2021 CAT2 Chlorine, Total Residual Maximum Daily (MDEL) limit is 0.0 mg/L and reported val Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099814 12/18/2021 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 20 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099817 12/30/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 59 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099827 01/01/2022 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 20 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1099831 12/16/2021 CAT2 Copper, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 19 ug Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1101419 01/31/2022 CAT2 Cyanide, Total (as CN) Monthly Average (Mean) limit is 9.3 ug/L and reported val Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1102831 02/08/2022 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1104602 04/30/2022 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1105516 12/18/2021 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1106903 02/08/2022 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 920 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1108782 08/31/2022 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 85 % an Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1110851 10/31/2022 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1113334 12/03/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114139 01/14/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114697 01/31/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1114700 01/08/2023 CAT2 Copper, Total Daily Maximum limit is 14 ug/L and reported value was 16 ug/L at E Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1115035 02/11/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1116006 03/10/2023 OEV Total Coliform Daily Maximum limit is 240.0 MPN/100 mL and reported value was 16 Violation N eSMR Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1116360 03/31/2023 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 85 % an Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1117287 04/22/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118992 06/17/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1119000 06/30/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1119001 06/03/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1119671 07/31/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1120704 03/23/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120715 03/09/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120718 03/04/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.1 SU at EFF-00 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120723 03/02/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120725 03/14/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 160 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120727 03/27/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120730 03/15/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 160 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120747 03/02/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 240 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120751 03/08/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 350 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120757 03/12/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1124673 01/20/2024 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 20 mg/L and reported Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1125325 02/04/2024 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 540 Violation N eSMR Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1125343 02/21/2024 CAT1 Ammonia, Total (as N) Maximum Daily (MDEL) limit is 16 mg/L and reported value w Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1126521 03/23/2024 CAT2 Chlorine, Total Residual 1-Hour Average (Mean) limit is 0.019 mg/L and reported Violation N eSMR Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1126565 03/22/2024 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 41 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1126566 03/31/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 15 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1128018 04/30/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 15 mg/L and reported value Violation N eSMR Mt. View Sanitary District WWTP 446024 R2-2021-0026 N
1128187 04/16/2024 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 79 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1141770 02/27/2025 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1142164 02/28/2025 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30.0 mg/L and repor Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1145219 06/21/2025 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1147887 08/16/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 457271 R2-2024-0008 N
1094648 08/05/2021 CAT2 Mercury, Total Weekly Average (Mean) limit is 0.072 ug/L and reported value was Violation N eSMR Delta Diablo WWTP 435913 R2-2019-0035 N
1100231 10/24/2021 CAT2 Copper, Total Recoverable Daily Maximum limit is 76 ug/L and reported value was Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1101423 01/31/2022 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 15 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1102830 02/28/2022 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 15 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1102837 02/28/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 15 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1102839 02/12/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 25 m Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 Y
1105893 05/28/2022 Deficient Monitoring On May 28, 2022, a coliform sample was collected and analyzed by method SM 9221 Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 N
1108770 08/31/2022 OEV Total Coliform Daily Maximum limit is 10000 MPN/100 mL and reported value was 16 Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1108772 08/13/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1108776 08/13/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1108779 08/20/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1109566 09/12/2022 Deficient Monitoring Samples for BOD & TSS were sent to contract lab for analysis for 09/12, 09/13, & Violation N eSMR Sonoma Valley County SD WWTP 432957 R2-2019-0019 N
1109734 09/10/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1109796 02/28/2022 Deficient Monitoring Failure to sample for pH and temperature. Violation N Report St. Helena City WWTP 442938 R2-2021-0004 N
1110848 10/01/2022 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1112959 11/30/2022 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30.0 mg/L and reported val Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1113326 12/17/2022 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1113333 12/10/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1114693 01/31/2023 CAT2 Copper, Total Monthly Average (Mean) limit is 8.3 ug/L and reported value was 11 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1114695 01/31/2023 Deficient Monitoring Effluent total coliform and E. coli monitoring is required weekly at EFF-001D du Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1114702 01/21/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 20 mg/L and reported Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1115036 02/18/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1116364 03/04/2023 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1117281 04/30/2023 CAT1 BOD5 @ 20 Deg. C, Percent Removal Percent Reduction limit is 85 % and reported v Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1117290 04/30/2023 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118252 05/31/2023 CAT1 BOD5 @ 20 Deg. C, Percent Removal Percent Reduction limit is 85 % and reported v Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118996 06/03/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1118999 06/17/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR West County Agency Outfall 428795 R2-2019-0003 Y
1120695 03/29/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 220 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120719 03/02/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.9 SU at EFF-00 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120726 03/23/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120729 03/10/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120744 03/19/2023 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1120755 03/12/2023 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 160 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1128179 04/30/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 15 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1128181 04/12/2024 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1128194 04/20/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 20 mg/L and reported value Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1131497 07/22/2024 ATOX Acute Toxicity 3-Sample Median limit is 90 % survival and reported value was 85 Violation N eSMR Delta Diablo WWTP 435913 R2-2019-0035 N
1139433 12/17/2024 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 540 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1140662 01/31/2024 Deficient Monitoring Instances of deficient monitoring are: Week of 1/5-1/11: INF-001 BOD and TSS an Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1141698 02/04/2025 Deficient Monitoring On February 2, 2025, in preparation for the pending rain events, CMSA staff incr Violation N eSMR Central Marin San. Agcy. WWTP 452582 R2-2023-0006 N
1141769 02/08/2025 OEV Total Coliform 5-Sample Median limit is 23 MPN/100 mL and reported value was 79 Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1141772 02/08/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 25 m Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1142635 03/29/2025 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 15 mg/L and reported Violation N eSMR St. Helena City WWTP 442938 R2-2021-0004 N
1109823 03/31/2022 Deficient Monitoring Deficient monitoring of ammonia for Quarter 1 of 2022. Violation None Report St. Helena City WWTP 442938 R2-2021-0004 N
1119944 08/02/2023 Late Report Monthly SMR ( MONNPDES ) report for June 2023 (2745416) was due on 01-AUG-23 Violation None Report Central Marin San. Agcy. WWTP 452582 R2-2023-0006 N
1119941 05/02/2023 Late Report Monthly SMR ( MONNPDES ) report for March 2023 (2745413) was due on 01-MAY-23 Violation None Report Central Marin San. Agcy. WWTP 452582 R2-2023-0006 N
1100569 02/01/2022 Late Report Monthly SMR ( MONNPDES ) report for December 2021 (2417333) was due on 31-JAN-22 Violation None Report Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1106154 07/01/2022 Late Report Monthly SMR ( MONNPDES ) report for May 2022 (2497055) was due on 30-JUN-22 Violation None Report St. Helena City WWTP 442938 R2-2021-0004 N
1138296 11/21/2024 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1600 Violation None Report Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1119943 07/04/2023 Late Report Monthly SMR ( MONNPDES ) report for May 2023 (2745415) was due on 03-JUL-23 Violation None Report Central Marin San. Agcy. WWTP 452582 R2-2023-0006 N
1124124 01/31/2024 Late Report Monthly SMR ( MONNPDES ) report for December 2023 (2762810) was due on 30-JAN-24 Violation None Report Sausalito Marin City STP 422035 R2-2018-0025 N
1105365 05/31/2022 Late Report Monthly SMR ( MONNPDES ) report for April 2022 (2186572) was due on 30-MAY-22 Violation None Report Sausalito Marin City STP 422035 R2-2018-0025 N
1112692 12/31/2022 Unauthorized Discharge On Saturday, December 31, 2022, the District experienced extraordinarily high in Violation None Report Delta Diablo WWTP 435913 R2-2019-0035 N
1119942 06/02/2023 Late Report Monthly SMR ( MONNPDES ) report for April 2023 (2745414) was due on 01-JUN-23 Violation None Report Central Marin San. Agcy. WWTP 452582 R2-2023-0006 N
1111270 12/01/2022 Late Report Monthly SMR ( MONNPDES ) report for October 2022 (2497060) was due on 30-NOV-22 Violation None Report St. Helena City WWTP 442938 R2-2021-0004 N
1113258 01/31/2023 Late Report Monthly SMR ( MONNPDES ) report for December 2022 (2205609) was due on 30-JAN-23 Violation None Report West County Agency Outfall 428795 R2-2019-0003 N
1147931 02/28/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Percent Removal limit is 85 Violation None Report West County Agency Outfall 457271 R2-2024-0008 N
1112226 12/31/2022 Late Report Monthly SMR ( MONNPDES ) report for November 2022 (2205608) was due on 30-DEC-22 Violation None Report West County Agency Outfall 428795 R2-2019-0003 N
1119939 03/02/2023 Late Report Monthly SMR ( MONNPDES ) report for January 2023 (2745411) was due on 01-MAR-23 Violation None Report Central Marin San. Agcy. WWTP 452582 R2-2023-0006 N
1100633 02/02/2022 Late Report Annual SMR ( MONNPDES ) report for 2021 (2417334) was due on 01-FEB-22 Violation None Report Yountville / CA Vets Home WWTP 440857 R2-2020-0026 N
1113385 02/02/2023 Late Report Annual SMR ( MONNPDES ) report for 2022 (2205757) was due on 01-FEB-23 Violation None Report West County Agency Outfall 428795 R2-2019-0003 N
1114630 03/03/2023 Late Report Monthly SMR ( MONNPDES ) report for January 2023 (2497077) was due on 02-MAR-23 Violation None Report St. Helena City WWTP 442938 R2-2021-0004 N
1119940 04/04/2023 Late Report Monthly SMR ( MONNPDES ) report for February 2023 (2745412) was due on 03-APR-23 Violation None Report Central Marin San. Agcy. WWTP 452582 R2-2023-0006 N
1114114 02/16/2023 Late Report Annual SMR ( MONNPDES ) report for 2022 (2161256) was due on 15-FEB-23 Violation None Report Napa River Salt Marsh Restoration Project 412717 R2-2017-0007 N
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 371
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
  
  
  
  
Expand/Contract Enforcement Actions
Enforcement Actions
Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
142470 San Francisco Bay Regional Water Quality Control Board WDR LNDISP 07/31/1996 Historical
Total Regulatory Measures linked to Related Parties: 1
  
  
The current report was generated with data as of: 11/07/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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