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. |
1097014 |
07/31/2021 |
Deficient Monitoring |
WDRs require continuous monitoring of influent pH, but the discharger did not monitor influent pH during 29-31 July 2021. |
Violation |
N |
Report |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1130198 |
06/30/2024 |
Deficient Monitoring |
Discharger sampled effluent TDS, influent EC, and influent TDS at less than the required frequency. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1105744 |
05/31/2022 |
CAT1 |
Ammonia, Total (as N) Monthly Average (Mean) limit is 1.2 mg/L and reported value was 3.3 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1106106 |
07/17/2021 |
Deficient Reporting |
Discharger reported CBOD at EFF-001 twice during the week ending 7/17/21, instead of three times as required in the MRP. |
Violation |
N |
Report |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1107267 |
06/28/2022 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 11.5 MPN/100 mL at EFF-001. |
Violation |
N |
Report |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1123458 |
12/31/2023 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 2.4 mg/L and reported value was 9.4 mg/L at EFF-001A. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1124620 |
01/06/2024 |
CAT1 |
Ammonia, Total (as N) Weekly Average (Mean) limit is 7.6 mg/L and reported value was 12.3 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1124622 |
01/20/2024 |
CAT1 |
Ammonia, Total (as N) Weekly Average (Mean) limit is 7.6 mg/L and reported value was 10.9 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1129090 |
05/10/2024 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 23 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1129092 |
05/03/2024 |
OEV |
Total Coliform 1-Hour Average (Mean) limit is 2.2 % and reported value was 23 % at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1075378 |
01/14/2020 |
CAT1 |
Nitrite Plus Nitrate (as N) Daily Maximum limit is 31 mg/L and reported value was 33 mg/L at EFF-001. |
Violation |
N |
Report |
Stockton Regional WW Control Facility |
396967 |
R5-2014-0070-03 |
Y |
1086710 |
01/30/2021 |
CAT1 |
Ammonia, Total (as N) Weekly Average limit is 7.6 mg/L and reported value was 12.7 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1104479 |
04/30/2022 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 1.2 mg/L and reported value was 2.2 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1123456 |
12/16/2023 |
CAT1 |
Ammonia, Total (as N) Weekly Average limit is 7.6 mg/L and reported value was 8.0 mg/L at EFF-001A. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1089810 |
03/27/2021 |
Deficient Monitoring |
Discharger did not monitor flow at INF-001 at the required frequency on March 16-17 and 26-27. Discharger did not monitor pH at INF-001 at the required frequency on March 16-17 and 26-27. |
Violation |
N |
Report |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1097372 |
10/25/2021 |
Deficient Monitoring |
Influent pH was not recorded from October 25 through 31st due to lost SCADA signal following extensive flooding from extreme storm flows October 24-25, 2021. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1103453 |
03/05/2022 |
Order Conditions |
Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 3 NTU at EFF-001 each day during 1 - 5 March. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1105746 |
05/31/2022 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 550 lb/day and reported value was 749 lb/day at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1123459 |
12/23/2023 |
CAT1 |
Ammonia, Total (as N) Weekly Average limit is 7.6 mg/L and reported value was 10.1 mg/L at EFF-001A. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1086708 |
01/31/2021 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 1100 lb/day and reported value was 1323 lb/day at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1092902 |
05/23/2021 |
Deficient Monitoring |
Discharger did not monitor influent pH at the required frequency during 21-23 May 2021. |
Violation |
N |
Report |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1107268 |
06/29/2022 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 13.8 MPN/100 mL at EFF-001. |
Violation |
N |
Report |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1086709 |
01/31/2021 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 2.4 mg/L and reported value was 7.0 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1088190 |
02/28/2021 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 1100 lb/day and reported value was 1444 lb/day at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1113636 |
12/31/2022 |
Unauthorized Discharge |
Approximately 1.6 MG of mixed stormwater and primary-treated wastewater discharged to Navy Drive. |
Violation |
N |
Report |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1114049 |
01/21/2023 |
Deficient Monitoring |
Discharger did not monitor influent BOD or TSS during the week ending 1/21/2023. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1123457 |
12/31/2023 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 1100 lb/day and reported value was 1878 lb/day at EFF-001A. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1129091 |
05/02/2024 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 18 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1097015 |
08/09/2021 |
Deficient Monitoring |
WDRs require continuous monitoring of influent pH, but the discharger did not monitor influent pH during 1-9 August 2021. |
Violation |
N |
Report |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1099380 |
11/01/2021 |
Deficient Monitoring |
Influent pH was not recorded in SCADA from 11/1/21 through 11/11/21 due to extensive flooding of the RWCF headworks caused by the storm on 10/24-25/21, the signal from the influent pH meter to SCADA was lost. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1104481 |
04/02/2022 |
CAT1 |
Ammonia, Total (as N) Weekly Average limit is 3.2 mg/L and reported value was 4.2 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1104590 |
03/31/2022 |
Deficient Monitoring |
Discharger did not properly preserve ammonia samples taken in March at RSW-001, RSW-002, RSW-002A, and RSW-003, invalidating the sample analysis. |
Violation |
N |
Report |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1105743 |
05/14/2022 |
CAT1 |
Ammonia, Total (as N) Weekly Average limit is 3.2 mg/L and reported value was 5.0 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1105745 |
05/07/2022 |
CAT1 |
Ammonia, Total (as N) Weekly Average (Mean) limit is 3.2 mg/L and reported value was 9.0 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1113505 |
11/26/2022 |
Deficient Monitoring |
Discharger did not report nitrate or nitrite results for the week ending 11/26/2022. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1123460 |
12/30/2023 |
CAT1 |
Ammonia, Total (as N) Weekly Average limit is 7.6 mg/L and reported value was 12.0 mg/L at EFF-001A. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1124621 |
01/31/2024 |
CAT1 |
Ammonia, Total (as N) Monthly Average (Mean) limit is 1100 lb/day and reported value was 1564 lb/day at EFF-001A. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1129094 |
05/09/2024 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 23 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1088188 |
02/28/2021 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 2.4 mg/L and reported value was 6.4 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1104480 |
04/16/2022 |
CAT1 |
Ammonia, Total (as N) Weekly Average limit is 3.2 mg/L and reported value was 5.4 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1105747 |
05/07/2022 |
CAT1 |
Ammonia, Total (as N) Weekly Average (Mean) limit is 1500 lb/day and reported value was 2134 lb/day at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1124619 |
01/13/2024 |
CAT1 |
Ammonia, Total (as N) Weekly Average (Mean) limit is 7.6 mg/L and reported value was 13.8 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1124623 |
01/31/2024 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 2.4 mg/L and reported value was 7.8 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1128020 |
04/29/2024 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001A. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1129089 |
05/14/2024 |
OEV |
Total Coliform 1-Hour Average (Mean) limit is 2.2 MPN/100 mL and reported value was 13.8 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1129096 |
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-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1067307 |
10/15/2019 |
Deficient Monitoring |
There was one violation of waste discharge requirements during this reporting period. Effluent discharge to the San Joaquin River was stopped at 0432 on October 9, 2019 and was not reinitiated until 1515 on October 15, 2019 (see further discussion below). After resuming discharge on October 15, 2019, effluent Dissolved Oxygen was not sampled and tested. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
396967 |
R5-2014-0070-03 |
Y |
1075377 |
01/13/2020 |
CAT1 |
Nitrite Plus Nitrate (as N) Daily Maximum limit is 31 mg/L and reported value was 32 mg/L at EFF-001. |
Violation |
N |
Report |
Stockton Regional WW Control Facility |
396967 |
R5-2014-0070-03 |
Y |
1088189 |
02/20/2021 |
CAT1 |
Ammonia, Total (as N) Weekly Average limit is 7.6 mg/L and reported value was 11.1 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1103454 |
03/31/2022 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 2.4 mg/L and reported value was 3.4 mg/L at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1106628 |
06/27/2022 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 11.5 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1112854 |
12/10/2022 |
Deficient Monitoring |
Influent flow was not reported for December 10-14, 2022. December storm caused flooding in the Headworks that caused the influent flow meter to record artificial flows that are not representative of actual influent flows. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1129088 |
05/15/2024 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1129093 |
05/06/2024 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 23.0 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1129095 |
05/01/2024 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 13 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
1102685 |
02/28/2022 |
Order Conditions |
Turbidity Daily Average (Mean) limit is 2.0 NTU and reported value was 3 NTU at EFF-001 each day during 20 - 28 February. |
Violation |
N |
eSMR |
Stockton Regional WW Control Facility |
437232 |
R5-2020-0007-01 |
Y |
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