| 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. |
| 1153684 |
03/17/2026 |
CAT1 |
Total Suspended Solids (TSS) Daily Maximum limit is 100 mg/L and reported value was 121 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1153683 |
02/28/2026 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value was 48 mg/L at INT-002B Formerly M002B. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1150754 |
12/31/2025 |
Deficient Monitoring |
A sampling deficiency occurred at the main discharge (EFF-002) during the fourth quarter of 2025, in which the required chronic toxicity test was not performed. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1150753 |
11/30/2025 |
Deficient Monitoring |
Missed monthly oil and grease sample for November. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1150752 |
12/31/2025 |
Deficient Monitoring |
An annual Cyanide sample was missed. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1148830 |
08/31/2025 |
Deficient Monitoring |
No weekly pH or monthly oil and grease sample was collected during the one week the unit was online in August. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1148829 |
08/31/2025 |
Deficient Monitoring |
No monthly oil and grease sample was collected in August due to operational issues that required manual pumping. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1145233 |
05/27/2025 |
OEV |
pH Instantaneous Maximum limit is 9 SU and reported value was 9.3 SU at INT-002C Formerly 002C1-002C6. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1142931 |
03/31/2025 |
Deficient Monitoring |
Quarterly dissolved oxygen (DO) sample was not collected for the effluent (EFF-002). |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1142929 |
03/31/2025 |
Deficient Monitoring |
Quarterly suspended solids (SS) sample was not collected for the effluent (EFF-002). |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1142928 |
01/31/2025 |
Deficient Monitoring |
Monthly sample of TSS was not collected in January for the monitoring point EFF-004 |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1142927 |
03/31/2025 |
Deficient Monitoring |
Quarterly suspended solids (SS) sample was not collected for the influent (INF-002). |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1142926 |
01/31/2025 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reported value was 44 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1142925 |
02/28/2025 |
Deficient Monitoring |
Weekly Free Available Chlorine and Total Residual Chlorine samples were not collected on discharge during the weeks of: 1/20/2025 1/27/2025 2/3/2025 2/10/2025 |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1142924 |
03/31/2025 |
Deficient Monitoring |
Quarterly ammonia sample was not collected for the effluent (EFF-002). |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1142923 |
02/10/2025 |
Deficient Monitoring |
A weekly pH sample was not collected on discharge from the internal monitoring point INT-002C during the week of 2/10/2025. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1142922 |
02/28/2025 |
Deficient Monitoring |
Weekly pH samples were not collected on influent during the weeks of: 1/20/2025 1/27/2025 2/3/2025 2/10/2025 |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1142921 |
02/28/2025 |
Deficient Monitoring |
Weekly pH samples were not collected on discharge during the weeks of: 1/20/2025 1/27/2025 2/3/2025 2/10/2025 |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1142920 |
01/31/2025 |
Deficient Monitoring |
Monthly sample of O&G was not collected in January for the internal monitoring point INT-002C |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1142919 |
01/31/2025 |
Deficient Monitoring |
Monthly sample of O&G was not collected in January for the internal monitoring point INT-002B |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1142918 |
02/10/2025 |
Deficient Monitoring |
Weekly Free Available Chlorine and Total Residual Chlorine samples was not collected on discharge from the internal monitoring point INT-002C during the week of 2/10/2025. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1142917 |
02/14/2025 |
OEV |
Temperature Instantaneous Maximum limit is 26 Degrees F and reported value was 27.2 Degrees F at EFF-002. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1140068 |
02/02/2025 |
Late Report |
Annual SMR ( SUMRPT ) (Att. D, Std. Prov. VIII.D.8) report for 2024 (2397795) was due on 01-FEB-25 |
Violation |
None |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1139637 |
10/01/2024 |
Deficient Monitoring |
Unit was offline with no effluent, unable to collect weekly pH sample. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1139636 |
10/29/2024 |
Deficient Monitoring |
Unit was offline with no effluent, unable to collect weekly pH sample. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1139635 |
10/31/2024 |
CAT1 |
Oil and Grease Monthly Average limit is 15 mg/L and reported value was 17 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1139634 |
10/31/2024 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average limit is 30.0 mg/L and reported value was 64 mg/L at INT-002B Formerly M002B. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1137081 |
07/31/2023 |
CAT2 |
Polychlorinated Biphenyls (PCBs), Sum 30-Day Average limit is 0.0 pg/L and reported value was 135.3 pg/L at EFF-002. |
Violation |
None |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1137023 |
05/31/2024 |
CAT1 |
Total Suspended Solids (TSS) Monthly Mean limit is 30.0 mg/L and reported value was 46 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
None |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1137022 |
12/31/2023 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average limit is 30.0 mg/L and reported value was 31 mg/L at INT-002B Formerly M002B. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1136578 |
06/30/2022 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30.0 mg/L and reported value was 121 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
None |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1136577 |
05/31/2022 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30.0 mg/L and reported value was 286 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
None |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1136576 |
02/28/2022 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30.0 mg/L and reported value was 38 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
None |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1136574 |
06/30/2024 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30.0 mg/L and reported value was 70 mg/L at INT-002B Formerly M002B. |
Violation |
None |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1136541 |
08/31/2023 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average (Mean) limit is 138.0 lb/day and reported value was 266 lb/day at INT-002B Formerly M002B. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1136530 |
01/11/2024 |
OEV |
pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.5 SU at INT-002C Formerly 002C1-002C6. |
Violation |
None |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1136529 |
12/29/2021 |
OEV |
pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.2 SU at INT-002B Formerly M002B. *** MMP Exempt Reason:Exempt based on further investigation by Central Coast Water Board Prosecution Team. |
Violation |
None |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1136528 |
12/08/2021 |
OEV |
pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.2 SU at INT-002B Formerly M002B. *** MMP Exempt Reason:Exempt based on further investigation by Central Coast Water Board Prosecution Team. |
Violation |
None |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1136526 |
06/14/2021 |
OEV |
pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.3 SU at INT-002B Formerly M002B. *** MMP Exempt Reason:Exempt based on further investigation by Central Coast Water Board Prosecution Team. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1136525 |
06/04/2021 |
OEV |
pH Instantaneous Maximum limit is 9. SU and reported value was 9.1 SU at INT-002B Formerly M002B. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1135458 |
11/10/2021 |
CAT2 |
Polychlorinated Biphenyls (PCBs), Sum 30-Day Average limit is 0.0 pg/L and reported value was 95.8 pg/L at EFF-002. *** MMP Exempt Reason:Exempt based on further investigation by Central Coast Water Board Prosecution Team. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1135453 |
09/30/2021 |
Deficient Monitoring |
Did not report 6-month median for copper in lbs/day. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1135131 |
09/24/2024 |
CAT1 |
Total Suspended Solids (TSS) Daily Maximum limit is 100.0 mg/L and reported value was 393 mg/L at INT-002B Formerly M002B. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1135130 |
09/30/2024 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average limit is 30.0 mg/L and reported value was 196 mg/L at INT-002B Formerly M002B. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1135129 |
09/30/2024 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average limit is 138.0 lb/day and reported value was 352 lb/day at INT-002B Formerly M002B. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1135128 |
08/01/2024 |
Deficient Monitoring |
The monthly TSS sample for EFF-004 was not collected due to an error in our contractor's internal sampling schedule. |
Violation |
N |
eSMR |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1134917 |
11/30/2023 |
CAT1 |
Oil and Grease Monthly Average limit is 15.0 mg/L and reported value was 16.0 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134916 |
11/21/2023 |
OEV |
pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.1 SU at INT-002C Formerly 002C1-002C6. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134915 |
08/31/2023 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average limit is 30.0 mg/L and reported value was 120 mg/L at INT-002B Formerly M002B. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134914 |
08/14/2023 |
CAT1 |
Total Suspended Solids (TSS) Daily Maximum limit is 100.0 mg/L and reported value was 120 mg/L at INT-002B Formerly M002B. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134913 |
10/10/2022 |
CAT2 |
Cyanide, Total (as CN) 6-Month Median limit is 8.4 ug/L and reported value was 12.1 ug/L at EFF-002. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134911 |
12/30/2022 |
OEV |
pH Instantaneous Maximum limit is 9 SU and reported value was 9.2 SU at INT-002B Formerly M002B. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134908 |
07/31/2022 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average limit is 30.0 mg/L and reported value was 36 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134907 |
09/30/2022 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average limit is 30.0 mg/L and reported value was 83 mg/L at INT-002B Formerly M002B. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134906 |
05/18/2022 |
CAT1 |
Total Suspended Solids (TSS) Maximum Daily (MDEL) limit is 100.0 mg/L and reported value was 286 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134905 |
06/08/2022 |
CAT1 |
Total Suspended Solids (TSS) Maximum Daily (MDEL) limit is 100.0 mg/L and reported value was 121 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134904 |
03/03/2022 |
OEV |
pH Instantaneous Maximum limit is 9 SU and reported value was 9.1 SU at INT-002B Formerly M002B. *** MMP Exempt Reason:Exempt based on further investigation by Central Coast Water Board Prosecution Team. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134903 |
02/11/2022 |
OEV |
pH Instantaneous Maximum limit is 9 SU and reported value was 9.2 SU at INT-002B Formerly M002B. *** MMP Exempt Reason:Exempt based on further investigation by Central Coast Water Board Prosecution Team. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134902 |
01/17/2022 |
OEV |
pH Instantaneous Maximum limit is 9 SU and reported value was 9.1 SU at INT-002B Formerly M002B. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134901 |
01/12/2022 |
OEV |
pH Instantaneous Maximum limit is 9 SU and reported value was 9.1 SU at INT-002B Formerly M002B. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134898 |
01/05/2022 |
OEV |
pH Instantaneous Maximum limit is 9 SU and reported value was 9.1 SU at INT-002B Formerly M002B. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134811 |
07/31/2022 |
CAT2 |
Polychlorinated Biphenyls (PCBs), Sum 30-Day Average limit is 0.0 pg/L and reported value was 195.8 pg/L at EFF-002. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134810 |
12/15/2021 |
OEV |
pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.3 SU at INT-002B Formerly M002B. *** MMP Exempt Reason:Exempt based on further investigation by Central Coast Water Board Prosecution Team. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134807 |
07/27/2021 |
OEV |
pH Instantaneous Maximum limit is 9 SU and reported value was 9.2 SU at INT-002B Formerly M002B. *** MMP Exempt Reason:Exempt based on further investigation by Central Coast Water Board Prosecution Team. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134805 |
07/06/2021 |
OEV |
pH Instantaneous Maximum limit is 9 SU and reported value was 9.3 SU at INT-002B Formerly M002B. *** MMP Exempt Reason:Exempt based on further investigation by Central Coast Water Board Prosecution Team. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134804 |
06/07/2021 |
OEV |
pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.3 SU at INT-002B Formerly M002B. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1134792 |
06/26/2023 |
CAT1 |
Total Suspended Solids (TSS) Daily Maximum limit is 100.0 mg/L and reported value was 173 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134768 |
06/30/2023 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average limit is 30.0 mg/L and reported value was 173 mg/L at INT-002C Formerly 002C1-002C6. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134433 |
04/30/2023 |
Deficient Monitoring |
Total Suspended Solids (TSS) Monthly Average limit is 138 lb/day and discharger did not report required calculated TSS at INT-002B Formerly M002B. |
Violation |
None |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1134430 |
06/06/2023 |
OEV |
pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.2 SU at INT-002C Formerly 002C1-002C6. |
Violation |
None |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134429 |
04/12/2023 |
OEV |
pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.3 SU at INT-002C Formerly 002C1-002C6. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
| 1134420 |
03/31/2023 |
Deficient Monitoring |
For effluent EFF-004, the monthly Total Suspended Solids (TSS) sample was not collected in January. This was due in part to staff changes in the sampling company, and due to the inability to collect a sample, as no discharge was being produced at certain times throughout the month. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
N |
| 1133022 |
03/31/2023 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30.0 mg/L and reported value was 34 mg/L at INT-002B Formerly M002B. |
Violation |
N |
Report |
Moss Landing Power Plant - NPDES |
441133 |
R3-2020-0031 |
Y |
|
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.
|