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. |
1102984 |
09/12/2021 |
Deficient Monitoring |
Discharger did not sample effluent Flow at the required frequency (1/day) during the month of September 2021 |
Violation |
N |
Report |
North Manteca Trunk Sewer Construction Dewatering Project |
439605 |
R5-2022-0006-02 |
Y |
1102985 |
09/29/2021 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.4 SU at EFF-001. |
Violation |
N |
Report |
North Manteca Trunk Sewer Construction Dewatering Project |
439605 |
R5-2022-0006-02 |
Y |
1102983 |
06/10/2021 |
Deficient Monitoring |
Discharger did not sample effluent Electrical Conductivity, Turbidity, Temperature, pH, Dissolved Oxygen at the required frequency for a week in June 2021 |
Violation |
N |
Report |
North Manteca Trunk Sewer Construction Dewatering Project |
439605 |
R5-2022-0006-02 |
Y |
1102986 |
10/28/2020 |
OEV |
pH Instantaneous Maximum limit is 8.79 SU and reported value was 8.5 SU at EFF-001. |
Violation |
N |
Report |
North Manteca Trunk Sewer Construction Dewatering Project |
439605 |
R5-2022-0006-02 |
Y |
1121397 |
09/26/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 9.9 SU at PND-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
N |
1121396 |
09/19/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 10.2 SU at PND-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
N |
1128085 |
04/16/2024 |
OEV |
Ammonium as Nitrogen Weekly Average (Mean) limit is 4.2 mg/L and reported value was 5.5 mg/L at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
N |
1126505 |
03/03/2024 |
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 170 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
N |
1126506 |
03/28/2024 |
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 46 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
N |
1126508 |
03/01/2024 |
OEV |
Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 540 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
N |
1116988 |
04/14/2023 |
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 33 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1106652 |
06/16/2022 |
OEV |
Total Coliform Daily Maximum limit is 240.0 MPN/100 mL and reported value was 350.0 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1113889 |
01/31/2023 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 200 lb/day and reported value was 281.1 lb/day at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1122206 |
10/17/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 9.2 SU at PND-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1111471 |
11/16/2022 |
OEV |
Temperature Difference Between Sample and Upstream Daily Average (Mean) limit is 20 Degrees F and reported value was 21 Degrees F at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1116989 |
04/28/2023 |
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 |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1122207 |
10/24/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 9.4 SU at PND-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1123334 |
12/14/2023 |
Deficient Monitoring |
The turbidimeter was halted on December 14th at 0750 hours on and it was discovered and sampling was resumed on December 15th at 1519 hours. Halting the turbidimeter is part of the sampling process. The turbidimeter is halted to prevent a spike in turbidity during the process of flushing the sample line prior to a sampling even so that a representative sample can be taken |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1113890 |
01/31/2023 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 2.5 mg/L and reported value was 3.7 mg/L at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1111472 |
11/02/2022 |
OEV |
Temperature Difference Between Sample and Upstream Daily Average (Mean) limit is 20 Degrees F and reported value was 21 Degrees F at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1122204 |
10/03/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 9.8 SU at PND-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1122932 |
11/29/2023 |
OEV |
Temperature Difference Between Sample and Upstream Daily Average (Mean) limit is 20.0 Degrees F and reported value was 21.0 Degrees F at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1121395 |
09/05/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 10.1 SU at PND-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
N |
1126507 |
03/23/2024 |
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 70 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
N |
1123335 |
12/15/2023 |
Deficient Monitoring |
The turbidimeter was halted on December 14th at 0750 hours on and it was discovered and sampling was resumed on December 15th at 1519 hours. Halting the turbidimeter is part of the sampling process. The turbidimeter is halted to prevent a spike in turbidity during the process of flushing the sample line prior to a sampling even so that a representative sample can be taken. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1122205 |
10/10/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 9.9 SU at PND-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
Y |
1128086 |
04/30/2024 |
OEV |
Ammonium as Nitrogen Monthly Average (Mean) limit is 2.5 mg/L and reported value was 2.6 mg/L at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
442750 |
R5-2021-0003 |
N |
1080874 |
09/03/2020 |
Deficient Monitoring |
Lnd-001 sample collected on 9-3-2020 @ 9:28am was not preserved and stored in the lab for total kjeldahl nitrogen. Due to this missed sample preservation and storage, total nitrogen cannot be calculated and report for Lnd-001 on 9-3-2020 |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
N |
1071492 |
02/12/2020 |
Order Conditions |
Board staff noted that temperature measurements since 1 January 2020 have not been maintained within the required temperature range, as recorded in the logbook inside the composite sampler. WDRs Standard Provision I.D requires the Discharger to properly operate and maintain all facilities and systems of treatment and control. Proper operation and maintenance also includes adequate laboratory controls and appropriate quality assurance procedures. Board staff assert that the Facility staff have not been properly trained and do not have adequate knowledge of sample preservation; therefore, the Discharger is in violation of Standard Provision I.D. |
Violation |
N |
Inspection |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
N |
1086799 |
01/26/2021 |
OEV |
Temperature Daily Average (Mean) limit is 20 Degrees F and reported value was 21 Degrees F at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
Y |
1066039 |
09/29/2019 |
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 41 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
Y |
1068528 |
11/27/2019 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.3 SU at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
Y |
1092818 |
12/02/2020 |
OEV |
Temperature Daily Average (Mean) limit is 20 Degrees F and reported value was 21 Degrees F at EFF-001. |
Violation |
N |
Report |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
Y |
1084107 |
11/08/2020 |
Order Conditions |
On November 8, 2020 the REC-001 total coliform was 46 MPN/100ml which was the second total coliform within 30 days to exceed 23 MPN/100ml as required in IV.C.4.i.ii. The first total coliform over 23 MPN/100ml was on October 20, 2020 which was 33 MPN/100ml. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
Y |
1070243 |
12/05/2019 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.4 SU at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
Y |
1068529 |
11/28/2019 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.4 SU at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
Y |
1070244 |
12/04/2019 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.4 SU at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
Y |
1083256 |
11/08/2020 |
OEV |
Total Coliform Not to exceed a specific limit more than once within any 30-day period. limit is 23.0 MPN/100 mL and reported value was 46.0 MPN/100 mL at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
Y |
1071491 |
02/12/2020 |
Order Conditions |
During the inspection, Board staff noted that the internal temperature of the influent composite sampler read 14.5°C. WDRs Standard Provision III.B requires the Discharger to conduct sampling in accordance with 40 CFR Part 136 which specifies sample preservation temperature of 4˚C + 2˚ for proper preservation. Since the influent composite sampler is not maintained within the required temperature range, it does not meet sample preservation requirements, in violation of Standard Provision III.B. |
Violation |
N |
Inspection |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
Y |
1068527 |
11/23/2019 |
OEV |
pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.3 SU at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
Y |
1070245 |
12/03/2019 |
OEV |
pH Instantaneous Maximum limit is 6.5 SU and reported value was 6.3 SU at EFF-001. |
Violation |
N |
eSMR |
City of Manteca WW Quality Control Facility |
400860 |
R5-2015-0026 |
Y |
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