| 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. |
| 1149397 |
11/02/2025 |
Late Report |
Quarterly SMR ( MONNPDES ) report for Q3 2025 (2716236) was due on 01-NOV-25 |
Violation |
None |
Report |
Metropolitan Stevedore Company Bulk Marine Terminal |
436049 |
R4-2023-0035 |
N |
| 1149349 |
08/31/2025 |
Deficient Monitoring |
Per Section 4.1 of the MRP, effluent samples shall be analyzed monthly for dissolved oxygen. An effluent sample for dissolved oxygen analysis was inadvertently not collected in August due to a laboratory oversight. A make-up sample was collected on November 7, and the results will be included in the November monthly NPDES compliance monitoring report. To prevent reoccurrence of this issue, laboratory staff will more closely monitor sampling schedules. |
Violation |
N |
eSMR |
Long Beach WRP |
447474 |
R4-2022-0032 |
N |
| 1149348 |
08/05/2025 |
Deficient Monitoring |
Per Section 8.1 of the MRP, receiving water samples from receiving water monitoring stations RSW-001U (R-C), RSW-002D (R-D), and RSW-003D (R-E) shall be analyzed monthly for settleable solids. On August 5, receiving water samples were collected from each monitoring station and successfully analyzed for settleable solids; however, the settleable solids results were not saved during data entry into the laboratory information management system (LIMS). Because settleable solid results are entered directly into LIMS, there is no physical record of the August 5 results. Make-up samples were collected on September 18, and the results will be included in the September NPDES compliance monitoring report. To prevent reoccurrence of this issue, laboratory analysts have been reminded to ensure all data entries are properly saved in LIMS. |
Violation |
N |
eSMR |
Valencia WRP |
435564 |
R4-2022-0174 |
N |
| 1148514 |
09/28/2025 |
CTOX |
Chronic Toxicity-C.dubia-Reproduction Monthly Average (Mean) limit is 50 % effect and reported value was 59.93 % effect at EFF-001. |
Violation |
N |
eSMR |
TFX Aviation, Inc. (Former Telair Site, Newbury Park) |
436207 |
R4-2021-0098 |
N |
| 1148513 |
09/10/2025 |
CTOX |
Chronic Toxicity-C.dubia-Reproduction Daily Maximum limit is 50 % effect and reported value was 63.78 % effect at EFF-001. |
Violation |
N |
eSMR |
TFX Aviation, Inc. (Former Telair Site, Newbury Park) |
436207 |
R4-2021-0098 |
N |
| 1148316 |
01/31/2025 |
CAT1 |
Oil and Grease Monthly Average limit is 10 mg/L and reported value was 11 mg/L. |
Violation |
N |
Report |
Route 105 Dewatering System - Garfield & Downey Pump Stations |
194088 |
R4-2018-0087 |
N |
| 1148311 |
07/29/2025 |
Deficient Monitoring |
Per Sections 3.1 and 4.1 of the MRP, influent and effluent samples shall be analyzed weekly for biochemical oxygen demand (BOD, 5-day at 20° Celsius). The influent and effluent samples collected on July 29 were invalidated due to a laboratory analyst error affecting the analytical QA/QC samples. Therefore, there are no BOD results for influent and effluent the week of July 29. Make-up samples were collected on August 6 and will be reported in the August monthly NPDES monitoring report. To prevent this issue from reoccurring, laboratory staff were reminded to review and follow all method standard operating procedures (SOPs). |
Violation |
N |
eSMR |
Saugus Water Reclamation Plant |
442544 |
R4-2022-0175 |
N |
| 1148310 |
07/20/2025 |
Deficient Monitoring |
Per Section 4.1 of the MRP, effluent samples shall be analyzed daily for settleable solids. An effluent sample was collected and analyzed for settleable solids on July 20, however, the result was inadvertently not recorded in the laboratory information management system (LIMS). As a result, there is no reportable settleable solids concentration for July 20. To prevent this issue from reoccurring, laboratory staff have been reminded to immediately enter concentration results into LIMS after tests are completed. |
Violation |
N |
eSMR |
Los Coyotes WRP |
445113 |
R4-2021-0142 |
N |
| 1147771 |
08/07/2025 |
CAT2 |
Copper, Total Monthly Average (Mean) limit is 3.4 ug/L and reported value was 3.6 ug/L at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1147770 |
08/20/2025 |
CAT2 |
Chlorine, Total Residual Maximum Daily (MDEL) limit is 0.2 lb/day and reported value was 1.9 lb/day at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1147769 |
08/20/2025 |
OEV |
Enterococci Maximum Daily (MDEL) limit is 104 MPN/100 mL and reported value was 340 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1147768 |
08/31/2025 |
CAT2 |
Chlorine, Total Residual Monthly Average (Mean) limit is 0.05 lb/day and reported value was 0.48 lb/day at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1147767 |
08/31/2025 |
CAT2 |
Chlorine, Total Residual Monthly Average (Mean) limit is 1.9 mg/L and reported value was 52.5 mg/L at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1147766 |
08/20/2025 |
CAT2 |
Chlorine, Total Residual Maximum Daily (MDEL) limit is 8 mg/L and reported value was 180 mg/L at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1147765 |
08/07/2025 |
CAT2 |
Cyanide, Total (as CN) Monthly Average (Mean) limit is 0.013 lb/day and reported value was 0.0425 lb/day at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1147764 |
08/07/2025 |
CAT2 |
Cyanide, Total (as CN) Monthly Average (Mean) limit is 0.5 ug/L and reported value was 3.98 ug/L at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1147629 |
07/16/2025 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 3.5 mg/L and reported value was 4.1 mg/L at EFF-001A. |
Violation |
N |
eSMR |
Camarillo WRP |
428243 |
R4-2019-0136 |
N |
| 1146710 |
01/31/2025 |
CAT2 |
Zinc, Total Recoverable Monthly Average limit is 52 ug/L and reported value was 65 ug/L at M-001. |
Violation |
N |
Report |
4929 Wilshire LP |
193315 |
R4-2018-0125 |
N |
| 1146698 |
06/12/2025 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 5.67 SU. |
Violation |
N |
Report |
Former JAB Holdings Inc. |
327112 |
R4-2013-0095 |
N |
| 1146697 |
05/09/2025 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.38 SU. |
Violation |
N |
Report |
Former JAB Holdings Inc. |
327112 |
R4-2013-0095 |
N |
| 1146694 |
01/15/2025 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 5.44 SU. |
Violation |
N |
Report |
Former JAB Holdings Inc. |
327112 |
R4-2013-0095 |
N |
| 1146674 |
06/30/2025 |
Deficient Reporting |
qtrly samples not taken |
Violation |
N |
Report |
McDonald's Restaurant |
192887 |
R4-2023-0429 |
N |
| 1146669 |
04/30/2025 |
CAT2 |
Chromium (VI) Total Recoverable Monthly Average limit is 5.5 ug/L and reported value was 22.0 ug/L at EFF-001. |
Violation |
None |
eSMR |
TFX Aviation, Inc. (Former Telair Site, Newbury Park) |
436207 |
R4-2021-0098 |
N |
| 1146293 |
07/31/2025 |
OEV |
Enterococci Geometric Mean of Minimum 5 Samples in 30-Days limit is 35 MPN/100 mL and reported value was 35 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1146292 |
07/31/2025 |
CAT2 |
Chlorine, Total Residual Monthly Average limit is 0.05 lb/day and reported value was 0.28 lb/day at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1146291 |
07/30/2025 |
CAT2 |
Chlorine, Total Residual Daily Maximum limit is 0.2 lb/day and reported value was 2.2 lb/day at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1146290 |
07/31/2025 |
CAT2 |
Chlorine, Total Residual Monthly Average limit is 2 mg/L and reported value was 26 mg/L at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1146289 |
07/30/2025 |
CAT2 |
Chlorine, Total Residual Daily Maximum limit is 8 mg/L and reported value was 210 mg/L. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1146288 |
07/02/2025 |
OEV |
Enterococci Daily Maximum limit is 104 MPN/100 mL and reported value was 1000 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1146287 |
07/01/2025 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 5 SU at EFF-001. |
Violation |
N |
eSMR |
Seaside Lagoon |
400243 |
R4-2017-0178 |
N |
| 1146061 |
08/02/2025 |
Late Report |
Quarterly SMR ( MONNPDES ) report for Q2 2025 (2716235) was due on 01-AUG-25 |
Violation |
None |
Report |
Metropolitan Stevedore Company Bulk Marine Terminal |
436049 |
R4-2023-0035 |
N |
| 1144894 |
04/22/2025 |
CAT2 |
Chromium (VI) Total Recoverable Daily Maximum limit is 16.3 ug/L and reported value was 22.0 ug/L at EFF-001. |
Violation |
N |
eSMR |
TFX Aviation, Inc. (Former Telair Site, Newbury Park) |
436207 |
R4-2021-0098 |
N |
| 1144787 |
04/30/2025 |
CTOX |
Chronic Toxicity-C.dubia-Reproduction Monthly Median limit is 1 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1 Pass/Fail (Pass = 0, Fail = 1) at EFF-002. |
Violation |
N |
eSMR |
San Jose Creek Water Reclamation Plant |
443109 |
R4-2021-0131 |
N |
| 1144764 |
04/20/2025 |
Deficient Monitoring |
Per Section 4.1 of the MRP, effluent samples shall be analyzed weekly for BOD. BOD results from an effluent sample collected on April 20 were invalidated because the sample analysis was not performed consistent with the method's standard operating procedure (SOP). The SOP was reviewed with laboratory staff to prevent reoccurrence of this issue. |
Violation |
N |
eSMR |
Whittier Narrows Water Reclamation Plant |
443746 |
R4-2021-0096 |
N |
| 1143992 |
03/31/2025 |
Deficient Monitoring |
Per Section 4.1 of the MRP, effluent samples shall be analyzed monthly for dissolved oxygen. An effluent sample for dissolved oxygen was inadvertently not collected in March due to a laboratory oversight. The Los Coyotes WRP was operating normally in March and effluent dissolved oxygen levels are expected to have been within normal ranges. To prevent this issue from re-occurring, staff have been instructed to more proactively monitor sample collection schedules to ensure that all required samples are collected. |
Violation |
N |
eSMR |
Los Coyotes WRP |
445113 |
R4-2021-0142 |
N |
| 1143709 |
01/10/2025 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 20 mg/L and reported value was 22 mg/L at M-001. |
Violation |
N |
Report |
Beverly Atrium |
315842 |
R4-2013-0095 |
Y |
| 1143517 |
05/08/2025 |
Late Report |
report due 11/15/24, received 5/8/25, 5 30 day late periods |
Violation |
N |
Report |
Beverly Atrium |
315842 |
R4-2013-0095 |
Y |
| 1143334 |
02/19/2025 |
Deficient Monitoring |
Per Section 4.1 of the MRP, continuous monitoring of total residual chlorine shall serve as a trigger for increased grab sampling for total residual chlorine excursions of up to 0.3 mg/L lasting more than 15 minutes or excursions between 0.1 to 0.3 mg/L lasting longer than 15 minutes. At 11:50 a.m. on February 19, the Valencia WRP temporarily lost power while testing the emergency generators. The emergency generators turned on; however, there was a slight delay, resulting in temporary power loss at the Valencia WRP. As a result, the UV disinfection system was shut down, and all effluent flow was routed to the chlorine contact tanks for disinfection. During this transition, the metered final effluent total residual chlorine exceeded 0.3 mg/L for approximately 8 minutes and remained between 0.1 and 0.3 mg/L for approximately 16 minutes, triggering collection of an additional grab sample. At 12:25 p.m., a grab sample was collected, and chlorine was not detected; however, collection and analysis did not follow analytical method protocols. As a result, the non-detect result was not reportable. Despite this, sodium bisulfite, the dechlorination chemical, was dosed more than the stoichiometric amount needed to fully dechlorinate the effluent; therefore, the effluent was fully dechlorinated. To prevent reoccurrence, the Sanitation District will implement procedures to ensure all additional grab samples collected for total residual chlorine analysis follow analytical method protocols. |
Violation |
N |
eSMR |
Valencia WRP |
435564 |
R4-2022-0174 |
N |
| 1143333 |
02/28/2025 |
Deficient Monitoring |
Per Section 4.1 of the MRP, effluent samples shall be analyzed monthly for dissolved oxygen (DO). An effluent sample was not collected in February because of a laboratory analyst error. A make-up sample was collected on March 3, and the DO result will be included in the March report. To prevent this issue from reoccurring, analysts were reminded to carefully check that all required monitoring samples are collected within the required timeframes. |
Violation |
N |
eSMR |
Valencia WRP |
435564 |
R4-2022-0174 |
N |
| 1143312 |
02/20/2025 |
Surface Water |
Per Section 5.1.16 of the WDR, the discharge shall not result in visible floating particulates, foams, or oil and grease in the receiving waters. On February 20 at 9:45 a.m., Sanitation Districts sampling personnel observed foam in the San Gabriel River downstream of Discharge Point 001B and traveling to receiving water station RSW-007 (R-13). Operations staff confirmed that the SJCE and SJCW WRPs were operating normally during this time and no changes to the treatment process or foaming had occurred at the plants. However, as a precautionary measure, the defoamant dose was increased at both WRPs the same day. The sampling crew returned to receiving water station RSW-007 (R-13) the following day on February 21 at 10:52 a.m. and observed less foam; by 2:14 p.m., the foam was no longer present. The Sanitation Districts will continue to monitor water quality in the effluent and receiving waters, and the San Jose Creek WRP Operations staff will continue their normal procedures to increase the defoamant dose if foam is observed. |
Violation |
N |
eSMR |
San Jose Creek Water Reclamation Plant |
443109 |
R4-2021-0131 |
N |
| 1143127 |
12/31/2024 |
CAT2 |
Zinc, Total Recoverable Monthly Average limit is 52 ug/L and reported value was 189.0 ug/L. |
Violation |
None |
Report |
Wilshire Rodeo Plaza |
193383 |
R4-2018-0125 |
N |
| 1143126 |
12/17/2024 |
CAT2 |
Zinc, Total Recoverable Daily Maximum limit is 105 ug/L and reported value was 189 ug/L. |
Violation |
None |
Report |
Wilshire Rodeo Plaza |
193383 |
R4-2018-0125 |
N |
| 1143125 |
12/31/2024 |
CAT2 |
Copper, Total Recoverable Monthly Average limit is 7 ug/L and reported value was 28.6 ug/L. |
Violation |
None |
Report |
Wilshire Rodeo Plaza |
193383 |
R4-2018-0125 |
N |
| 1143124 |
12/17/2024 |
CAT2 |
Copper, Total Recoverable Daily Maximum limit is 14 ug/L and reported value was 28.6 ug/L. |
Violation |
N |
Report |
Wilshire Rodeo Plaza |
193383 |
R4-2018-0125 |
N |
| 1143017 |
11/30/2024 |
Deficient Reporting |
settleable solids not reported monthly |
Violation |
N |
Report |
Route 105 Dewatering System - Garfield & Downey Pump Stations |
194088 |
R4-2018-0087 |
N |
| 1142941 |
02/05/2025 |
CAT1 |
Total Dissolved Solids (TDS) Monthly Average limit is 850 mg/L and reported value was 892 mg/L at EFF-001A. |
Violation |
N |
eSMR |
Camarillo WRP |
428243 |
R4-2019-0136 |
N |
| 1142940 |
02/05/2025 |
CAT1 |
Chloride Monthly Average limit is 150 mg/L and reported value was 170 mg/L at EFF-001A. |
Violation |
N |
eSMR |
Camarillo WRP |
428243 |
R4-2019-0136 |
N |
| 1142404 |
02/13/2025 |
OEV |
pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.6 SU at EFF-015. |
Violation |
N |
eSMR |
Santa Anita Park |
449735 |
R4-2022-0224 |
N |
| 1142272 |
11/30/2024 |
Deficient Reporting |
missing November data |
Violation |
N |
Report |
The Rossmore |
193313 |
R4-2013-0095 |
N |
| 1142110 |
01/05/2025 |
OEV |
Total Coliform 7-Day Median limit is 2.2 CFU/100 mL and reported value was 2.4 CFU/100 mL at EFF-001. |
Violation |
N |
eSMR |
Pomona Water Reclamation Plant |
432902 |
R4-2021-0097 |
N |
| 1142109 |
01/04/2025 |
OEV |
Total Coliform 7-Day Median limit is 2.2 CFU/100 mL and reported value was 2.4 CFU/100 mL at EFF-001. |
Violation |
N |
eSMR |
Pomona Water Reclamation Plant |
432902 |
R4-2021-0097 |
N |
| 1141095 |
12/10/2024 |
Deficient Monitoring |
Per Section 4.1 of the MRP, ammonia shall be analyzed weekly in the influent and effluent. No influent and effluent ammonia results are available for the week of December 8, 2024. Influent and effluent samples for ammonia analysis were collected on December 10, however, the samples were inadvertently lost after collection and could not be analyzed. Laboratory staff have reviewed sample handling and custody procedures to prevent reoccurrence of this issue. Make-up samples were collected on January 16, 2025, and the results will be included in the January 2025 monthly NPDES report. |
Violation |
N |
eSMR |
A.K. Warren Water Resource Facility |
452398 |
R4-2023-0181 |
N |
| 1140907 |
12/09/2024 |
OEV |
pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.99 SU. |
Violation |
N |
Report |
Former JAB Holdings Inc. |
327112 |
R4-2013-0095 |
N |
| 1140833 |
12/31/2024 |
Deficient Reporting |
flow not reported continuously. pH, temp, and MBAS not reported monthly. Acute Tox not reported annually |
Violation |
N |
Report |
Goodrich Corporation |
193908 |
R4-2020-0055 |
N |
| 1140832 |
12/31/2024 |
Deficient Reporting |
No flow recorded monthly. Flow meter was broken. Permittee is in contact with a vendor to repair the flow meter |
Violation |
N |
Report |
4929 Wilshire LP |
193315 |
R4-2018-0125 |
N |
| 1139999 |
11/28/2024 |
Deficient Monitoring |
Per Section 4.1 of the MRP, effluent samples shall be analyzed monthly for aldrin and dieldrin. The effluent sample collected on November 28 was invalidated because it was not delivered to the laboratory within 72 hours for pH adjustment, as required by the analytical method for these compounds. Therefore, there are no reportable aldrin and dieldrin effluent results for the month of November. A make-up sample was collected on December 16 and will be included in the December monthly report. To prevent this issue from reoccurring, a 3-day sample hold time will be implemented to ensure that laboratory pH measurements and adjustments are completed within the 72-hour method requirement. |
Violation |
N |
eSMR |
A.K. Warren Water Resource Facility |
452398 |
R4-2023-0181 |
N |
| 1139996 |
11/30/2024 |
CAT2 |
Chlorine, Total Residual Maximum Daily (MDEL) limit is 0.10 mg/L and reported value was 0.19 mg/L at EFF-002. |
Violation |
N |
eSMR |
San Jose Creek Water Reclamation Plant |
443109 |
R4-2021-0131 |
N |
| 1139035 |
01/02/2025 |
Late Report |
Once Only OneTime ( TECHRPT ) (1/permit cycle report) report for 2020/04/01 (2323479) was due on 01-JAN-25 |
Violation |
None |
Report |
Olympic Tank Farm |
433032 |
R4-2020-0025 |
N |
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