| 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. |
| 1140071 |
02/02/2025 |
Late Report |
Semi-Annual SMR ( MONNPDES ) report for H2 2024 (2841871) was due on 01-FEB-25 |
Violation |
None |
Report |
Lincoln City WWTF |
456827 |
R5-2024-0024 |
N |
| 1146070 |
08/02/2025 |
Late Report |
Semi-Annual SMR ( MONNPDES ) report for H1 2025 (2938042) was due on 01-AUG-25 |
Violation |
None |
Report |
Deuel Vocational Institution |
432991 |
R5-2019-0047 |
N |
| 1146068 |
08/02/2025 |
Late Report |
Semi-Annual SMR ( MONNPDES ) report for H1 2025 (2841872) was due on 01-AUG-25 |
Violation |
None |
Report |
Lincoln City WWTF |
456827 |
R5-2024-0024 |
N |
| 1146071 |
08/02/2025 |
Late Report |
Quarterly SMR ( MONNPDES ) report for Q2 2025 (2938040) was due on 01-AUG-25 |
Violation |
None |
Report |
Deuel Vocational Institution |
432991 |
R5-2019-0047 |
N |
| 1139034 |
01/02/2025 |
Late Report |
Monthly SMR ( MONNPDES ) report for November 2024 (2896185) was due on 01-JAN-25 |
Violation |
None |
Report |
Deuel Vocational Institution |
432991 |
R5-2019-0047 |
N |
| 1143348 |
05/02/2025 |
Late Report |
Quarterly SMR ( MONNPDES ) report for Q1 2025 (2463142) was due on 01-MAY-25 |
Violation |
None |
Report |
UC Davis Main WWTP |
442761 |
R5-2021-0007 |
Y |
| 1144001 |
06/02/2025 |
Late Report |
Monthly SMR ( MONNPDES ) report for April 2025 (2953404) was due on 01-JUN-25 |
Violation |
None |
Report |
Deuel Vocational Institution |
432991 |
R5-2019-0047 |
N |
| 1142334 |
02/06/2025 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Fats, Oil and Grease (FOG) caused 8900 gallons of sewage |
Violation |
None |
SSO |
City of Stockton MUD CS |
318618 |
2022-0103-DWQ |
N |
| 1136547 |
10/31/2024 |
CAT1 |
Nitrite Plus Nitrate (as N) Monthly Average (Mean) limit is 10 mg/L and reported |
Violation |
N |
eSMR |
Cascade Shores WWTP |
442921 |
R5-2023-0025 |
Y |
| 1140600 |
01/31/2025 |
CAT2 |
Zinc, Total Monthly Average limit is 30 ug/L and reported value was 56 ug/L at E |
Violation |
N |
eSMR |
Donner Summit PUD WWTP |
443214 |
R5-2021-0023 |
Y |
| 1140613 |
01/28/2025 |
Deficient Monitoring |
Contract lab failed to perform the nitrate analysis within the required hold tim |
Violation |
N |
eSMR |
Lincoln City WWTF |
456827 |
R5-2024-0024 |
Y |
| 1141696 |
02/04/2025 |
Surface Water |
During Event #3, the turbidity increased from the upstream receiving water locat |
Violation |
N |
eSMR |
Sac City Combined WW Collection/TRT Sys |
440651 |
R5-2020-0039 |
Y |
| 1143712 |
04/09/2025 |
CAT2 |
Zinc, Total Recoverable Monthly Average limit is 30 ug/L and reported value was |
Violation |
N |
eSMR |
Donner Summit PUD WWTP |
443214 |
R5-2021-0023 |
Y |
| 1145897 |
07/05/2025 |
Deficient Monitoring |
Final Effluent Total Suspended Solids(TSS) Analysis was not performed for the we |
Violation |
N |
eSMR |
Pleasant Grove WWTP |
432817 |
R5-2023-0025 |
Y |
| 1138267 |
11/07/2024 |
Order Conditions |
Turbidity instantaneous maximum limit is 0.5 NTU and reporting value was 0.580 a |
Violation |
N |
eSMR |
Lake of the Pines WWTP |
439955 |
R5-2023-0025 |
Y |
| 1139631 |
12/31/2024 |
CTOX |
Chronic Toxicity 3-Sample Median limit is 25 % effect and reported value was 46 |
Violation |
N |
eSMR |
UC Davis Main WWTP |
442761 |
R5-2021-0007 |
Y |
| 1142106 |
02/04/2025 |
Unauthorized Discharge |
the Pioneer Reservoir on 04 February 2025. The lapse sodium bisulfite dosing lik |
Violation |
N |
Report |
Sac City Combined WW Collection/TRT Sys |
440651 |
R5-2020-0039 |
Y |
| 1143384 |
02/19/2025 |
CTOX |
Chronic Toxicity-C.dubia-Reproduction 3-Sample Median limit is 25 % effect and r |
Violation |
N |
eSMR |
UC Davis Main WWTP |
442761 |
R5-2021-0007 |
Y |
| 1147939 |
08/05/2025 |
CAT2 |
Bis (2-Ethylhexyl) Phthalate Monthly Average limit is 1.8 ug/L and reported valu |
Violation |
N |
eSMR |
Auburn WWTP |
448871 |
R5-2023-0025 |
Y |
| 1141740 |
02/25/2025 |
Deficient Monitoring |
The Discharger stated the total coliform samples collected on 25 and 26 February |
Violation |
N |
eSMR |
Woodland Water Pollution Control Facility |
438341 |
R5-2020-0015 |
Y |
| 1147940 |
08/05/2025 |
CAT2 |
Bis (2-Ethylhexyl) Phthalate Weekly Average limit is 5 ug/L and reported value w |
Violation |
N |
eSMR |
Auburn WWTP |
448871 |
R5-2023-0025 |
Y |
| 1147957 |
06/12/2025 |
Deficient Monitoring |
A total coliform result was not reported on 06/12/2025. The Discharger stated th |
Violation |
N |
eSMR |
Woodland Water Pollution Control Facility |
438341 |
R5-2020-0015 |
Y |
| 1145162 |
04/02/2025 |
Order Conditions |
Temperature Difference Between Sample and Upstream Instantaneous Maximum limit i |
Violation |
N |
eSMR |
Empire Mine State Historic Park |
413314 |
R5-2022-0006-02 |
N |
| 1145221 |
06/25/2025 |
Surface Water |
On June 25, 2025, Receiving Stream natural temperature was measured to have incr |
Violation |
N |
eSMR |
Lake Wildwood WWTP |
439953 |
R5-2023-0025 |
N |
| 1145103 |
04/07/2025 |
Groundwater |
MW-1 exceeded its groundwater quality goal for total coliform had a pH value low |
Violation |
N |
eSMR |
Lincoln City WWTF |
456827 |
R5-2024-0024 |
N |
| 1145102 |
04/07/2025 |
Groundwater |
MW-3 had a total manganese and pH low, water quality goal exceedance. |
Violation |
N |
eSMR |
Lincoln City WWTF |
456827 |
R5-2024-0024 |
N |
| 1145198 |
06/03/2025 |
Order Conditions |
Turbidity instantaneous maximum limit is 0.500 NTU and the reporting value was 0 |
Violation |
N |
eSMR |
Lake of the Pines WWTP |
439955 |
R5-2023-0025 |
N |
| 1145099 |
04/07/2025 |
Groundwater |
Groundwater pH was below the groundwater water quality goal at MW-5. |
Violation |
N |
eSMR |
Lincoln City WWTF |
456827 |
R5-2024-0024 |
N |
| 1148360 |
09/10/2025 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 M |
Violation |
N |
eSMR |
Nevada City WWTP |
448476 |
R5-2022-0039 |
N |
| 1148314 |
09/10/2025 |
CAT1 |
Ammonia, Total (as N) Weekly Average limit is 2.7 mg/L and reported value was 6. |
Violation |
N |
eSMR |
Thunder Valley Casino WWTP |
442169 |
R5-2023-0025 |
N |
| 1148312 |
09/30/2025 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 1.3 mg/L and reported value was 2 |
Violation |
N |
eSMR |
Thunder Valley Casino WWTP |
442169 |
R5-2023-0025 |
N |
| 1145100 |
04/07/2025 |
Groundwater |
Groundwater pH was below the groundwater quality goal at MW-2. |
Violation |
N |
eSMR |
Lincoln City WWTF |
456827 |
R5-2024-0024 |
N |
| 1142810 |
02/04/2025 |
CAT1 |
Manganese, Total Monthly Average limit is 80 ug/L and reported value was 100 ug/ |
Violation |
N |
eSMR |
Empire Mine State Historic Park |
413314 |
R5-2022-0006-02 |
N |
| 1145101 |
04/07/2025 |
Groundwater |
Groundwater pH was below the groundwater quality goal at MW-4. |
Violation |
N |
eSMR |
Lincoln City WWTF |
456827 |
R5-2024-0024 |
N |
| 1148313 |
09/03/2025 |
CAT1 |
Ammonia, Total (as N) Weekly Average limit is 2.7 mg/L and reported value was 4. |
Violation |
N |
eSMR |
Thunder Valley Casino WWTP |
442169 |
R5-2023-0025 |
N |
| 1140605 |
01/09/2025 |
Order Conditions |
Turbidity instantaneous maximum limit is 0.500 NTU & the reporting value was 0.5 |
Violation |
N |
eSMR |
Lake of the Pines WWTP |
439955 |
R5-2023-0025 |
Y |
| 1138442 |
11/22/2024 |
Surface Water |
Receiving Water Violation: During Event #1, the turbidity increased from the ups |
Violation |
N |
eSMR |
Sac City Combined WW Collection/TRT Sys |
440651 |
R5-2020-0039 |
Y |
| 1144379 |
05/27/2025 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.3 M |
Violation |
N |
eSMR |
UC Davis Main WWTP |
442761 |
R5-2021-0007 |
Y |
| 1141741 |
02/26/2025 |
Deficient Monitoring |
The Discharger stated the total coliform samples collected on 25 and 26 February |
Violation |
N |
eSMR |
Woodland Water Pollution Control Facility |
438341 |
R5-2020-0015 |
Y |
| 1140604 |
01/21/2025 |
Order Conditions |
Turbidity exceeded 0.2 NTU for 106 minutes on 1/21 where the limit is no greater |
Violation |
N |
eSMR |
Lake of the Pines WWTP |
439955 |
R5-2023-0025 |
Y |
| 1147959 |
06/04/2025 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.8 M |
Violation |
N |
eSMR |
Woodland Water Pollution Control Facility |
438341 |
R5-2020-0015 |
Y |
| 1148361 |
09/11/2025 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 M |
Violation |
N |
eSMR |
Nevada City WWTP |
448476 |
R5-2022-0039 |
N |
| 1145662 |
04/26/2025 |
Deficient Monitoring |
Weekly monitoring for dissolved oxygen, pH, and temperature was not performed fo |
Violation |
N |
Report |
Sterling Caviar LLC, Elverta |
447011 |
R5-2022-0005 |
Y |
| 1147958 |
06/05/2025 |
OEV |
Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 7.8 M |
Violation |
N |
eSMR |
Woodland Water Pollution Control Facility |
438341 |
R5-2020-0015 |
Y |
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