Violation ID |
Occurred Date |
Violation Type |
(-) Violation Description |
Corrective Action |
Status |
Classification |
Source |
1132994 |
08/05/2024 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at UVS-002. |
Staff cleaned the system which appears to have resolved the problem. |
Violation |
U |
eSMR |
1132993 |
08/01/2024 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at UVS-002. |
Staff cleaned the system which appears to have resolved the problem. |
Violation |
U |
eSMR |
1124739 |
01/16/2024 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at UVS-002. |
Staff will conduct cleaning and maintenance of the UV system to avoid future violations.
|
Violation |
B |
eSMR |
1124738 |
01/10/2024 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at UVS-002. |
Staff will conduct cleaning and maintenance of the UV system to avoid future violations.
|
Violation |
B |
eSMR |
1119795 |
07/29/2023 |
DMON |
Ammonia was reported only 1x/week for the week ending 7/29, and total coliform was reported only 2x/week for the week ending 7/29. |
The lab does not typically need to void samples so this is not likely to occur again. |
Violation |
B |
eSMR |
1119155 |
06/30/2023 |
DMON |
Discharger did not report characterization monitoring at EFF-001 and RSW-001 during Q2 2023 as required in the NOA, due to a laboratory error. |
|
Violation |
B |
Report |
1118322 |
05/18/2023 |
DMON |
Discharger did not report BOD at EFF-001 at the required frequency (NOA requires 1/week, and discharger reported BOD 0/week). |
City staff and lab personnel will ensure samples are processed within hold time |
Violation |
B |
eSMR |
1115798 |
04/05/2023 |
Order Conditions |
4/5/2023 CEI found that effluent flow meter had not been calibrated since 8/25/2020, and MRP section I.D requires calibration at least yearly. |
|
Violation |
B |
Inspection |
1111695 |
11/28/2022 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at UVS-002. |
Maintaining lower turbidities has improved our coliform results. |
Violation |
B |
eSMR |
1111693 |
11/23/2022 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.2 MPN/100 mL at EFF-001. |
Maintaining lower turbidities has improved our coliform results. |
Violation |
B |
eSMR |
1111694 |
11/22/2022 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.3 MPN/100 mL at EFF-001. |
Maintaining lower turbidities has improved our coliform results. |
Violation |
B |
eSMR |
1107860 |
07/31/2022 |
DMON |
Discharger did not report EC monthly as required in the WDRs. |
We have requested that all future voided samples be communicated to the City. |
Violation |
B |
eSMR |
1106763 |
06/30/2022 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.0 MPN/100 mL at UVS-002. |
We have replaced many electronic parts of our UV system in effort to improve system performance (ballasts, lamps, receptacles, wiring, etc.) |
Violation |
B |
eSMR |
1106764 |
06/29/2022 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.0 MPN/100 mL at UVS-002. |
We have replaced many electronic parts of our UV system in effort to improve system performance (ballasts, lamps, receptacles, wiring, etc.) |
Violation |
B |
eSMR |
1106997 |
06/18/2022 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 mg/L and reported value was 17 mg/L at EFF-001. |
|
Violation |
B |
Report |
1103769 |
03/31/2022 |
DMON |
Discharger did not monitor DOC at RSW-001 and RSW-002 during Q1 2022 as required in the MRP. |
The new permit that began February 2022 requires dissolved organic carbon to be sampled at RSW-001 and RSW-002, the permit ending January 2022 does not. Our contracted lab will initiate this testing in Q2, the first full quarter under the new discharge permit. |
Violation |
B |
eSMR |
1103770 |
03/31/2022 |
DMON |
Discharger sampled NO2/NO3 only once in March instead of twice as required in the MRP. Discharger recorded the number of UV banks in use only once during 2-31 March , instead of continuously as required in the MRP. |
Staff has been directed to sample twice monthly in the future. |
Violation |
B |
eSMR |
1100009 |
12/31/2021 |
DMON |
The SPL-001 sample was received by our contract laboratory, but only the EC result was reported. |
In the future we will verify the contract laboratory reports both EC and TDS results. |
Violation |
B |
eSMR |
1099943 |
12/23/2021 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 17.0 MPN/100 mL at EFF-001. |
The UV system was cleaned and is on a schedule for ongoing cleaning |
Violation |
B |
eSMR |
1099945 |
12/22/2021 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 17.0 MPN/100 mL at EFF-001. |
The UV system was cleaned and is on a schedule for ongoing cleaning |
Violation |
B |
eSMR |
1099944 |
12/20/2021 |
OEV |
Total Coliform 7-Day Median limit is 2.0 MPN/100 mL and reported value was 17.0 MPN/100 mL at EFF-001. |
The UV system was cleaned and is on a schedule for ongoing cleaning |
Violation |
B |
eSMR |
1093729 |
07/29/2021 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 11 MPN/100 mL at UVS-002. |
The UV system was cleaned and inspected after these exceedances, subsequent samples received results below our effluent discharge limitation. |
Violation |
B |
eSMR |
1093730 |
07/28/2021 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 11.0 MPN/100 mL at EFF-001. |
The UV system was cleaned and inspected after these exceedances, subsequent samples received results below our effluent discharge limitation. |
Violation |
B |
eSMR |
1091539 |
05/22/2021 |
CAT1 |
Ammonia, Total (as N) Weekly Average (Mean) limit is 3.5 mg/L and reported value was 5.8 mg/L at EFF-001. |
Since receiving these reports, we have calibrated our instrumentation and improved our sampling protocols. |
Violation |
B |
eSMR |
1091538 |
05/15/2021 |
CAT1 |
Ammonia, Total (as N) Weekly Average (Mean) limit is 3.5 mg/L and reported value was 9.9 mg/L at EFF-001. |
Since receiving these reports, we have calibrated our instrumentation and improved our sampling protocols. |
Violation |
B |
eSMR |
1092901 |
05/15/2021 |
CAT1 |
Ammonia, Total (as N) Weekly Average limit is 81 lb/day and reported value was 91 lb/day at EFF-001. |
|
Violation |
B |
Report |
1085620 |
12/31/2020 |
DMON |
Discharger did not monitor TDS at SPL-001 at the required frequency. |
In the future we will verify the lab reports results for both EC and TDS. |
Violation |
B |
eSMR |
1081768 |
08/26/2020 |
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 |
B |
Report |
1079954 |
08/03/2020 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 7.8 MPN/100 mL at EFF-001. |
These positive results were noted in the previous report and we have taken corrective measures by increasing the frequency of maintenance and cleaning of the UV system. |
Violation |
B |
eSMR |
1078968 |
07/30/2020 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 7.8 MPN/100 mL at EFF-001. |
As a corrective measure, sampling training will be provided and increased frequency of UV system maintenance. |
Violation |
B |
eSMR |
1078967 |
07/28/2020 |
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. |
Sampling training and increased frequency of UV system maintenance. |
Violation |
B |
eSMR |
1073522 |
03/19/2020 |
DMON |
Only one Ammonia (as N) sample was collected during the week ending 3/21/2020. |
All samples shall be collected in the future. |
Violation |
B |
eSMR |
1071445 |
01/16/2020 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.3 MPN/100 mL at EFF-001. |
Increased maintenance and cleaning frequency of the UV system. |
Violation |
B |
eSMR |
1071705 |
12/31/2019 |
DMON |
Discharger failed to monitor at the required frequency for (1) ammonia in the week ending 12/7/19 and (2) BOD in the week ending 12/14/19. |
We will continue to adhere to the required monitoring frequency. |
Violation |
B |
eSMR |
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
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