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   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
625059 John Salguero 320 West 4th Street 200 Los Angeles, CA 90013 213-620-2273 john.salguero@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
137760 Los Angeles Regional Water Quality Control Board Organization Employee 06/07/2021 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.
1096141 07/22/2021 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.7 SU at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 399606 R4-2016-0224 Y
1105356 03/01/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.6 MPN/100 mL at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1106481 05/19/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.6 SU at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 399606 R4-2016-0224 Y
1109739 08/31/2022 CAT2 Copper, Total Monthly Average limit is 6.5 mg/L and reported value was 10.7 mg/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1111186 09/29/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.7 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112136 10/02/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 4.2 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113055 11/24/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.7 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1116236 03/21/2023 CAT2 Mercury, Total Recoverable Daily Maximum limit is .00014 lb/day and reported value was .00123 lb/day at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1116610 02/02/2023 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 3.4 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1117804 03/15/2023 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 9.2 MPN/100 mL at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1117818 04/30/2023 CAT2 TCDD Equivalents Monthly Average limit is 0.24 pg/L and reported value was 1.23 pg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1118434 04/30/2023 CAT1 Total Dissolved Solids (TDS) Monthly Average limit is 950 mg/L and reported value was 1100 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1119013 04/30/2023 OEV Turbidity Monthly Average limit is 5 NTU and reported value was 5.5 NTU at EFF-005. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1120086 07/08/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45.0 mg/L and reported value was 46.2 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1120087 07/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value was 51.1 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1120990 08/19/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 65.6 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1121502 07/31/2023 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 9.3 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1121771 09/23/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 60.6 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1123166 10/03/2023 CAT1 Ammonia, Total (as N) Maximum Daily (MDEL) limit is 3.3 mg/L and reported value was 3.6 mg/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1126280 02/01/2024 CAT2 TCDD Equivalents Maximum Daily (MDEL) limit is 0.000000028 ug/L and reported value was 0.00000223 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126287 02/01/2024 CAT2 Mercury, Total Recoverable Maximum Daily (MDEL) limit is 0.00014 lb/day and reported value was 0.0006339 lb/day at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1130816 05/08/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 12 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130821 05/31/2024 CAT1 Sulfate, Total (as SO4) Monthly Average limit is 300 mg/L and reported value was 379 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130826 05/13/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 23 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1131937 06/30/2024 CAT1 Total Dissolved Solids (TDS) Monthly Average limit is 950 mg/L and reported value was 1090 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1142393 01/08/2025 CAT2 Nickel, Total Recoverable Maximum Daily (MDEL) limit is 10.7 ug/L and reported value was 12.6 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1096144 07/22/2021 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.6 SU at EFF-002. Violation N eSMR William E Warne Power Plant 399606 R4-2016-0224 Y
1099059 11/30/2021 CAT2 TCDD Equivalents Monthly Average (Mean) limit is 0.24 pg/L and reported value was 0.501 pg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1105353 03/03/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 5.1 MPN/100 mL at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1105355 03/31/2022 CAT2 Cyanide, Total (as CN) Monthly Average limit is 4.1 ug/L and reported value was 7.6 ug/L at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1106480 06/23/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.7 SU at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 399606 R4-2016-0224 Y
1111177 09/14/2022 OEV Turbidity Other NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1111182 09/12/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.6 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1111183 09/16/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.5 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113054 11/08/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 3.6 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113057 11/08/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 167.0 lb/day and reported value was 1761.0 lb/day at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113060 11/30/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 3.3 mg/L and reported value was 42 mg/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113069 11/17/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.1 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1116224 02/02/2023 OEV Turbidity Daily Maximum limit is 25 NTU and reported value was 47 NTU at EFF-003. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1116241 03/31/2023 CAT2 Copper, Total Recoverable Monthly Average limit is 1.6 ug/L and reported value was 5.22 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1116608 02/01/2023 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 3.2 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1117803 03/17/2023 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 12 MPN/100 mL at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1117805 03/18/2023 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 9.2 MPN/100 mL at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1117809 03/19/2023 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 9.2 MPN/100 mL at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1119187 05/31/2023 CAT1 Total Dissolved Solids (TDS) Monthly Average limit is 950 mg/L and reported value was 1110 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1121321 07/20/2023 OEV Temperature Daily Maximum limit is 80 Degrees F and reported value was 81.5 Degrees F at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 Y
1121508 09/04/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.1 SU at EFF-005. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1121509 09/25/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.7 SU at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1121814 08/30/2023 Deficient Monitoring Oil and grease sample collection was missed for the 005 Effluent in August. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1121817 08/30/2023 Deficient Monitoring Chronic toxicity was not sampled and analyzed. Discharge started in the second half of the month so there was not enough time to collect samples for chronic toxicity testing on top of all other sampling requirements. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1123283 12/30/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 53.2 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1123639 11/28/2023 CAT2 Copper, Total Maximum Daily (MDEL) limit is 0.02 lb/day and reported value was 0.03 lb/day. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1123640 11/30/2023 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 12 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1123642 10/31/2023 CAT2 Copper, Total Monthly Average limit is 0.01 lb/day and reported value was 0.02 lb/day at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1123649 11/28/2023 CAT2 Copper, Total Maximum Daily (MDEL) limit is 13.1 ug/L and reported value was 17 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1126785 03/05/2024 OEV E.coli Single Sample Maximum limit is 235 MPN/100 mL and reported value was 920 MPN/100 mL at EFF-003. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1127571 02/14/2024 Deficient Monitoring Two BOD samples were collected on 2/14/24 and 2/15/24 for separate BOD runs. Both BOD runs had QC failures caused by weak seed (primary is used to replenish the BOD seed - recent heavy rainstorms weakened the strength of the primary temporarily). Due to this, the runs failed so there is no BOD result for 001 Effluent. Percent removal was unable to be calculated. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1129455 04/30/2024 CAT1 Total Dissolved Solids (TDS) Monthly Average limit is 950 mg/L and reported value was 1090 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130321 05/31/2024 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 7.8 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1130322 06/12/2024 CAT2 Copper, Total Maximum Daily (MDEL) limit is 13.1 ug/L and reported value was 14 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1130325 06/30/2024 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 10 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1130814 05/06/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.9 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130815 05/07/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 12 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130818 05/09/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 16 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130823 05/14/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 23 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130824 05/12/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 23 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130832 05/17/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 23 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1138996 10/31/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10 mg/L and reported value was 13.6 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1105352 03/02/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 5.1 MPN/100 mL at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1106092 04/30/2022 CAT2 Cyanide, Total (as CN) Monthly Average limit is 4.1 ug/L and reported value was 5.5 ug/L at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1109741 08/16/2022 CAT2 Copper, Total Maximum Daily (MDEL) limit is 13.1 mg/L and reported value was 14.0 mg/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1111185 09/17/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.4 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1111190 09/11/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.3 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112140 10/31/2022 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 2.4 mg/L and reported value was 22 mg/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112143 10/31/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 3.3 mg/L and reported value was 25 mg/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112144 10/31/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 160 lb/day and reported value was 1376 lb/day at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112808 11/08/2022 CAT2 Zinc, Total Daily Maximum limit is 80 ug/L and reported value was 173 ug/L at EFF-002. Violation N eSMR USC Marine Science Center 387530 R4-2013-0172 Y
1113056 11/08/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 3.3 mg/L and reported value was 30.6 mg/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113061 11/30/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 128 lb/day and reported value was 1856 lb/day at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113065 11/16/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.9 NTU. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113076 11/30/2022 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 2.4 mg/L and reported value was 39 mg/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113077 11/06/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 3.1 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113357 11/30/2022 CAT2 Bis (2-Ethylhexyl) Phthalate Monthly Average (Mean) limit is 4 ug/L and reported value was 16 ug/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1116025 03/15/2023 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value was 2500 MPN/100 mL at EFF-002. Violation N eSMR USC Marine Science Center 387530 R4-2013-0172 Y
1116228 02/28/2023 OEV Turbidity Monthly Average (Mean) limit is 5 NTU and reported value was 47 NTU at EFF-003. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1116232 01/13/2023 CAT1 Total Suspended Solids (TSS) Daily Maximum limit is 75 mg/L and reported value was 195 mg/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1116235 03/31/2023 CAT2 Mercury, Total Recoverable Monthly Average limit is .004 ug/L and reported value was .196 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1116239 03/21/2023 CAT2 Copper, Total Recoverable Daily Maximum limit is 5.5 ug/L and reported value was 16.7 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1116992 03/31/2023 CAT1 Sulfate, Total (as SO4) Monthly Average (Mean) limit is 26060.0 lb/day and reported value was 28846.0 lb/day at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1117806 03/16/2023 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 12 MPN/100 mL at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1118418 04/30/2023 CAT2 Selenium, Total Monthly Average limit is 4.5 ug/L and reported value was 4.8 ug/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1121506 09/04/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.8 SU at EFF-003. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1121507 09/04/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.8 SU at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1123237 10/31/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit is 10 mg/L and reported value was 13 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1123648 10/18/2023 CAT2 Copper, Total Maximum Daily (MDEL) limit is 13.1 ug/L and reported value was 17 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1126282 02/29/2024 CAT2 TCDD Equivalents Monthly Average limit is 0.000000014 ug/L and reported value was 0.00000223 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126283 02/29/2024 CAT2 TCDD Equivalents Monthly Average limit is 0.0000000005 lb/day and reported value was 0.0000000136 lb/day at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126296 02/29/2024 CAT2 Mercury, Total Recoverable Monthly Average limit is 0.00014 lb/day and reported value was 0.000219 lb/day at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126780 01/31/2024 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 6.5 ug/L and reported value was 9.2 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1126782 03/31/2024 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 6.5 ug/L and reported value was 7.6 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1129453 04/30/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10 mg/L and reported value was 12 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130819 05/10/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 16 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1134511 07/31/2024 CAT1 Total Dissolved Solids (TDS) Monthly Average limit is 950 mg/L and reported value was 1070 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1140024 11/30/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10 mg/L and reported value was 13.8 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1100252 11/30/2021 CAT1 Oil and Grease Monthly Mean limit is 5 mg/L and reported value was 5.7 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1111187 09/21/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 3.2 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112138 10/07/2022 OEV Turbidity Other NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112146 10/08/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 3.5 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112963 10/31/2022 CAT2 Copper, Total Monthly Average (Mean) limit is 6.5 ug/L and reported value was 10.1 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1113066 11/17/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 3.3 mg/L and reported value was 42.6 mg/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113068 11/10/2022 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 920 MPN/100 mL at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113072 11/27/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.2 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113355 11/18/2022 CAT2 Bis (2-Ethylhexyl) Phthalate Maximum Daily (MDEL) limit is 15 ug/L and reported value was 110 ug/L at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1114496 12/06/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 3.3 mg/L and reported value was 23.4 mg/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1116227 02/28/2023 CAT2 Copper, Total Monthly Average (Mean) limit is 6.5 ug/L and reported value was 10 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1118435 04/30/2023 CAT1 Sulfate, Total (as SO4) Monthly Average limit is 300 mg/L and reported value was 379 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1119012 04/30/2023 CAT1 Oil and Grease Monthly Average limit is 10 mg/L and reported value was 11 mg/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1119014 04/30/2023 OEV Turbidity Monthly Average limit is 5 NTU and reported value was 8.0 NTU at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1120085 07/22/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 67.1 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1121813 08/30/2023 Deficient Monitoring Creek chronic toxicity was not sampled and analyzed. Discharge occurred unexpectedly in the second half of the month and there was not enough time to collect samples for chronic toxicity testing on top of all other sampling requirements. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1122615 08/29/2023 Deficient Monitoring The quarterly testing was missed for the Tapia Influent. This consists of: Ammonia, Cadmium, Copper, Cyanide, Dichlorobromomethane, Lead, Nitrate+Nitrite, Total Nitrogen, Total Phosphorus, Selenium, and Zinc. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1123644 10/04/2023 CAT2 Copper, Total Maximum Daily (MDEL) limit is 0.02 lb/day and reported value was 0.03 lb/day at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1126288 02/01/2024 OEV Turbidity Maximum Daily (MDEL) limit is 75 NTU and reported value was 100 NTU at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126290 02/01/2024 CAT2 TCDD Equivalents Daily Maximum limit is 0.000000001 lb/day and reported value was 0.0000000136 lb/day at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126781 02/29/2024 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 6.5 ug/L and reported value was 12 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1127570 02/05/2024 OEV Turbidity 24-hour Average limit is 2.0 NTU and reported value was 5.0 NTU at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1129454 04/30/2024 CAT1 Sulfate, Total (as SO4) Monthly Average limit is 300 mg/L and reported value was 372 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130323 04/30/2024 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 6.7 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1130324 06/30/2024 CAT2 Copper, Total Monthly Average limit is 0.01 lb/day and reported value was 0.02 lb/day at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1138997 10/31/2024 CAT1 Phosphorus, Total (as P) Monthly Average limit is 3 mg/L and reported value was 4 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1142394 03/31/2025 CAT2 Nickel, Total Recoverable Monthly Average limit is 2.9 ug/L and reported value was 5.96 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1099914 11/30/2021 CAT2 Copper, Total Recoverable Monthly Average limit is 24 ug/L and reported value was 38 ug/L at EFF-002. Violation N eSMR William E Warne Power Plant 399606 R4-2016-0224 Y
1100253 11/30/2021 CAT1 Phosphorus, Total (as P) Monthly Mean limit is 3 mg/L and reported value was 3.9 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1109740 07/31/2022 CAT2 Copper, Total Monthly Average limit is 6.5 mg/L and reported value was 7.5 mg/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1109743 09/30/2022 CAT2 Copper, Total Monthly Average limit is 6.5 mg/L and reported value was 7.8 mg/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1111179 09/19/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 3.3 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1111180 09/28/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.3 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1111181 09/22/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.4 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112809 11/08/2022 CAT2 Beryllium, Total Monthly Average (Mean) limit is 0.033 ug/L and reported value was 0.13 ug/L at EFF-002. Violation N eSMR USC Marine Science Center 387530 R4-2013-0172 Y
1112961 11/30/2022 CAT2 Copper, Total Monthly Average (Mean) limit is 6.5 ug/L and reported value was 10.1 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1113064 11/21/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.1 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113073 11/28/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.4 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1114494 12/31/2022 CAT1 Ammonia, Total (as N) Monthly Average limit is 2.4 mg/L and reported value was 3.2 mg/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1114497 12/06/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 169 lb/day and reported value was 1366 lb/day at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1116226 02/02/2023 OEV Turbidity Daily Maximum limit is 25 NTU and reported value was 33 NTU at EFF-005. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1116238 03/31/2023 CAT2 Zinc, Total Recoverable Monthly Average limit is 42.0 ug/L and reported value was 49.0 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1116242 03/21/2023 CAT2 Zinc, Total Recoverable Daily Maximum limit is 136 ug/L and reported value was 185 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1119188 05/31/2023 CAT1 Sulfate, Total (as SO4) Monthly Average (Mean) limit is 300 mg/L and reported value was 340 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1120088 07/15/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 60.2 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1121500 09/30/2023 CAT2 Copper, Total Monthly Average limit is 0.01 lb/day and reported value was 0.02 lb/day at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1121503 08/31/2023 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 11.2 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1121772 09/30/2023 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value was 48.5 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1121815 08/31/2023 CAT1 Total Dissolved Solids (TDS) Monthly Average limit is 950 mg/L and reported value was 1040 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1122618 09/30/2023 CAT1 Total Dissolved Solids (TDS) Monthly Average limit is 950 mg/L and reported value was 1050 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1123282 12/16/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 58.9 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1123285 12/31/2023 CAT1 Total Suspended Solids (TSS), Percent Removal Monthly Average limit is 85 % and reported value was 70.1 % at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1123638 10/31/2023 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 15 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1126285 02/29/2024 CAT2 Mercury, Total Recoverable Monthly Average limit is 0.004 ug/L and reported value was 0.041 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126293 02/29/2024 CAT2 Copper, Total Recoverable Monthly Average limit is 1.6 ug/L and reported value was 5.5 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126783 02/29/2024 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.01 lb/day and reported value was 0.02 lb/day at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1131936 06/30/2024 CAT1 Sulfate, Total (as SO4) Monthly Average limit is 300 mg/L and reported value was 314 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1134512 07/31/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10 mg/L and reported value was 12 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1096142 08/12/2021 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.7 SU at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 399606 R4-2016-0224 Y
1109473 07/28/2022 CAT2 Copper, Total Recoverable Daily Maximum limit is 79 ug/L and reported value was 80 ug/L at EFF-002. Violation N eSMR William E Warne Power Plant 399606 R4-2016-0224 Y
1109475 08/25/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.4 SU at EFF-002. Violation N eSMR William E Warne Power Plant 399606 R4-2016-0224 Y
1111178 09/18/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 3.4 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1111188 09/30/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.8 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112135 10/01/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.8 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112137 10/03/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 3.5 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112139 10/08/2022 OEV Turbidity Other NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112141 10/04/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 3.2 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112789 11/01/2022 CAT2 Cyanide, Total (as CN) Daily Maximum limit is 1 ug/L and reported value was 5.28 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1112929 11/17/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.8 SU at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 Y
1112962 10/11/2022 CAT1 Chloride Daily Maximum limit is 100 mg/L and reported value was 102 mg/L at EFF-003. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1113063 11/11/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.3 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113074 11/29/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.4 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113075 11/30/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.4 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1114493 12/15/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 164 lb/day and reported value was 170 lb/day at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1116021 03/15/2023 OEV Total Coliform Single Sample Maximum limit is 10000 MPN/100 mL and reported value was 17000 MPN/100 mL at EFF-002. Violation N eSMR USC Marine Science Center 387530 R4-2013-0172 Y
1116024 03/15/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was 5800 MPN/100 mL at EFF-002. Violation N eSMR USC Marine Science Center 387530 R4-2013-0172 Y
1116229 02/28/2023 OEV Turbidity Monthly Average (Mean) limit is 5 NTU and reported value was 33 NTU at EFF-005. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1116234 01/11/2023 CAT1 Settleable Solids Daily Maximum limit is .3 ml/L and reported value was 2.75 ml/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1116611 02/04/2023 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.6 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1119008 04/30/2023 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 11.2 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1122620 09/19/2023 Deficient Monitoring The monthly requirement for Bis(2-ethylhexyl)phthalate was missed. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1123647 10/04/2023 CAT2 Copper, Total Maximum Daily (MDEL) limit is 13.1 ug/L and reported value was 18 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1126273 02/29/2024 CAT2 Zinc, Total Recoverable Monthly Average limit is 42.0 ug/L and reported value was 67 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126286 02/01/2024 CAT2 Mercury, Total Recoverable Maximum Daily (MDEL) limit is 0.004 ug/L and reported value was 0.119 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126291 02/01/2024 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.78 SU at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126294 02/01/2024 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 5.5 ug/L and reported value was 13.6 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126373 02/21/2024 OEV Total Coliform Single Sample Maximum limit is 10000 MPN/100 mL and reported value was 70000 MPN/100 mL at EFF-002. Violation N eSMR USC Marine Science Center 387530 R4-2013-0172 Y
1126784 02/29/2024 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 13.1 ug/L and reported value was 23 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1127573 02/05/2024 OEV Turbidity Daily Maximum limit is 72 minutes and reported value was 585 minutes at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1127574 02/05/2024 OEV Turbidity Instantaneous Maximum limit is 10 NTU and reported value was 10 NTU at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130813 05/03/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.6 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130828 05/16/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 23 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1137690 09/30/2024 CAT1 Total Dissolved Solids (TDS) Monthly Average (Mean) limit is 950 mg/L and reported value was 978 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1142395 01/31/2025 CAT2 Nickel, Total Recoverable Monthly Average limit is 2.9 ug/L and reported value was 3.4 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1109474 07/28/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.2 SU at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 399606 R4-2016-0224 Y
1111184 09/23/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.5 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1111191 09/26/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.7 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1111192 09/20/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 3.2 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112145 10/11/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 3.3 mg/L and reported value was 19 mg/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113071 11/25/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.6 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113078 11/22/2022 OEV Total Coliform Other limit is 23 MPN/100 mL and reported value was 130 MPN/100 mL at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113364 11/30/2022 CAT2 Bis (2-Ethylhexyl) Phthalate Monthly Average (Mean) limit is 5.9 ug/L and reported value was 110 ug/L at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1116020 03/15/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was 130 MPN/100 mL at EFF-001. Violation N eSMR USC Marine Science Center 387530 R4-2013-0172 Y
1116240 01/11/2023 OEV Turbidity Daily Maximum limit is 75 NTU and reported value was 140 NTU at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1116609 02/03/2023 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 3.2 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1118971 06/30/2023 CAT2 Copper, Total Recoverable Monthly Average limit is 29 ug/L and reported value was 35 ug/L at EFF-002. Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 Y
1119010 05/31/2023 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 9.5 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1119186 05/31/2023 CAT2 Bis (2-Ethylhexyl) Phthalate Monthly Average (Mean) limit is 4 ug/L and reported value was 32 ug/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1120991 08/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value was 42.4 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1121274 09/30/2023 CAT2 Nickel, Total Recoverable Monthly Average limit is 2.9 ug/L and reported value was 5.52 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1121774 09/02/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 57 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1121818 08/30/2023 Deficient Monitoring Chronic toxicity was not sampled and analyzed. Discharge occurred unexpectedly in the second half of the month and there was not enough time to collect samples for chronic toxicity testing on top of all other sampling requirements. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1123167 10/03/2023 CAT1 Ammonia, Total (as N) Maximum Daily (MDEL) limit is 152 lb/day and reported value was 189 lb/day at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1123238 10/10/2023 Deficient Monitoring The monthly Bis (2-ethylhexyl) phthalate sample collection was missed for Tapia's Influent. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1123279 12/23/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 58.4 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1123284 12/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value was 55.5 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1123454 11/29/2023 CAT1 Ammonia, Total (as N) Daily Maximum limit is 1.8 mg/L and reported value was 3.47 mg/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1123641 12/31/2023 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 10 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1126371 02/21/2024 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was 3900 MPN/100 mL at EFF-002. Violation N eSMR USC Marine Science Center 387530 R4-2013-0172 Y
1127572 02/14/2024 Deficient Monitoring Two BOD samples were collected on 2/14/24 and 2/15/24 for separate BOD runs. Both BOD runs had QC failures caused by weak seed (primary is used to replenish the BOD seed - recent heavy rainstorms weakened the strength of the primary temporarily). Due to this, the runs failed so there is no BOD result for Tapia Influent. Percent removal was unable to be calculated. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130820 05/31/2024 CAT1 Total Dissolved Solids (TDS) Monthly Average limit is 950 mg/L and reported value was 1100 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130829 05/18/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 16 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130830 05/05/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.9 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130831 05/11/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 23 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1105354 03/04/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 5.1 MPN/100 mL at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1109472 08/25/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.4 SU at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 399606 R4-2016-0224 Y
1111189 09/27/2022 OEV Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 2.4 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1112142 10/11/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 157.0 lb/day and reported value was 1030.0 lb/day at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113058 11/22/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.4 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113059 11/23/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.9 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113062 11/07/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 3.7 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113067 11/17/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 160.0 lb/day and reported value was 2345.0 lb/day at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113070 11/26/2022 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.5 NTU at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113079 11/24/2022 OEV Total Coliform Other limit is 23 MPN/100 mL and reported value was 130 MPN/100 mL at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1113358 11/30/2022 CAT2 Bis (2-Ethylhexyl) Phthalate Monthly Average (Mean) limit is 0.59 lb/day and reported value was 0.64 lb/day at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1113360 11/30/2022 CAT1 Phosphorus, Total (as P) Monthly Average limit is 3.0 mg/L and reported value was 4.0 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1116233 03/21/2023 CAT2 Mercury, Total Recoverable Daily Maximum limit is .004 ug/L and reported value was .586 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1116237 03/31/2023 CAT2 Mercury, Total Recoverable Monthly Average limit is .00014 lb/day and reported value was .000415 lb/day at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1116993 03/31/2023 CAT2 Selenium, Total Monthly Average (Mean) limit is 4.5 ug/L and reported value was 4.6 ug/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 Y
1118681 05/03/2023 CAT1 Total Suspended Solids (TSS) Maximum Daily (MDEL) limit is 75 mg/L and reported value was 86.8 mg/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1118972 05/31/2023 CAT2 Copper, Total Recoverable Monthly Average limit is 29 ug/L and reported value was 48 ug/L at EFF-002. Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 Y
1119009 04/26/2023 CAT2 Copper, Total Daily Maximum limit is 13.1 ug/L and reported value was 14 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1121322 08/24/2023 OEV Temperature Daily Maximum limit is 80 Degrees F and reported value was 81.86 Degrees F at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 Y
1121323 09/21/2023 OEV pH Daily Maximum limit is 8.8 SU and reported value was 8.9 SU at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 Y
1121501 09/27/2023 CAT2 Copper, Total Daily Maximum limit is 13.1 ug/L and reported value was 15 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1121504 08/31/2023 CAT2 Copper, Total Monthly Average limit is 0.01 lb/day and reported value was 0.02 lb/day at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1121505 09/30/2023 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 12.8 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1121770 09/09/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 60.3 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1121773 09/30/2023 CAT1 Total Suspended Solids (TSS), Percent Removal Monthly Average limit is 85 % and reported value was 81.9 % at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1123280 12/02/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 61.9 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1123281 12/09/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 57.1 mg/L at EFF-001. Violation N eSMR Avalon WWTF 424707 R4-2019-0023 Y
1123643 11/30/2023 CAT2 Copper, Total Monthly Average limit is 0.01 lb/day and reported value was 0.02 lb/day at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1123645 10/18/2023 CAT2 Copper, Total Maximum Daily (MDEL) limit is 0.02 lb/day and reported value was 0.03 lb/day at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1126284 02/01/2024 CAT2 Zinc, Total Recoverable Maximum Daily (MDEL) limit is 136.0 ug/L and reported value was 195.0 ug/L at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 Y
1126370 02/21/2024 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value was 790 MPN/100 mL at EFF-002. Violation N eSMR USC Marine Science Center 387530 R4-2013-0172 Y
1126372 02/21/2024 OEV Turbidity Daily Maximum limit is 150 NTU and reported value was 220 NTU at EFF-002. Violation N eSMR USC Marine Science Center 387530 R4-2013-0172 Y
1126786 02/29/2024 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 0.02 ug/L and reported value was 0.03 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 Y
1130827 05/15/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 23 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1130833 05/04/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 5.1 MPN/100 mL at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 Y
1125975 01/30/2024 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 5110 ug/L at EFF-001. Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1145976 05/07/2025 CAT1 Nitrate, Total (as N) Monthly Average limit is 8 mg/L and reported value was 9 mg/L at EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1148863 09/17/2025 CAT2 Copper, Total Maximum Daily (MDEL) limit is 13.1 ug/L and reported value was 19 ug/L. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1143268 03/06/2025 CAT2 Copper, Total Maximum Daily (MDEL) limit is 6.9 ug/L and reported value was 9.12 ug/L at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1142633 02/14/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value was 1600 MPN/100 mL at EFF-002. Violation N eSMR USC Marine Science Center 433199 R4-2024-0258 N
1148929 09/30/2025 Deficient Monitoring No samples were collected in September 2025 due to the plant being offline for plant maintenance. Water quality samples were collected in early October, but a contract issue came up between DWR and its analytical lab. As a result, the October samples will not be analyzed. Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1127314 01/25/2024 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was 5200 MPN/100 mL at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1124200 10/26/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was 24196 MPN/100 mL at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1113290 11/14/2022 CAT2 Copper, Total Maximum Daily (MDEL) limit is 6.9 ug/L and reported value was 37.8 ug/L at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1124131 11/16/2023 Deficient Monitoring Chlorine residual, a daily grab sample requirement, was not analyzed on 11/16/2023. Operations staff had told the lab that 005 discharge would be stopped on 11/15/2023. Discharge continued through 11/16/2023, but the lab was not notified. Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1145196 04/17/2025 OEV Turbidity Monthly Average limit is 5.0 NTU and reported value was 6.45 NTU at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1139584 12/12/2024 CAT1 Boron, Total Monthly Average limit is 1.5 mg/L and reported value was 2.6 mg/L at EFF-002. Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1145195 05/15/2025 OEV pH Instantaneous Maximum limit is 8.6 SU and reported value was 8.7 SU at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1144813 04/02/2025 Deficient Monitoring This sample was received unpreserved and with the recommended holding time for preservation of 48 hours expired. Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1139754 01/31/2025 Deficient Reporting DDT was sampled from sample point EFF-001 (Outfall Effluent) on December 26, 2024 (COC#24-1708). This constituent is currently pending analysis, and the analysis results will be submitted as soon as they are made available. Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1116694 03/24/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was 340 MPN/100 mL at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1116690 02/20/2023 CAT2 Nickel, Total Maximum Daily (MDEL) limit is 9.5 ug/L and reported value was 9.81 ug/L at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143262 02/14/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was 14000 MPN/100 mL at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1121782 08/29/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was 1100 MPN/100 mL at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143271 02/14/2025 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Other limit is 0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1148866 08/31/2025 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 9.1 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1143253 03/13/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value was 1600 MPN/100 mL at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143258 03/13/2025 CAT2 Zinc, Total Maximum Daily (MDEL) limit is 121 ug/L and reported value was 154 ug/L at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1134412 09/24/2024 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 4540 ug/L at EFF-001. Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1143272 02/04/2025 CAT1 Ammonia, Total (as N) Monthly Average limit is 2.5 mg/L and reported value was 2.6 mg/L at EFF-001. Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1121780 08/25/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was 24196 MPN/100 mL at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1144818 04/02/2025 Deficient Monitoring This sample was received unpreserved and with the recommended holding time for preservation of 48 hours expired. Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1142629 02/13/2025 OEV Turbidity Daily Maximum limit is 150 NTU and reported value was 220 NTU at EFF-002. Violation N eSMR USC Marine Science Center 433199 R4-2024-0258 N
1141168 12/17/2024 Deficient Monitoring For RSW-MC003D, there is no diazinon result. Malibu Creek sites were sampled for diazinon on 12/17/2024 by laboratory staff, but MCR3 was made inaccessible due to trail damage caused by December's Franklin Fire. Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1139672 12/31/2024 CAT2 Copper, Total 1-Hour Average (Mean) limit is 6.5 ug/L and reported value was 6.7 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1112199 12/27/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2.4 mg/L and reported value was 2.71 mg/L at EFF-001. Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1142634 02/13/2025 CAT2 TCDD Equivalents Daily Maximum limit is .000000004 ug/L and reported value was .000000063 ug/L at EFF-002. Violation N eSMR USC Marine Science Center 433199 R4-2024-0258 N
1131929 08/30/2023 Deficient Monitoring Creek chronic toxicity was not sampled and analyzed. Discharge occurred unexpectedly in the second half of the month and there was not enough time to collect samples for chronic toxicity testing on top of all other sampling requirements. Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1134978 07/25/2024 OEV Temperature Daily Maximum limit is 80 Degrees F and reported value was 84.2 Degrees F at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1142414 03/13/2025 OEV Turbidity Monthly Average limit is 5 NTU and reported value was 84.9 NTU at EFF-001 (A & B). Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1143245 03/13/2025 CAT2 Hydrocarbons, Petroleum Maximum Daily (MDEL) limit is 100 ug/L and reported value was 270 ug/L at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1116250 05/01/2023 Deficient Reporting The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Settling Basin (INT-001A), to be sampled on a monthly basis for Oil and Grease (O&G), Total Suspended Solids (TSS), Copper, Iron and Bis (2-ethylhexyl) Phthalate. These samples were taken from March 28 to March 29, 2023. For reasons beyond LADWP's control, the sample analyses were delayed. The monthly samples for March 2023 are being analyzed by a contract lab, and the results are still pending as of May 1, 2023. The Self-Monitoring Report (SMR) and Discharge Monitoring Report (DMR) will be revised and re-submitted once the results are received. The code NODI (X) was used for the constituent analyses that are pending results on the DMR. Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1126793 01/20/2024 CAT1 Total Suspended Solids (TSS) 30-Day Average limit is 35 mg/L and reported value was 42 mg/L at INT-001D. Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1142630 02/13/2025 CAT2 Copper, Total Recoverable Daily Maximum limit is 12 ug/L and reported value was 110 ug/L at EFF-002. Violation N eSMR USC Marine Science Center 433199 R4-2024-0258 N
1109924 08/02/2022 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was 330 MPN/100 mL at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1145491 06/30/2025 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 11 ug/L at EFF-004. Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1127308 02/29/2024 CAT1 Sulfate, Total (as SO4) Monthly Average (Mean) limit is 250 mg/L and reported value was 412 mg/L at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1149339 08/31/2025 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day period. limit is 23 MPN/100 mL and reported value was 31 MPN/100 mL at EFF-001. Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1119220 06/06/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was 460 MPN/100 mL at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1121781 08/31/2023 OEV Enterococci Geometric Mean of Minimum 5 Samples in 30-Days limit is 35 MPN/100 mL and reported value was 553 MPN/100 mL at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1138982 10/08/2024 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 3490 ug/L at EFF-001. Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1140023 11/30/2024 Deficient Monitoring samples were collected on 11/21/24 and 11/28/24. The samples were analyzed on 12/16/24 but had QC failure due to blank contamination. The remaining sample bottles were analyzed on 12/19/24 but the run failed due to low QC recovery. Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1127318 01/25/2024 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value was 1600 MPN/100 mL at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1144817 04/02/2025 Deficient Monitoring This sample was received unpreserved and with the recommended holding time for preservation of 48 hours expired. Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1135170 08/31/2024 Deficient Monitoring Total Cyanide and TCDD (Dioxin) are required to be sampled and analyzed on an Annual Basis from sample point INT-001A (Settling Basin), during the month of August. Due to errors in the COC, Total Cyanide and TCDD (Dioxin) were not analyzed during 3rd Quarter 2024. Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1116243 01/13/2023 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Settling Tank (INT-001A), to be sampled for pH on a monthly basis. The monthly NPDES samples at the Settling Tank did not include pH readings due to sampling error. Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1125974 01/01/2024 CAT1 Ammonia, Total (as N) Instantaneous Maximum limit is 6000 ug/L and reported value was 27500 ug/L at EFF-001. Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1146008 04/26/2025 CAT2 Hydrocarbons, Petroleum Maximum Daily (MDEL) limit is 100 ug/L and reported value was 2390 ug/L at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1135967 07/15/2024 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was 330 MPN/100 mL at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143255 02/07/2025 CAT2 Copper, Total Maximum Daily (MDEL) limit is 6.9 ug/L and reported value was 9.29 ug/L at EFF-001. Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1145125 05/02/2025 CAT2 Cyanide, Total (as CN) Maximum Daily (MDEL) limit is 0.036 lb/day and reported value was 0.130 lb/day at EFF-001. Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 N
1113361 11/30/2022 Deficient Monitoring Orthophosphate, Total (as P) sample was collected, but not sent out to contracted lab. The error was not noticed until after discharge had ceased. This occurred for EFF-005. Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1139751 11/30/2024 Deficient Monitoring DDT, PCB¿s (as Aroclors),and Bis(2-ethylhexyl) phthalate are required to be samp Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1145974 05/07/2025 CAT1 Phosphorus, Total (as P) Monthly Average limit is 3 mg/L and reported value was Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1109677 07/12/2022 OEV Fecal Coliform Single Sample Maximum limit is 400 CFU/100 mL and reported value Violation N eSMR Pebbly Beach Desalination Plant 405114 R4-2019-0145 N
1148937 08/21/2025 CAT2 Lead, Total Monthly Average (Mean) limit is 8 ug/L and reported value was 10 ug/ Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1147197 06/18/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 21 mg Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1143241 02/14/2025 CAT2 Hydrocarbons, Petroleum Maximum Daily (MDEL) limit is 100 ug/L and reported valu Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1109925 08/17/2022 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1119011 05/03/2023 Deficient Monitoring The weekly accelerated copper monitoring sample for EFF004 was collected on 5/3/ Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1139581 12/12/2024 CAT2 Chlorine, Total Residual Daily Maximum limit is 0.1 mg/L and reported value was Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1128088 03/31/2024 CAT1 Total Dissolved Solids (TDS) Monthly Average (Mean) limit is 850 mg/L and report Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1119219 06/01/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1145977 05/07/2025 CAT1 Nitrite Plus Nitrate (as N) Monthly Average limit is 8 mg/L and reported value w Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1112203 11/30/2022 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 0.6 mg/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1146016 04/26/2025 CAT1 Total Suspended Solids (TSS) Maximum Daily (MDEL) limit is 75 mg/L and reported Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1147198 06/25/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 20 mg Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1109922 08/22/2022 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1124211 11/15/2023 CAT2 Hydrocarbons, Petroleum Daily Maximum limit is 100.0 ug/L and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1131894 07/19/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value Violation N eSMR Avalon WWTF 455133 R4-2024-0253 N
1116696 03/09/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1124281 01/05/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value Violation N eSMR Avalon WWTF 424707 R4-2019-0023 N
1124210 10/31/2023 OEV Total Coliform Geometric Mean of Minimum 5 Samples in 30-Days limit is 1000 MPN/ Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1147199 06/30/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10 Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1146006 04/26/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1113292 11/14/2022 CAT2 Zinc, Total Maximum Daily (MDEL) limit is 121 ug/L and reported value was 474 ug Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1127309 02/29/2024 CAT1 Total Dissolved Solids (TDS) Monthly Average (Mean) limit is 0850 mg/L and repor Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1121779 08/16/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1126281 02/01/2024 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Maximum Daily (MDEL) li Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 N
1114109 02/01/2023 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1134411 09/30/2024 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 600 ug/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1130056 05/15/2024 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Maximum Daily (MDEL) li Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 N
1142413 01/16/2025 CAT1 Chloride 3-Sample Average (Mean) limit is 100 mg/L and reported value was 101 mg Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1141165 12/17/2024 Deficient Monitoring For RSW-MC003D, there is no chronic toxicity result. Malibu Creek sites were sam Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1124203 10/26/2023 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1123653 12/20/2023 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1127313 01/10/2024 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1119213 06/20/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1145490 05/31/2025 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 7.2 ug/L Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1116689 02/28/2023 CAT2 Copper, Total Monthly Average limit is 2.6 ug/L and reported value was 5.15 ug/L Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1144824 04/30/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1102083 12/07/2021 Surface Water Sample was never analyzed. The incorrect sample was sent out to contract lab for Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1124209 10/24/2023 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1149338 08/15/2025 OEV Turbidity Other limit is 72 minutes and reported value was 77 minutes at EFF-001 Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1096140 08/30/2021 CTOX Chronic Toxicity-C.dubia-Reproduction Monthly Median limit is 0.0 Pass/Fail (Pas Violation N eSMR William E Warne Power Plant 399606 R4-2016-0224 N
1112197 10/31/2022 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 0.6 mg/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1145489 04/30/2025 CAT2 Copper, Total Monthly Average limit is 6.5 % and reported value was 9.9 % at EFF Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1148933 08/21/2025 OEV Turbidity Daily Maximum limit is 25 NTU and reported value was 40 NTU at EFF-002 Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1131934 08/30/2023 Deficient Monitoring Creek chronic toxicity was not sampled and analyzed. Discharge occurred unexpect Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1135630 09/12/2024 CAT1 Oil and Grease Weekly Average limit is 40 mg/L and reported value was 300 mg/L a Violation N eSMR Edward C. Little Water Recycling Plant (Recycled Water Irrigation) 452909 R4-2023-0368 N
1113017 02/01/2023 Deficient Reporting The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1148862 09/17/2025 CAT2 Copper, Total Maximum Daily (MDEL) limit is 0.02 lb/day and reported value was 0 Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1135971 08/01/2024 OEV Enterococci Geometric Mean of Minimum 5 Samples in 30-Days limit is 35.0 MPN/100 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1120997 03/21/2023 CTOX Chronic Toxicity Daily Maximum limit is 50 % effect and reported value was 65 % Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 N
1139582 11/14/2024 Deficient Monitoring Dioxins and Furans samples were missed because the lab did not send the bottles Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1124282 01/31/2024 CAT1 Total Suspended Solids (TSS), Percent Removal Monthly Average limit is 85 % and Violation N eSMR Avalon WWTF 424707 R4-2019-0023 N
1143248 01/27/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1130331 01/26/2024 OEV Enterococci Daily Maximum limit is 104 MPN/100 mL and reported value was 2419.6 Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1102086 12/07/2021 Surface Water Sample was never analyzed. The incorrect sample was sent out to contract lab for Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1102087 12/07/2021 Surface Water Sample was never analyzed. The incorrect sample was sent out to contract lab for Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1113053 11/30/2022 CTOX Chronic Toxicity (Species 3) Monthly Median limit is 0 Pass/Fail (Pass = 0, Fail Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1143251 02/14/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1144823 04/30/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 20 mg Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1148321 07/30/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 20 mg Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1146020 06/24/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1146022 04/26/2025 OEV Turbidity Maximum Daily (MDEL) limit is 75 NTU and reported value was 159 NTU at Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1113293 11/30/2022 CAT2 Copper, Total Monthly Average limit is 2.6 ug/L and reported value was 11.2 ug/L Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1149293 08/05/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1142127 01/07/2025 Deficient Monitoring A Sample for Sulfate collected and sent to Weck Laboratories, but result was abo Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1121579 11/01/2023 Deficient Reporting Monthly NPDES results for DDT at the Outfall (EFF-001) are still pending analysi Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1143252 03/07/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1102081 11/30/2021 Deficient Monitoring Uranium Monthly Average limit is 20 PCi/L and reported value was 0 PCi/L at EFF- Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1124199 10/24/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1116660 02/27/2023 Deficient Monitoring The Harbor Generating Station (HGS) NPDES Permit No. CA000036 requires the efflu Violation N eSMR Harbor Generating Station 133396 R4-2003-0101 N
1148934 08/21/2025 CAT1 Total Suspended Solids (TSS) Daily Maximum limit is 75 mg/L and reported value w Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1143250 02/07/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1126444 01/25/2024 OEV Enterococci Other limit is 110 CFU/100 mL and reported value was 830 CFU/100 mL Violation N eSMR Pebbly Beach Desalination Plant 405114 R4-2019-0145 N
1125019 11/16/2023 Deficient Monitoring Total Chromium and Chrome 6 samples were not collected on the same day. The cont Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1146010 04/26/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1135169 08/08/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 10 mg Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1113297 12/01/2021 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1138979 11/26/2024 CAT1 Ammonia, Total (as N) Instantaneous Maximum limit is 6000 ug/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1138985 11/12/2024 CAT1 Ammonia, Total (as N) Instantaneous Maximum limit is 6000 ug/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1114106 02/01/2023 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1143243 01/27/2025 CAT1 Total Suspended Solids (TSS) Maximum Daily (MDEL) limit is 75 mg/L and reported Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1119214 06/12/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1116693 03/13/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1102080 12/07/2021 Surface Water Sample was never analyzed. The incorrect sample was sent out to contract lab for Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1138989 10/31/2024 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 600 ug/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1109742 08/31/2022 Deficient Monitoring Accelerated copper sample was unable to be collected due to the Route Fire that Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1141167 12/18/2024 Deficient Monitoring No weekly TSS result for the week of December 18th. A sample was collected and Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1139674 10/31/2024 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 10 ug/L a Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1109923 08/31/2022 OEV Total Coliform 30-Day Geometric Mean limit is 1000 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1119216 06/30/2023 OEV Enterococci Geometric Mean of Minimum 5 Samples in 30-Days limit is 35 MPN/100 m Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1125024 11/16/2023 Deficient Monitoring Total Chromium and Chrome 6 samples were not collected on the same day. The cont Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1115414 03/21/2023 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2.4 mg/L and reported value was 3.9 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1123253 11/28/2023 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 22 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1113288 12/31/2022 OEV Total Coliform 30-Day Geometric Mean limit is 1000 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1123455 11/01/2023 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Daily Maximum limit is Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 N
1142416 02/13/2025 CAT1 Chloride 3-Sample Average (Mean) limit is 100 mg/L and reported value was 111 mg Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1146011 06/03/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1146009 04/26/2025 CAT2 Lead, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 23.7 ug Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1147193 06/04/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 20 mg Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1102090 11/30/2021 Deficient Monitoring Strontium-90 Monthly Average limit is 8 PCi/L and reported value was 0 PCi/L at Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1131892 07/05/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value Violation N eSMR Avalon WWTF 455133 R4-2024-0253 N
1144820 04/17/2025 CAT1 Nitrate, Total (as N) Monthly Average limit is 8.0 mg/L and reported value was 9 Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1138986 11/19/2024 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 20 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1138978 10/01/2024 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 29 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1102085 11/30/2021 Deficient Monitoring Tritium Monthly Average (Mean) limit is 20,000 PCi/L and reported value was 0 PC Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1140043 10/09/2024 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1119217 06/30/2023 OEV Total Coliform Geometric Mean of Minimum 5 Samples in 30-Days limit is 1000 MPN/ Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1127315 01/29/2024 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143240 02/07/2025 CAT2 Hydrocarbons, Petroleum Maximum Daily (MDEL) limit is 100 ug/L and reported valu Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1132892 07/13/2024 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day p Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1113362 11/30/2022 Deficient Monitoring Nitrite, Total (as N) sample was collected, but not sent out to contracted lab. Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1143247 01/27/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1135634 09/12/2024 CAT1 Oil and Grease Instantaneous Maximum limit is 75 mg/L and reported value was 300 Violation N eSMR Edward C. Little Water Recycling Plant (Recycled Water Irrigation) 452909 R4-2023-0368 N
1145973 05/28/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 20 mg Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1131933 08/30/2023 Deficient Monitoring Creek chronic toxicity was not sampled and analyzed. Discharge occurred unexpect Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1148935 08/21/2025 CAT2 Copper, Total Recoverable Daily Maximum limit is 77 ug/L and reported value was Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1149292 08/28/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1140042 10/15/2024 CAT2 Hydrocarbons, Petroleum Maximum Daily (MDEL) limit is 100 ug/L and reported valu Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1131927 03/20/2023 Deficient Monitoring The laboratory sampled the Tapia Effluent for Total Nitrogen, Organic Nitrogen, Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1124206 10/26/2023 CAT2 Copper, Total Maximum Daily (MDEL) limit is 6.9 ug/L and reported value was 9.33 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1121775 08/11/2023 CTOX Chronic Toxicity-Inland Silverside-Growth Other limit is 0 Pass/Fail (Pass = 0, Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1127319 01/31/2024 OEV Total Coliform Geometric Mean of Minimum 5 Samples in 30-Days limit is 1000 MPN/ Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1148928 09/30/2025 Deficient Monitoring No samples were collected in September 2025 due to the plant being offline for p Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1141166 12/18/2024 Deficient Monitoring No weekly TSS result for the week of December 18th. A sample was collected and Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1113359 11/30/2022 Deficient Monitoring Analysis for Nitrite was not conducted by the contract lab and a second sample w Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1144825 04/02/2025 CAT1 Nitrite Plus Nitrate (as N) 4-Day Average (Mean) limit is 8 mg/L and reported va Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1145520 04/30/2025 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires sam Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1121776 08/11/2023 CTOX Chronic Toxicity-Inland Silverside-Survival Other limit is 0 Pass/Fail (Pass = 0 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1116698 03/31/2023 OEV Total Coliform 30-Day Geometric Mean limit is 1000 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1146017 06/03/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1116697 02/28/2023 CAT2 Nickel, Total Monthly Average limit is 8 ug/L and reported value was 9.18 ug/L a Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1139583 11/14/2024 Deficient Monitoring Dioxins and Furans samples were missed because the lab did not send the bottles Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1112134 10/11/2022 Deficient Monitoring The October Effluent sample was received in good condition at the BSK San Bernar Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1145126 05/02/2025 CAT2 Cyanide, Total (as CN) Maximum Daily (MDEL) limit is 1 ug/L and reported value w Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 N
1142631 02/13/2025 CAT2 Zinc, Total Daily Maximum limit is 80 ug/L and reported value was 360 ug/L at EF Violation N eSMR USC Marine Science Center 433199 R4-2024-0258 N
1102089 12/31/2021 Deficient Monitoring Total Dissolved Solids (TDS) Monthly Average limit is 2000.0 mg/L and reported v Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1124204 10/02/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1135968 07/18/2024 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1102082 11/30/2021 Deficient Monitoring Radiation, Gross Alpha Monthly Average (Mean) limit is 15.0 PCi/L and reported v Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1135167 07/31/2024 CAT2 Copper, Total Recoverable Monthly Average limit is 6.5 ug/L and reported value w Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1134977 09/12/2024 OEV Temperature Instantaneous Maximum limit is 80 Degrees F and reported value was 8 Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1113300 12/19/2022 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1146018 06/26/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1113353 11/30/2022 Deficient Monitoring Nitrate, Total (as N) sample was collected, but not sent out to contracted lab. Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1143269 02/14/2025 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Other limit is 50 % eff Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1113298 12/14/2022 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1124280 01/31/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value Violation N eSMR Avalon WWTF 424707 R4-2019-0023 N
1116692 03/31/2023 OEV Enterococci 30-Day Geometric Mean limit is 35 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1148320 07/09/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 20 mg Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1145492 06/18/2025 CAT2 Copper, Total Daily Maximum limit is 13.1 ug/L and reported value was 14 ug/L at Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1135165 08/08/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 26 lb Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1113289 12/31/2022 OEV Enterococci 30-Day Geometric Mean limit is 35 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1109928 08/31/2022 OEV Enterococci 30-Day Geometric Mean limit is 35 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1134510 07/23/2024 Deficient Monitoring The lab collected a composite sample for the 005 Effluent for chronic toxicity t Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1142871 02/13/2025 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1131893 07/31/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value Violation N eSMR Avalon WWTF 455133 R4-2024-0253 N
1131932 08/30/2023 Deficient Monitoring Creek chronic toxicity was not sampled and analyzed. Discharge occurred unexpect Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1143256 02/14/2025 CAT2 Zinc, Total Maximum Daily (MDEL) limit is 121 ug/L and reported value was 185 ug Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1116701 03/31/2023 CAT2 Copper, Total Monthly Average limit is 2.6 ug/L and reported value was 4.67 ug/L Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143239 02/07/2025 CAT1 Settleable Solids Maximum Daily (MDEL) limit is 0.3 ml/L and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1139752 11/30/2024 Deficient Monitoring Total Suspended Solids (TSS), Oil and Grease (O&G and Bis(2-ethylhexyl) phthalat Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1123450 11/30/2023 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Monthly Median limit is Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 N
1143263 03/04/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1115415 03/31/2023 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 0.6 mg/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1106093 04/30/2022 Deficient Monitoring Methylene Blue Active Substances (MBAS) Monthly Average limit is 0.5 mg/L and 0 Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1140045 10/31/2024 OEV Enterococci 30-Day Geometric Mean limit is 35 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1148322 07/31/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10 Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1139753 10/31/2024 Deficient Monitoring Total Suspended Solids (TSS), Oil and Grease (O&G), Copper, Iron and Bis(2-ethyl Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1144821 04/17/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 20 mg Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1135632 09/12/2024 CAT1 Oil and Grease Monthly Average (Mean) limit is 25 mg/L and reported value was 10 Violation N eSMR Edward C. Little Water Recycling Plant (Recycled Water Irrigation) 452909 R4-2023-0368 N
1148936 08/21/2025 CAT1 Settleable Solids Daily Maximum limit is 0.3 ml/L and reported value was 0.9 ml/ Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1114108 02/01/2023 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1113356 11/30/2022 Deficient Monitoring Analysis for Nitrite was not conducted by the contract lab and a second sample w Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1125022 11/16/2023 Deficient Monitoring Total Chromium and Chrome 6 samples were not collected on the same day. The cont Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1116700 01/31/2023 CAT2 Copper, Total Monthly Average limit is 2.6 ug/L and reported value was 6.19 ug/L Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1112202 12/31/2022 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 0.6 mg/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1121777 08/01/2023 CAT2 Mercury, Total Daily Maximum limit is 0.1 ug/L and reported value was 0.12 ug/L Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1113363 11/30/2022 Deficient Monitoring Analysis for Nitrite was not conducted by the contract lab and a second sample w Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1143246 03/06/2025 CAT2 Hydrocarbons, Petroleum Maximum Daily (MDEL) limit is 100 ug/L and reported valu Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1125021 11/16/2023 Deficient Monitoring Total Chromium and Chrome 6 samples were not collected on the same day. The cont Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1147194 06/25/2025 CAT1 Total Suspended Solids (TSS) Daily Maximum limit is 10 mg/L and reported value w Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1130851 04/22/2024 CAT2 Hydrocarbons, Petroleum Daily Maximum limit is 100 ug/L and reported value was 3 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143244 01/27/2025 OEV Turbidity Maximum Daily (MDEL) limit is 75 NTU and reported value was 260 NTU at Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1124283 01/12/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value Violation N eSMR Avalon WWTF 424707 R4-2019-0023 N
1135633 09/12/2024 CAT1 Oil and Grease Monthly Average (Mean) limit is 1080 lb/day and reported value wa Violation N eSMR Edward C. Little Water Recycling Plant (Recycled Water Irrigation) 452909 R4-2023-0368 N
1140044 10/09/2024 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1135164 08/08/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 10 mg Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1096143 09/27/2021 CTOX Chronic Toxicity-C.dubia-Reproduction Monthly Median limit is 0.0 Pass/Fail (Pas Violation N eSMR William E Warne Power Plant 399606 R4-2016-0224 N
1114495 12/31/2022 CTOX Chronic Toxicity (Species 3) Monthly Median limit is 0 Pass/Fail (Pass = 0, Fail Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1102079 11/30/2021 Deficient Monitoring Radium-226 + Radium-228 Monthly Average limit is 0 PCi/L and reported value was Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1143338 02/12/2025 Deficient Monitoring On February 12, 2025, a sample for mercury was collected, but was not analyzed d Violation N eSMR Harbor Generating Station 133396 R4-2003-0101 N
1127311 02/29/2024 CAT2 Copper, Total Monthly Average limit is 2.6 ug/L and reported value was 4.3 ug/L Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1138980 11/19/2024 CAT1 Ammonia, Total (as N) Instantaneous Maximum limit is 6000 ug/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1106094 04/30/2022 Deficient Monitoring Cobalt Thiocyanate Active Substances (CTAS) Monthly Average (Mean) limit is 0.0 Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1145978 05/31/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10 Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1113019 02/01/2023 Deficient Reporting The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1123646 12/31/2023 Deficient Monitoring The unit was not in operation for a portion of the month of December. After the Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1113365 11/30/2022 Deficient Monitoring Analysis for Nitrite was not conducted by the contract lab and a second sample w Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1125023 11/16/2023 Deficient Monitoring Total Chromium and Chrome 6 samples were not collected on the same day. The cont Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1126796 02/01/2024 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1113352 11/30/2022 Deficient Monitoring Analysis for Nitrite was not conducted by the contract lab and a second sample w Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1131931 08/30/2023 Deficient Monitoring Creek chronic toxicity was not sampled and analyzed. Discharge occurred unexpect Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1143254 01/27/2025 CAT2 Copper, Total Maximum Daily (MDEL) limit is 6.9 ug/L and reported value was 26.4 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143260 03/13/2025 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Other limit is 50 % sur Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1112201 12/06/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2.4 mg/L and reported value was 2.8 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1123448 11/27/2023 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Daily Maximum limit is Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 N
1143265 03/13/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1126794 01/31/2024 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1134414 08/27/2024 CAT1 Ammonia, Total (as N) Instantaneous Maximum limit is 6000 mg/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1112198 12/21/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2.4 mg/L and reported value was 3.0 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1118470 04/30/2023 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 600 ug/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1143983 03/19/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 M Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1138995 10/16/2024 Deficient Monitoring The weekly settleable solids for the 005 Effluent grab was collected but not ana Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1113294 12/15/2022 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1119215 06/27/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1116249 05/01/2023 Deficient Reporting The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1130332 08/01/2024 Deficient Reporting The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1130201 04/25/2024 CAT2 Copper, Total Monthly Average limit is 29 ug/L and reported value was 35 ug/L at Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1139673 11/30/2024 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 9 ug/L at Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1134608 07/01/2024 Deficient Monitoring The July monthly sample for EFF-001 was inadvertently missed due to an oversight Violation N eSMR Pebbly Beach Desalination Plant 405114 R4-2019-0145 N
1129359 04/30/2024 CAT1 Total Dissolved Solids (TDS) Monthly Average (Mean) limit is 850 mg/L and report Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1128087 03/31/2024 CAT1 Sulfate, Total (as S) Monthly Average (Mean) limit is 250 mg/L and reported valu Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1118433 04/28/2023 Deficient Monitoring No data was recorded for Total Residual Chlorine on April 28, 2023 due to a lab Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1143249 02/07/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1123449 11/29/2023 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Daily Maximum limit is Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 N
1131930 08/30/2023 Deficient Monitoring Creek chronic toxicity was not sampled and analyzed. Discharge occurred unexpect Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1123254 11/28/2023 CAT1 Ammonia, Total (as N) Instantaneous Maximum limit is 6000 ug/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1113295 12/15/2022 CAT2 Hydrocarbons, Petroleum Maximum Daily (MDEL) limit is 100 ug/L and reported valu Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1121784 08/31/2023 OEV Total Coliform Geometric Mean of Minimum 5 Samples in 30-Days limit is 1000 MPN/ Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1113018 02/01/2023 Deficient Reporting The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1135171 08/31/2024 Deficient Monitoring Total Cyanide and TCDD (Dioxin) are required to be sampled and analyzed on an An Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1119218 06/06/2023 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143261 02/07/2025 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Other limit is 0 Pass/F Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1115413 03/14/2023 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2.4 mg/L and reported value was 3.7 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1113020 02/01/2023 Deficient Reporting The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1135966 07/10/2024 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143267 02/14/2025 CAT2 Copper, Total Maximum Daily (MDEL) limit is 6.9 ug/L and reported value was 13.7 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143257 03/13/2025 CAT2 Copper, Total Maximum Daily (MDEL) limit is 6.9 ug/L and reported value was 11.9 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1146021 04/26/2025 CAT2 Zinc, Total Maximum Daily (MDEL) limit is 121 ug/L and reported value was 417 ug Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143273 02/04/2025 CAT2 Cyanide, Total (as CN) Monthly Average (Mean) limit is 4.1 ug/L and reported val Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1134508 07/16/2024 Deficient Monitoring The July Oil and Grease sample for the 005 Effluent was missed. The Semi-Annual Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1148323 07/31/2025 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 5.0 mg/L and reported valu Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1102084 11/30/2021 Deficient Monitoring Radiation, Gross Beta Monthly Average limit is 4 millirem/year and reported valu Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1127312 01/02/2024 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1134509 07/15/2024 Deficient Monitoring Lab staff forgot to collect and analyze the daily grab sample for chlorine resid Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1143264 03/07/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1113354 11/30/2022 Deficient Monitoring Analysis for Nitrite was not conducted by the contract lab and a second sample w Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1138988 10/15/2024 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 18 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1119221 06/12/2023 CAT2 Hydrocarbons, Petroleum Maximum Daily (MDEL) limit is 100 ug/L and reported valu Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1135969 07/23/2024 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143270 03/13/2025 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Other limit is 0 Pass/F Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1121778 08/07/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1127316 01/31/2024 OEV Enterococci Geometric Mean of Minimum 5 Samples in 30-Days limit is 35 MPN/100 m Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1135970 07/30/2024 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1124208 10/31/2023 CAT2 Copper, Total Monthly Average limit is 2.6 ug/L and reported value was 5.97 ug/L Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143259 03/06/2025 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Other limit is 0 Pass/F Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1142415 03/13/2025 OEV Turbidity Daily Maximum limit is 25 NTU and reported value was 330 NTU at EFF-00 Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1142872 03/11/2025 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1113302 12/14/2022 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1140025 11/05/2024 Deficient Monitoring Bis2 was collected on 11/05/24 for the OO5 Effluent and sent out to the contract Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1116247 05/01/2023 Deficient Reporting The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1119222 04/30/2023 CAT2 Copper, Total Monthly Average limit is 2.6 ug/L and reported value was 4.38 ug/L Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1145972 05/29/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 20 mg Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1116691 01/31/2023 CAT2 Copper, Total Maximum Daily (MDEL) limit is 6.9 ug/L and reported value was 7.28 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1123252 11/30/2023 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 600.0 ug/L and reported va Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1135631 09/12/2024 CAT1 Oil and Grease Weekly Average limit is 1730 lb/day and reported value was 6630.3 Violation N eSMR Edward C. Little Water Recycling Plant (Recycled Water Irrigation) 452909 R4-2023-0368 N
1127317 01/02/2024 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1144816 04/02/2025 Deficient Monitoring This sample was received unpreserved and with the recommended holding time for p Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1144814 04/02/2025 Deficient Monitoring This sample was received unpreserved and with the recommended holding time for p Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1148865 07/31/2025 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 8.7 ug/L Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1124284 01/19/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value Violation N eSMR Avalon WWTF 424707 R4-2019-0023 N
1102088 12/07/2021 Surface Water Sample was never analyzed. The incorrect sample was sent out to contract lab for Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1121783 08/25/2023 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1146019 06/30/2025 OEV Total Coliform 30-Day Geometric Mean limit is 1000 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1145971 05/07/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 20 mg Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1125278 02/29/2024 CAT1 Total Suspended Solids (TSS), Percent Removal Monthly Average limit is 85 % and Violation N eSMR Avalon WWTF 424707 R4-2019-0023 N
1124233 12/16/2023 Deficient Monitoring pH not sampled on 12/16/23, required daily. Violation N eSMR Harbor Generating Station 133396 R4-2003-0101 N
1138983 10/15/2024 CAT1 Ammonia, Total (as N) Instantaneous Maximum limit is 6000 ug/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1116225 03/31/2023 Deficient Monitoring The dissolved oxygen was not monitored on 2/2/23 due to issues with the monitori Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1124207 10/18/2023 CAT2 Copper, Total Maximum Daily (MDEL) limit is 6.9 ug/L and reported value was 7.77 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1135168 08/31/2024 CAT2 Copper, Total Recoverable Monthly Average limit is 6.5 ug/L and reported value w Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1113291 11/14/2022 CAT2 Lead, Total Maximum Daily (MDEL) limit is 14 ug/L and reported value was 33.3 ug Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1129360 04/30/2024 CAT1 Sulfate, Total (as S) Monthly Average (Mean) limit is 250 mg/L and reported valu Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1139750 10/31/2024 Deficient Monitoring Total Suspended Solids (TSS), Oil and Grease (O&G and Bis(2-ethylhexyl) phthalat Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1116248 01/31/2023 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1138984 11/04/2024 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 32 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1148319 07/01/2025 CAT2 Chlorine, Total Residual Daily Maximum limit is 0.1 mg/L and reported value was Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1138990 11/12/2024 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 79 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1138987 11/30/2024 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 600 ug/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1148938 08/21/2025 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.005 lb/day and repor Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1147196 06/12/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 20 mg Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1149296 08/13/2025 CAT2 Hydrocarbons, Petroleum Maximum Daily (MDEL) limit is 100 ug/L and reported valu Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1123651 11/15/2023 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1146015 06/30/2025 OEV Enterococci 30-Day Geometric Mean limit is 35 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1143242 01/27/2025 CAT2 Hydrocarbons, Petroleum Maximum Daily (MDEL) limit is 100 ug/L and reported valu Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1119223 05/31/2023 CAT2 Copper, Total Monthly Average limit is 2.6 ug/L and reported value was 3.45 ug/L Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1113296 11/30/2022 CAT2 Zinc, Total Monthly Average limit is 76 ug/L and reported value was 111 ug/L at Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1109927 08/29/2022 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1126292 02/14/2024 CTOX Chronic Toxicity-Sea Urchin or Sand Dollar-Fertilization Maximum Daily (MDEL) li Violation N eSMR Long Beach Generating Station 447843 R4-2022-0159 N
1116695 03/17/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1138981 11/26/2024 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 81 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1131935 08/30/2023 Deficient Monitoring Creek chronic toxicity was not sampled and analyzed. Discharge occurred unexpect Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1134410 08/31/2024 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 600 ug/L and reported valu Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1134979 08/22/2024 OEV pH Instantaneous Maximum limit is 8.7 SU and reported value was 9.0 SU at EFF-00 Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1124205 10/18/2023 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1134413 08/27/2024 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 12 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1112195 11/01/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2.4 mg/L and reported value was 2.8 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1149294 08/31/2025 OEV Enterococci Geometric Mean of Minimum 5 Samples in 30-Days limit is 35 MPN/100 m Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1146012 06/12/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1127320 03/05/2024 CAT1 Oil and Grease Maximum Daily (MDEL) limit is 15 mg/L and reported value was 18 m Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1148932 08/21/2025 OEV Turbidity Monthly Average limit is 5 NTU and reported value was 20.55 NTU at EFF Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1143266 01/27/2025 CAT2 Zinc, Total Maximum Daily (MDEL) limit is 121 ug/L and reported value was 270 ug Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1116699 01/13/2023 CAT2 Copper, Total Maximum Daily (MDEL) limit is 6.9 ug/L and reported value was 11.4 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1149327 08/20/2025 OEV Enterococci 10% for 30 days limit is 110 MPN/100 mL and reported value was 340 M Violation N eSMR USC Marine Science Center 433199 R4-2024-0258 N
1144819 04/17/2025 CAT1 Nitrite Plus Nitrate (as N) Monthly Average limit is 8.0 mg/L and reported value Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1109926 08/10/2022 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1121580 11/01/2023 Deficient Reporting Annual Priority Pollutants for RO System (INT-001B) were collected on 8/8/23. Ho Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1114107 02/01/2023 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1148930 09/30/2025 Deficient Monitoring No samples were collected in September 2025 due to the plant being offline for p Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1124202 10/02/2023 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1113299 12/27/2022 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1112196 12/13/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2.4 mg/L and reported value was 3.5 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1126795 02/01/2024 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1144822 04/23/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 20 mg Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1144815 04/02/2025 Deficient Monitoring This sample was received unpreserved and with the recommended holding time for p Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1148792 08/18/2025 Deficient Monitoring For the week of August 18th, the weekly bacteriological sample at EFF-001 was mi Violation N eSMR Pebbly Beach Desalination Plant 405114 R4-2019-0145 N
1116246 02/22/2023 Deficient Monitoring The Scattergood Generation Station (SGS) NPDES Permit No. CA0000370 requires the Violation N eSMR Scattergood Generating Station 395771 R4-2016-0055 N
1146007 06/12/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1125976 01/01/2024 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 27 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1113301 11/14/2022 CAT2 Nickel, Total Maximum Daily (MDEL) limit is 9.5 ug/L and reported value was 10.6 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1144812 04/02/2025 Deficient Monitoring This sample was received unpreserved and with the recommended holding time for p Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1124201 10/31/2023 OEV Enterococci Geometric Mean of Minimum 5 Samples in 30-Days limit is 35.0 MPN/100 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1112200 11/08/2022 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2.4 mg/L and reported value was 2.8 Violation N eSMR San Nicolas Island Desalination Plant 148233 00-074 N
1125020 11/16/2023 Deficient Monitoring Total Chromium and Chrome 6 samples were not collected on the same day. The cont Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1145975 05/31/2025 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 5.0 mg/L and reported valu Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1116661 02/27/2023 Deficient Monitoring The Harbor Generating Station (HGS) NPDES Permit No. CA000036 requires the efflu Violation N eSMR Harbor Generating Station 133396 R4-2003-0101 N
1124133 11/07/2023 Deficient Monitoring Nitrate+Nitrite and Nitrite samples were collected on 11/7/2023. The Nitrite sam Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1146014 04/26/2025 CAT2 Copper, Total Maximum Daily (MDEL) limit is 6.9 ug/L and reported value was 41.5 Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1121510 08/05/2023 Deficient Monitoring A sample for pH, temperature, and dissolved oxygen was not collected during the Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1147195 06/30/2025 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 5.0 mg/L and reported valu Violation N eSMR Tapia WRF 413302 R4-2017-0124 N
1148864 09/30/2025 CAT2 Copper, Total Monthly Average limit is 6.5 ug/L and reported value was 11.6 ug/L Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1148867 09/30/2025 CAT2 Copper, Total Monthly Average limit is 0.01 lb/day and reported value was 0.02 l Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1149295 08/26/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1142632 02/14/2025 OEV Enterococci Not to exceed a specific limit in more than 10% of samples within an Violation N eSMR USC Marine Science Center 433199 R4-2024-0258 N
1146013 06/17/2025 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N eSMR New Dock Street Pump Station 419914 R4-2019-0054 N
1135629 09/12/2024 CAT1 Oil and Grease Instantaneous Maximum limit is 3250 lb/day and reported value was Violation N eSMR Edward C. Little Water Recycling Plant (Recycled Water Irrigation) 452909 R4-2023-0368 N
1118419 04/30/2023 Deficient Monitoring Laboratory staff had sent weekly samples (4/11, 4/18, & 4/25) to be analyzed for Violation N eSMR Simi Valley WQCP 427894 R4-2019-0135 N
1135166 09/30/2024 CAT2 Copper, Total Recoverable 1-Hour Average (Mean) limit is 6.5 ug/L and reported v Violation N eSMR Castaic Power Plant 382500 R4-2013-0093 N
1148931 09/30/2025 Deficient Monitoring No samples were collected in September 2025 due to the plant being offline for p Violation N eSMR William E Warne Power Plant 446992 R4-2022-0237 N
1149079 11/05/2025 Late Report The report was submitted 447 days late. Violation N Report Santa Monica & Vermont Apartments 446627 R4-2018-0125 N
1140027 02/20/2024 Late Report Annual SMR ( MONRPT ) (Biosolids Report) report for 2024 (2955863) was due on 1 Violation None Report Avalon WWTF 455133 R4-2024-0253 N
1146773 08/29/2025 Late Report The report was submitted 14 days late. Violation N Report Adventure Park - South Discharge 443597 R4-2018-0125 N
1117869 02/23/2021 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 19 Violation N Report San Nicolas Island Desalination Plant 148233 00-074 N
1103169 11/02/2021 Late Report Report was submitted 1 day late. Violation N Report William E Warne Power Plant 399606 R4-2016-0224 N
1149075 11/05/2025 Late Report The report was submitted 538 days late Violation N Report Santa Monica & Vermont Apartments 446627 R4-2018-0125 N
1145578 08/04/2025 Late Report The self-monitoring report was submitted 80 days past the due date. Violation N Report 645 N. Robertson Blvd. 444237 R4-2018-0125 N
1103128 06/30/2021 Deficient Monitoring The facility experienced a power outage due to State Water Project Operations Co Violation N Report William E Warne Power Plant 399606 R4-2016-0224 N
1145808 08/08/2025 Late Report The report was submitted 358 days past the due date. Violation N Report 4632 Santa Monica 444513 R4-2018-0125 N
1120971 12/02/2022 Deficient Monitoring The 11/16/2022 MBAS sample was analyzed outside of holding time as indicated in Violation N Report La Peer 444603 R4-2018-0125 N
1097434 11/30/2021 Late Report Report was submitted 16 days late. Violation N Report Pandora Apartments 444279 R4-2018-0125 N
1116428 12/31/2022 CTOX Chronic Toxicity Monthly Median limit is 0 Pass/Fail (Pass = 0, Fail = 1) and re Violation N Report New Dock Street Pump Station 419914 R4-2019-0054 N
1127072 06/30/2023 Deficient Monitoring The last discharge of treated groundwater was June 16, 2023, per the self-monito Violation N Report La Peer 444603 R4-2018-0125 N
1121941 10/30/2023 Late Report The report was submitted 77 days late. Violation N Report The Beach Club 444276 R4-2018-0125 N
1117868 01/26/2021 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 72 Violation N Report San Nicolas Island Desalination Plant 148233 00-074 N
1101917 02/15/2022 Late Report Report was submitted 1 day late. Violation N Report Adventure Park - South Discharge 443597 R4-2018-0125 N
1117867 01/21/2021 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 11 Violation N Report San Nicolas Island Desalination Plant 148233 00-074 N
1109139 05/03/2021 Late Report Report was submitted 2 days late. Violation N Report Scattergood Generating Station 395771 R4-2016-0055 N
1144929 07/17/2025 Late Report The report was submitted 152 days later. Violation N Report 8920 Sunset Boulevard, LLC 436011 R4-2018-0125 N
1101915 03/04/2022 Late Report Report was submitted 17 days late. Violation N Report Water Well 15 435877 R4-2018-0125 N
1117715 02/28/2022 Deficient Monitoring Total Suspended Solids was collected at EFF-003, but the sample was not analyzed Violation N Report Castaic Power Plant 382500 R4-2013-0093 N
1118247 12/02/2020 CTOX Chronic Toxicity Maximum Daily (MDEL) limit is 0.0 Pass/Fail (Pass = 0, Fail = 1 Violation N Report Simi Valley WQCP 427894 R4-2019-0135 N
1140473 08/01/2024 CAT2 Hydrocarbons, Petroleum Daily Maximum limit is 100 ug/L and reported value was 1 Violation N Report New Dock Street Pump Station 419914 R4-2019-0054 N
1104507 05/17/2021 Late Report Submitted 2 days late. Violation N Report Tsumas Creek Improvement Project (J Street Storm Drain) 387811 R4-2018-0125 N
1097831 12/07/2021 Late Report Report was submitted 23 days late; No Flow report. Violation N Report Adventure Park - South Discharge 443597 R4-2018-0125 N
1140857 11/16/2022 Deficient Monitoring The November 16, 2022 MBAS (surfactants) sample analysis was conducted outside o Violation N Report Easy Street Industrial Park 444236 R4-2018-0125 N
1145812 08/08/2025 Late Report The report was submitted 84 days past the due date. Violation N Report 4632 Santa Monica 444513 R4-2018-0125 N
1143224 11/14/2024 Late Report The self-monitoring report was submitted 175 days past the due date. Violation N Report 9908 Santa Monica Blvd 446067 R4-2018-0125 N
1107989 06/30/2022 Deficient Monitoring E. Coli was not measured within the 2nd quarter 2022 time frame. Violation N Report Whittier Narrows Dam Utilities Replacement Project 446293 R4-2018-0125 N
1117716 05/02/2022 Late Report Report submitted 1 day late. Violation N Report Castaic Power Plant 382500 R4-2013-0093 N
1117872 03/30/2021 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 10 Violation N Report San Nicolas Island Desalination Plant 148233 00-074 N
1106811 04/30/2021 Deficient Monitoring The following parameters were not sampled nor analyzed during this reporting per Violation N Report Tsumas Creek Improvement Project (J Street Storm Drain) 387811 R4-2018-0125 N
1117632 05/16/2022 Late Report First quarter 2022 was submitted one day late. Violation N Report Harbor Generating Station 133396 R4-2003-0101 N
1127068 04/15/2024 Late Report The self-monitoring report due date was 02/14/2024. The self-monitoring report w Violation N Report La Peer 444603 R4-2018-0125 N
1117865 12/15/2020 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 71 Violation N Report San Nicolas Island Desalination Plant 148233 00-074 N
1139985 01/29/2025 Late Report The self-monitoring report was submitted 76 days after the due date. The due dat Violation N Report Easy Street Industrial Park 444236 R4-2018-0125 N
1106486 06/30/2021 Deficient Monitoring Acute Toxicity was not sampled nor analyzed during reporting period. Violation N Report Water Well 15 435877 R4-2018-0125 N
1128674 02/15/2024 Late Report Fourth Quarter 2023 report was submitted 1 day late. Violation N Report Playa Vista Site 194108 R4-2018-0087 N
1106215 05/31/2022 Late Report Report was submitted 16 days late. Violation N Report Tsumas Creek Improvement Project (J Street Storm Drain) 387811 R4-2018-0125 N
1146453 08/26/2025 Late Report The report was submitted 467 days late. Violation N Report 5868 W Jefferson Blvd 446885 R4-2018-0125 N
1122942 10/31/2022 CTOX Chronic Toxicity (Species 3) Monthly Median limit is 0.0 Pass/Fail (Pass = 0, Fa Violation N Report Simi Valley WQCP 427894 R4-2019-0135 N
1127067 04/15/2024 Late Report The self-monitoring report due date was 11/14/2023. The self-monitoring report w Violation N Report La Peer 444603 R4-2018-0125 N
1117873 01/21/2021 CAT1 Ammonia, Total (as N) Instantaneous Maximum limit is 6000 ug/L and reported valu Violation N Report San Nicolas Island Desalination Plant 148233 00-074 N
1103131 06/30/2021 Deficient Monitoring The facility experienced a power outage due to State Water Project Operations Co Violation N Report William E Warne Power Plant 399606 R4-2016-0224 N
1104508 05/17/2021 Late Report Submitted 2 days late. Violation N Report Ferro Ditch Improvements Project 435260 R4-2018-0125 N
1140465 04/25/2024 CTOX Chronic Toxicity Monthly Median limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and Violation N Report New Dock Street Pump Station 419914 R4-2019-0054 N
1101916 03/04/2022 Late Report Report was submitted 1 day late. Violation N Report Adventure Park - North Discharge 443596 R4-2018-0125 N
1141882 04/16/2023 Late Report Annual SMR ( MONNPDES ) report for 2022 (2977732) was due on 15-APR-23 Violation None Report Newhall Ranch WRP 422406 R4-2019-0077 N
1116296 10/27/2021 CAT2 Zinc, Total Recoverable Daily Maximum limit is 121 ug/L and reported value was 2 Violation N Report New Dock Street Pump Station 419914 R4-2019-0054 N
1129109 03/06/2024 Deficient Monitoring pH was analyzed outside of 15 minute holding time for March. Violation N Report Playa Vista Site 194108 R4-2018-0087 N
1140717 10/26/2023 Late Report The report was initially submitted 164 days late. It was requested to have this Violation N Report Easy Street Industrial Park 444236 R4-2018-0125 N
1147056 08/28/2025 Late Report The report was submitted 104 days late. Violation N Report Rossmore Development, LLC 444622 R4-2018-0125 N
1106487 08/15/2021 Late Report Report was submitted 1 day late. Violation N Report Water Well 15 435877 R4-2018-0125 N
1117870 03/18/2021 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 28 Violation N Report San Nicolas Island Desalination Plant 148233 00-074 N
1102249 03/15/2022 Late Report Report was submitted 28 days late. Violation N Report 495 Hartford 444574 R4-2018-0125 N
1101892 03/09/2022 Late Report Report was submitted 22 days late. Violation N Report Los Angeles River Invert 437707 R4-2018-0125 N
1144930 07/17/2025 Late Report The report was submitted 518 days late. Violation N Report 8920 Sunset Boulevard, LLC 436011 R4-2018-0125 N
1117340 08/02/2021 Late Report Second quarter 2021 was submitted one day late. Violation N Report Scattergood Generating Station 395771 R4-2016-0055 N
1144925 07/17/2025 Late Report The report was submitted 427 days past due date. Violation N Report 8920 Sunset Boulevard, LLC 436011 R4-2018-0125 N
1133039 06/30/2024 Deficient Monitoring Discharge occurred in April, May, and early June 2024. The Permittee had the opp Violation N Report Adventure Park - South Discharge 443597 R4-2018-0125 N
1103167 08/30/2021 CTOX Chronic Toxicity-C.dubia-Reproduction Maximum Daily (MDEL) limit is 0.0 Pass/Fai Violation N Report William E Warne Power Plant 399606 R4-2016-0224 N
1117344 12/31/2021 Deficient Reporting Missing tributyltin and benzo[k]fluoranthene with required frequencies of once p Violation N Report Scattergood Generating Station 395771 R4-2016-0055 N
1128056 12/31/2023 Deficient Monitoring Acute Toxicity not analyzed in 2023, required annually. Violation N Report 4632 Santa Monica 444513 R4-2018-0125 N
1120022 02/14/2023 Late Report The 3Q 2022 self-monitoring report was submitted 91 days late. Violation N Report 5237 W. Jefferson Blvd 446959 R4-2018-0125 N
1143223 08/14/2024 Late Report The self-monitoring report was submitted 267 days past the due date. Violation N Report 9908 Santa Monica Blvd 446067 R4-2018-0125 N
1134501 10/01/2024 Late Report Once Only OneTime ( TECHRPT ) (Notification of Participation with Regional ASBS Violation None Report USC Marine Science Center 433199 R4-2024-0258 N
1097622 12/02/2021 Late Report Reported submitted 18 days late. Violation N Report 4632 Santa Monica 444513 R4-2018-0125 N
1146405 08/22/2025 Late Report The report was submitted 188 days late. Violation N Report 495 Hartford 444574 R4-2018-0125 N
1146772 08/29/2025 Late Report The report was submitted 14 days late. Violation N Report Adventure Park - North Discharge 443596 R4-2018-0125 N
1143119 06/28/2024 Deficient Monitoring pH was not monitored for the week of June 24 - 28, 2024 for EFF-005. Violation N Report Tapia WRF 413302 R4-2017-0124 N
1126973 03/31/2024 Deficient Monitoring The following parameters were not analyzed, despite discharge being reported, fo Violation N Report William E Warne Power Plant 446992 R4-2022-0237 N
1116201 11/30/2020 Deficient Reporting pH and residual chlorine analyzed outside of holding time for November. Violation N Report Playa Vista Site 194108 R4-2018-0087 N
1102131 03/11/2022 Late Report The report was submitted 24 days late. Violation N Report Rossmore Development, LLC 444622 R4-2018-0125 N
1144757 07/01/2025 Late Report Once Only OneTime ( TECHRPT ) (Climate Change Effects Vulnerability Assessment a Violation None Report Avalon WWTF 455133 R4-2024-0253 N
1107988 05/10/2022 Deficient Reporting No field documentation in the report that demonstrates that pH, total residual c Violation N Report Whittier Narrows Dam Utilities Replacement Project 446293 R4-2018-0125 N
1117342 06/30/2021 Deficient Reporting Missing tributyltin and benzo[k]fluoranthene with required frequencies of once p Violation N Report Scattergood Generating Station 395771 R4-2016-0055 N
1146454 08/26/2025 Late Report The report was submitted 376 days late. Violation N Report 5868 W Jefferson Blvd 446885 R4-2018-0125 N
1117871 03/23/2021 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 10 Violation N Report San Nicolas Island Desalination Plant 148233 00-074 N
1146403 11/15/2024 Late Report The report was submitted a day late. Violation N Report 495 Hartford 444574 R4-2018-0125 N
1103130 06/30/2021 Deficient Monitoring The facility experienced a power outage due to State Water Project Operations Co Violation N Report William E Warne Power Plant 399606 R4-2016-0224 N
1146746 08/31/2025 Late Report The report was submitted 384 days late. Violation N Report Whittier Narrows Dam Utilities Replacement Project 446293 R4-2018-0125 N
1116103 08/16/2021 Late Report Second quarter 2021 report was submitted two days late. Violation N Report Playa Vista Site 194108 R4-2018-0087 N
1097832 12/07/2021 Late Report Report was submitted 23 days late. Violation N Report Adventure Park - North Discharge 443596 R4-2018-0125 N
1122949 12/05/2022 CTOX Chronic Toxicity (Species 3) Maximum Daily (MDEL) limit is 49.99 % effect and re Violation N Report Simi Valley WQCP 427894 R4-2019-0135 N
1143221 05/16/2024 Late Report The self-monitoring report was submitted 358 days past the due date. Violation N Report 9908 Santa Monica Blvd 446067 R4-2018-0125 N
1134319 06/30/2024 Deficient Monitoring Turbidity, BOD5 20C, Settleable Solids, and MBAS analyzed outside of holding tim Violation N Report 495 Hartford 444574 R4-2018-0125 N
1097827 12/06/2021 Late Report Report submitted 22 days late. Violation N Report Water Well 15 435877 R4-2018-0125 N
1146103 07/31/2024 CAT1 Total Suspended Solids (TSS), Percent Removal Monthly Average limit is 85 % and Violation N Report Avalon WWTF 455133 R4-2024-0253 N
1145577 01/07/2025 Late Report The self-monitoring report was submitted 53 days past the due date. Violation N Report 645 N. Robertson Blvd. 444237 R4-2018-0125 N
1128639 02/16/2024 Late Report 4th Quarter 2023 report was submitted 2 days late. Violation N Report Adventure Park - South Discharge 443597 R4-2018-0125 N
1130353 02/20/2024 Late Report Annual SMR ( MONRPT ) (Biosolids Report) report for 2024 (2870405) was due on 1 Violation None Report Avalon WWTF 455133 R4-2024-0253 N
1127992 01/31/2024 Deficient Monitoring Flow for EFF-002 was not verified, hence unknown, for the precipitation events t Violation N Report USC Marine Science Center 387530 R4-2013-0172 N
1140474 08/01/2024 OEV Enterococci Single Sample Maximum limit is 104 MPN/100 mL and reported value was Violation N Report New Dock Street Pump Station 419914 R4-2019-0054 N
1128919 12/31/2023 Deficient Monitoring Copper TR, Lead TR, Zinc TR, and E. coli Density not analyzed during the quarter Violation N Report Adventure Park - South Discharge 443597 R4-2018-0125 N
1132858 10/13/2023 Deficient Monitoring Deficient Monitoring for Nitrate and Nitrite since the values were reported with Violation N Report Los Angeles Forebay Perchlorate and VOC Cleanup Facility 445770 R4-2018-0125 N
1128713 03/11/2024 Late Report Fourth Quarter 2023 report was 26 days late. Violation N Report Pandora Apartments 444279 R4-2018-0125 N
1102132 03/11/2022 Late Report Report was submitted 25 days late. Violation N Report Tsumas Creek Improvement Project (J Street Storm Drain) 387811 R4-2018-0125 N
1145576 01/07/2025 Late Report The self-monitoring report was submitted 145 days past the due date. Violation N Report 645 N. Robertson Blvd. 444237 R4-2018-0125 N
1134500 10/01/2024 Late Report Once Only OneTime ( TECHRPT ) (Updated Stormwater Management Plan (SWMP) which i Violation None Report USC Marine Science Center 433199 R4-2024-0258 N
1117866 12/22/2020 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 90 Violation N Report San Nicolas Island Desalination Plant 148233 00-074 N
1145575 01/07/2025 Late Report The self-monitoring report was submitted 236 days past the due date. Violation N Report 645 N. Robertson Blvd. 444237 R4-2018-0125 N
1097443 11/17/2021 Late Report Report was submitted 3 days late. Violation N Report 645 N. Robertson Blvd. 444237 R4-2018-0125 N
1113638 03/31/2022 Deficient Reporting Oil and Grease, Total Organic Carbon, and Total Dissolved Solids were sampled, p Violation N Report Avalon WWTF 424707 R4-2019-0023 N
1101896 03/09/2022 Late Report Report was submitted 22 days late. Violation N Report Ferro Ditch Improvements Project 435260 R4-2018-0125 N
1120021 09/01/2022 Late Report The 2Q 2022 self-monitoring report was submitted 17 days late. Violation N Report 5237 W. Jefferson Blvd 446959 R4-2018-0125 N
1141958 05/10/2024 Deficient Monitoring The following parameters were analyzed outside of holding time in May 2024: turb Violation N Report Pandora Apartments 444279 R4-2018-0125 N
1139984 01/29/2025 Late Report The self-monitoring report was submitted 168 days late. The due date for the sel Violation N Report Easy Street Industrial Park 444236 R4-2018-0125 N
1103129 06/30/2021 Deficient Monitoring The facility experienced a power outage due to State Water Project Operations Co Violation N Report William E Warne Power Plant 399606 R4-2016-0224 N
1144927 07/17/2025 Late Report The report was submitted 336 days late. Violation N Report 8920 Sunset Boulevard, LLC 436011 R4-2018-0125 N
1128918 12/31/2023 Deficient Monitoring pH, Temperature, Total Suspended Solids, Turbidity, Biochemical Oxygen Demand, O Violation N Report Adventure Park - South Discharge 443597 R4-2018-0125 N
1128197 05/17/2024 Late Report Annual SMR ( TECHRPT ) (Compliance Schedule Prog Rpt) report for 2023 (2674058) Violation None Report Tapia WRF 413302 R4-2017-0124 N
1116294 10/27/2021 CAT2 Copper, Total Recoverable Daily Maximum limit is 6.9 ug/L and reported value was Violation N Report New Dock Street Pump Station 419914 R4-2019-0054 N
1101924 12/28/2020 Deficient Monitoring No data reported for the December 2020 Oil and Grease parameter. Sample was inva Violation N Report Tapia WRF 193256 R4-2023-0429 N
1140254 03/31/2024 CAT1 Oil and Grease Monthly Average limit is 10 mg/L and reported value was 18 mg/L a Violation N Report New Dock Street Pump Station 419914 R4-2019-0054 N
1145809 08/08/2025 Late Report The report was submitted 266 days past the due date. Violation N Report 4632 Santa Monica 444513 R4-2018-0125 N
1134502 10/01/2024 Late Report Once Only OneTime ( TECHRPT ) (Initial Investigation TRE Work Plan) report for 2 Violation None Report USC Marine Science Center 433199 R4-2024-0258 N
1129160 02/02/2024 Late Report Annual SMR ( MONRPT ) (Subtidal Sediment Monitoring) report for 2024 (2859948) Violation None Report USC Marine Science Center 433199 R4-2024-0258 N
1140714 10/26/2023 Late Report The initial submission of this report was submitted 73 days late. The report was Violation N Report Easy Street Industrial Park 444236 R4-2018-0125 N
1117743 11/30/2022 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.01 lb/day and report Violation N Report Castaic Power Plant 382500 R4-2013-0093 Y
1119463 12/31/2021 CAT1 Ammonia, Total (as N) Monthly Average limit is 0.73 mg/L and reported value was Violation N Report Long Beach Generating Station 396134 R4-2016-0121 Y
1127271 07/31/2022 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 24 ug/L and reported v Violation N Report William E Warne Power Plant 399606 R4-2016-0224 Y
1143928 04/30/2023 CAT2 TCDD Equivalents Monthly Average limit is 0.0000000024 lb/day and reported value Violation N Report Avalon WWTF 424707 R4-2019-0023 Y
1106799 07/31/2021 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reporte Violation N Report Avalon WWTF 424707 R4-2019-0023 Y
1117707 11/16/2021 CAT2 Copper, Total Recoverable Daily Maximum limit is 0.02 lb/day and reported value Violation N Report Castaic Power Plant 382500 R4-2013-0093 Y
1117718 08/31/2022 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.01 lb/day and report Violation N Report Castaic Power Plant 382500 R4-2013-0093 Y
1122961 01/30/2023 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 2.8 NTU at Violation N Report Simi Valley WQCP 427894 R4-2019-0135 Y
1127797 01/31/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Maximum Daily (MDEL) limit i Violation N Report Los Angeles Forebay Perchlorate and VOC Cleanup Facility 445770 R4-2018-0125 Y
1128548 04/12/2024 Late Report Third Quarter 2023 report was submitted 150 days late. Violation N Report 495 Hartford 444574 R4-2018-0125 Y
1128551 01/22/2024 CAT1 Sulfate, Total (as SO4) Maximum Daily (MDEL) limit is 350.0 mg/L and reported va Violation N Report 495 Hartford 444574 R4-2018-0125 Y
1140770 10/26/2023 Late Report The self-monitoring report was submitted 618 days late. Violation N Report Easy Street Industrial Park 444236 R4-2018-0125 Y
1106801 07/16/2021 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported Violation N Report Avalon WWTF 424707 R4-2019-0023 Y
1122946 11/22/2022 CAT1 Ammonia, Total (as N) Maximum Daily (MDEL) limit is 3.3 mg/L and reported value Violation N Report Simi Valley WQCP 427894 R4-2019-0135 Y
1128550 12/31/2023 CAT2 Selenium, Total Monthly Average limit is 4.0 ug/L and reported value was 72.0 ug Violation N Report 495 Hartford 444574 R4-2018-0125 Y
1128643 01/31/2024 CAT1 Oil and Grease Maximum Daily (MDEL) limit is 15.0 mg/L and reported value was 17 Violation N Report Adventure Park - South Discharge 443597 R4-2018-0125 Y
1130850 05/31/2023 Deficient Monitoring The laboratory accidentally missed collecting this sample for Bis (2-Ethylhexyl) Violation N Report Tapia WRF 413302 R4-2017-0124 Y
1133041 01/31/2024 CAT1 Oil and Grease Monthly Average limit is 10 mg/L and reported value was 17.5 mg/L Violation N Report Adventure Park - South Discharge 443597 R4-2018-0125 Y
1117708 11/30/2021 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.01 lb/day and report Violation N Report Castaic Power Plant 382500 R4-2013-0093 Y
1117742 10/31/2022 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.01 lb/day and report Violation N Report Castaic Power Plant 382500 R4-2013-0093 Y
1122947 11/22/2022 CAT1 Ammonia, Total (as N) Maximum Daily (MDEL) limit is 167 lb/day and reported valu Violation N Report Simi Valley WQCP 427894 R4-2019-0135 Y
1134317 10/04/2024 Late Report The self-monitoring report was submitted 51 days late. Violation N Report 495 Hartford 444574 R4-2018-0125 Y
1106812 04/30/2021 CAT2 Nickel, Total Recoverable Monthly Average (Mean) limit is 6.7 ug/L and reported Violation N Report Tsumas Creek Improvement Project (J Street Storm Drain) 387811 R4-2018-0125 Y
1117748 04/25/2022 CAT2 Copper, Total Recoverable Daily Maximum limit is 13.1 ug/L and reported value wa Violation N Report Castaic Power Plant 382500 R4-2013-0093 Y
1117994 02/28/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.6 M Violation N Report Tapia WRF 413302 R4-2017-0124 Y
1128640 10/31/2023 CAT1 Oil and Grease Monthly Average limit is 10.0 mg/L and reported value was 14.1 mg Violation N Report Adventure Park - South Discharge 443597 R4-2018-0125 Y
1140856 10/26/2023 Late Report The self-monitoring report was submitted 253 days late. Violation N Report Easy Street Industrial Park 444236 R4-2018-0125 Y
1120848 06/30/2023 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 6.5 ug/L and reported Violation N Report Castaic Power Plant 382500 R4-2013-0093 Y
1106484 05/11/2021 CAT1 Total Suspended Solids (TSS) Maximum Daily (MDEL) limit is 75.0 mg/L and reporte Violation N Report Water Well 15 435877 R4-2018-0125 Y
1106485 05/31/2021 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 50.0 mg/L and repor Violation N Report Water Well 15 435877 R4-2018-0125 Y
1120847 04/30/2023 CAT1 Oil and Grease Monthly Average (Mean) limit is 15 lb/day and reported value was Violation N Report Castaic Power Plant 382500 R4-2013-0093 Y
1120969 10/27/2022 Late Report The self-monitoring report due date was 08/14/2022. The report was submitted 74 Violation N Report La Peer 444603 R4-2018-0125 Y
1120970 09/07/2023 Late Report The self-monitoring report due date was 11/14/2022. The self-monitoring report w Violation N Report La Peer 444603 R4-2018-0125 Y
1127073 04/15/2024 Late Report The self-monitoring report due date was 8/14/2023. The self-monitoring report wa Violation N Report La Peer 444603 R4-2018-0125 Y
1127583 12/21/2023 CAT1 Perchlorate Maximum Daily (MDEL) limit is 6.0 ug/L and reported value was 54.5 u Violation N Report Los Angeles Forebay Perchlorate and VOC Cleanup Facility 445770 R4-2018-0125 Y
1127798 01/31/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 20. Violation N Report Los Angeles Forebay Perchlorate and VOC Cleanup Facility 445770 R4-2018-0125 Y
1128549 12/13/2023 CAT2 Selenium, Total Maximum Daily (MDEL) limit is 8.0 ug/L and reported value was 72 Violation N Report 495 Hartford 444574 R4-2018-0125 Y
1131536 03/31/2023 Deficient Monitoring For the monthly monitoring period ending on March 31, 2023, no results were subm Violation N Report Tapia WRF 413302 R4-2017-0124 Y
1143818 05/31/2024 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day p Violation N Report Tapia WRF 413302 R4-2017-0124 Y
1106507 02/09/2021 CAT2 Bis (2-Ethylhexyl) Phthalate Maximum Daily (MDEL) limit is 1.5 lb/day and report Violation N Report Tapia WRF 413302 R4-2017-0124 Y
1117706 10/31/2021 CAT2 Copper, Total Recoverable Monthly Average (Mean) limit is 0.01 lb/day and report Violation N Report Castaic Power Plant 382500 R4-2013-0093 Y
1127582 12/06/2023 CAT1 Perchlorate Maximum Daily (MDEL) limit is 6.0 ug/L and reported value was 49.0 u Violation N Report Los Angeles Forebay Perchlorate and VOC Cleanup Facility 445770 R4-2018-0125 Y
1140795 10/26/2023 Late Report The self-monitoring report was submitted 345 days late. Violation N Report Easy Street Industrial Park 444236 R4-2018-0125 Y
1106040 07/11/2022 Late Report Report submitted 4 days late (Received on: 05/19/2020). Violation N Report Avalon WWTF 424707 R4-2019-0023 N
1120025 09/01/2023 Late Report Once Only OneTime ( TECHRPT ) (Initial Investigation TRE WP) report for 2019/09/ Violation None Report Newhall Ranch WRP 422406 R4-2019-0077 N
1134499 10/01/2024 Late Report Once Only OneTime ( TECHRPT ) (Updated Nonpoint Source Management Plan (Waterfro Violation None Report USC Marine Science Center 433199 R4-2024-0258 N
1145810 08/08/2025 Late Report The report was submitted 174 days past the due date. Violation N Report 4632 Santa Monica 444513 R4-2018-0125 N
1144928 07/17/2025 Late Report The report was submitted 244 days late. Violation N Report 8920 Sunset Boulevard, LLC 436011 R4-2018-0125 N
1117874 08/17/2021 CAT1 Ammonia, Total (as N) Daily Maximum limit is 2400 ug/L and reported value was 68 Violation N Report San Nicolas Island Desalination Plant 148233 00-074 N
1117631 05/17/2021 Late Report First quarter 2021 was submitted two days late. Violation N Report Harbor Generating Station 133396 R4-2003-0101 N
1116203 11/15/2021 Late Report Third quarter 2021 report was submitted one day late. Violation N Report Playa Vista Site 194108 R4-2018-0087 N
1143147 12/16/2024 Late Report The self-monitoring report was submitted 1 day later than the due date. Violation N Report Tapia WRF 413302 R4-2017-0124 N
1126974 03/31/2024 Deficient Monitoring The following parameters were not analyzed, despite discharge being reported, fo Violation N Report William E Warne Power Plant 446992 R4-2022-0237 N
1143226 02/14/2025 Late Report The self-monitoring report was submitted 83 days past the due date. Violation N Report 9908 Santa Monica Blvd 446067 R4-2018-0125 N
1122941 10/24/2022 CTOX Chronic Toxicity (Species 3) Maximum Daily (MDEL) limit is 49.99 % effect and re Violation N Report Simi Valley WQCP 427894 R4-2019-0135 N
1117630 02/16/2021 Late Report Fourth quarter 2020 was submitted one day late. Violation N Report Harbor Generating Station 133396 R4-2003-0101 N
1134549 08/31/2023 Deficient Monitoring Chronic toxicity was not sampled for at RSW-MC009U. Violation N Report Tapia WRF 413302 R4-2017-0124 N
1116202 09/30/2021 Deficient Reporting pH and residual chlorine were analyzed outside of holding time for September. Violation N Report Playa Vista Site 194108 R4-2018-0087 N
1146406 08/22/2025 Late Report The report was submitted 98 days late. Violation N Report 495 Hartford 444574 R4-2018-0125 N
1139992 01/29/2025 Late Report The self-monitoring report was submitted 350 days late. The due date was 2/14/20 Violation N Report Easy Street Industrial Park 444236 R4-2018-0125 N
1128547 09/13/2023 Late Report 2nd Quarter 2023 report was submitted 30 days late. Violation N Report 495 Hartford 444574 R4-2018-0125 N
1127991 12/31/2023 Deficient Monitoring Flow for EFF-002 was not verified, hence unknown, for the precipitation events t Violation N Report USC Marine Science Center 387530 R4-2013-0172 N
1139983 01/29/2025 Late Report The self-monitoring report was submitted 259 days after the due date. The due da Violation N Report Easy Street Industrial Park 444236 R4-2018-0125 N
1122948 11/15/2022 CTOX Chronic Toxicity (Species 3) Maximum Daily (MDEL) limit is 49.99 % effect and re Violation N Report Simi Valley WQCP 427894 R4-2019-0135 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: 853
*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
194335 Los Angeles Regional Water Quality Control Board Enrollee VOLMON 01/01/2000 Historical
Total Regulatory Measures linked to Related Parties: 1
  
  
The current report was generated with data as of: 11/25/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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