| 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. |
| 1141361 |
11/15/2024 |
Deficient Monitoring |
Failure to submit the Annual Facility Inspection Report due by 15 November. |
Violation |
None |
Report |
City of Los Banos Solid Waste Disposal Site |
437899 |
R5-2020-0020 |
N |
| 1141109 |
08/31/2023 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 90 mg/L and reported value was 98.0 mg/L. |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
Y |
| 1141108 |
09/30/2023 |
Deficient Reporting |
3rd Quarter SMR 2023: All of 3rd quarter freeboard pond monitoring is missing and it was not reported in the introduction. The freeboard shall be taken weekly. |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1141107 |
02/28/2023 |
Deficient Reporting |
1st Quarter SMR 2023: The Discharger did not report that an Effluent BOD sample was missing on the month of January. For effluent monitoring, BOD shall be sampled 2/month. Only 1 BOD sample was obtained. The Discharger did not report that a pond pH and DO sample was missing for pond 7 on 02/22/23. Pond monitoring for pH and DO shall be 1/week. Inccorect statement in the executive summary section of the report: According to the Land Application Monitoring tables, effluent was discharged during this quarter on March. |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1141106 |
11/22/2022 |
Deficient Reporting |
4th Quarter SMR 2022: Missing one weekly EC reading for Influent Monitoring. |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1141105 |
09/30/2022 |
Deficient Reporting |
3rd Quarter SMR 2022: The Discharger did not report that an Effluent BOD sample was missing on the month of September. For effluent monitoring, BOD shall be sampled 2/month. Only 1 BOD sample was obtained. |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1141104 |
06/30/2022 |
Deficient Reporting |
2nd Quarter SMR 2022: The Discharger did not report that an Effluent BOD sample was missing on the month of June. For effluent monitoring, BOD shall be sampled 2/month. Only 1 BOD sample was obtained. Missing weekly pond monitoring for pH and DO on ponds 3, 4, and 7. It was not reported. |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1141103 |
03/31/2022 |
Deficient Reporting |
1st Quarter SMR 2022: Missing General Minerals from effluent monitoring. Samples shall be collected twice per year during the first quarter (January-March) and the third quarter (July-September). |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1141102 |
09/30/2021 |
Deficient Reporting |
3rd Quarter SMR 2021: Missing continuous influent flow monitoring results. Missing continuous effluent flow monitoring results for the months of August and September. Effluent was discharged to the East Land Application Area during August and September, during the 3rd quarter of 2021. Flow measurements may be based on flow meter readings or pump run time estimates. The method of measurement must be specified. It was mentioned in the Executive Summary section of the report that Effluent was discharged to the East LAA. Daily monitoring results for Land Application Area monitoring is missing. Specifically, missing daily fields irrigated, irrigation flow, irrigation loading, and precipitation. It was not called out as missing. The monthly average results are only provided in the table. In addition, the Discharger shall perform the routine monitoring and loading calculations for each discrete irrigation area within the LAA each day when wastewater is applied (August and September). |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1141101 |
08/04/2021 |
Deficient Reporting |
2nd Quarter SMR 2021: Missing a signature and date on the Monitoring Report Submittal Transmittal Form. |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1141100 |
05/31/2021 |
Deficient Monitoring |
2nd Quarter SMR 2021: Monitoring for Influent pH, EC, TSS, Nitrate as N, Nitrite as N, TKN, and Total Nitrogen is missing for the month of May. Monitoring for Effluent EC (1/week), Nitrate as N, Nitrite as N, TKN, Total Nitrogren is missing. Missing continuous effluent flow monitoring for the month of May since there was effluent actively being discharged to the LAAs. Daily monitoring results for Land Application Area monitoring is missing. Specifically, missing daily fields irrigated (acres), irrigation flow, irrigation loading, and precipitation. The monthly average results are only provided in the table. In addition, the Discharger shall perform the routine monitoring and loading calculations for each discrete irrigation area within the LAA each day when wastewater is applied (May). The month of May was called out as missing due to the misunderstanding of new MRP effective date of 1 June 2021. |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1141099 |
06/30/2022 |
Order Conditions |
2nd Quarter SMR 2022: In violation of Influent Limitations C.2, where the 12-month rolling average EC of the influent shall not exceed a maximum average of 2,380 umhos/cm. The reported value was 2,381 us/cm. |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1141098 |
10/23/2021 |
Late Report |
The Groundwater Supply Well Survey technical report was due on 22 October 2021. It was submitted on 11 April 2022 (171 days late). |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1141097 |
02/03/2022 |
Late Report |
4th Quarter SMR 2021 due on 1 February 2022. Late by 2 days. |
Violation |
None |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1141096 |
08/04/2021 |
Late Report |
2nd Quarter SMR 2021 due on 1 August 2021. Late by 3 days. |
Violation |
N |
Report |
Los Banos WWTF |
443394 |
R5-2021-0026 |
N |
| 1128469 |
01/17/2024 |
Late Report |
Failure to submit annual report of updated financial assurances by 1 June. Financial Assurances Specification No. 2 of WDRs Order R5-2020-0020 |
Violation |
None |
Report |
City of Los Banos Solid Waste Disposal Site |
437899 |
R5-2020-0020 |
N |
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