| 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. |
| 1153029 |
03/31/2026 |
Deficient Monitoring |
Total Chlorine Residual is required to be monitored continuously by meter. |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
N |
| 1153030 |
03/31/2026 |
CAT1 |
Aluminum, Total Recoverable Monthly Average limit is 290 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
N |
| 1153031 |
03/04/2026 |
CAT1 |
Aluminum, Total Recoverable Weekly Average limit is 370 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
N |
| 1151955 |
02/28/2026 |
Deficient Monitoring |
Total Chlorine Residual is required to be monitored continuously by meter. |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
N |
| 1151953 |
02/28/2026 |
CAT1 |
Aluminum, Total Recoverable Monthly Average limit is 290 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
N |
| 1151954 |
02/04/2026 |
CAT1 |
Aluminum, Total Recoverable Weekly Average limit is 370 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
N |
| 1151319 |
01/31/2026 |
CAT2 |
Copper, Total Recoverable Monthly Average limit is 6.7 ug/L and reported value w |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
N |
| 1151320 |
01/31/2026 |
CAT1 |
BOD5 @ 20 Deg. C, Percent Removal Percent Removal limit is 85 % and reported val |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
N |
| 1151318 |
01/31/2026 |
CAT1 |
Aluminum, Total Recoverable Monthly Average limit is 290 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
N |
| 1151352 |
01/26/2026 |
Deficient Monitoring |
Lab added MOPS buffer and adjusted the sample to pH of 7.0 prior to acute toxici |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
N |
| 1151684 |
12/31/2025 |
Deficient Monitoring |
Total Chlorine Residual is required to be monitored continuously by meter. Grab |
Violation |
N |
Report |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1150302 |
12/31/2025 |
CAT1 |
Total Suspended Solids (TSS), Percent Removal Percent Removal limit is 85 % and |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1150303 |
12/31/2025 |
CAT1 |
Aluminum, Total Recoverable Monthly Average limit is 290 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1150298 |
12/03/2025 |
CAT1 |
Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1150304 |
12/03/2025 |
CAT1 |
Aluminum, Total Recoverable Weekly Average limit is 370 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1149882 |
11/30/2025 |
CAT1 |
Aluminum, Total Recoverable Monthly Average limit is 290 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1149878 |
11/30/2025 |
CAT1 |
Total Suspended Solids (TSS), Percent Removal Monthly Average limit is 85 % and |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1149880 |
11/30/2025 |
CAT1 |
BOD5 @ 20 Deg. C, Percent Removal Monthly Average limit is 85 % and reported val |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1150993 |
11/30/2025 |
Deficient Monitoring |
Total Chlorine Residual is required to be monitored continuously by meter. Grab |
Violation |
N |
Report |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1150994 |
11/24/2025 |
Deficient Monitoring |
Lab added MOPS buffer and adjusted the sample to pH of 7.0 prior to acute toxici |
Violation |
N |
Report |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1149881 |
11/05/2025 |
CAT1 |
Aluminum, Total Recoverable Weekly Average limit is 370 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1149094 |
10/31/2025 |
CAT2 |
Copper, Total Recoverable Monthly Average limit is 6.7 ug/L and reported value w |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1149090 |
10/31/2025 |
CAT1 |
Aluminum, Total Recoverable Monthly Average limit is 290 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1149093 |
10/31/2025 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 30 |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1149095 |
10/22/2025 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 m |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1149092 |
10/01/2025 |
CAT1 |
Aluminum, Total Recoverable Weekly Average limit is 370 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1148020 |
09/30/2025 |
CAT1 |
Aluminum, Total Recoverable Monthly Average limit is 290 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1148022 |
09/24/2025 |
OEV |
Total Coliform Weekly Average limit is 23 MPN/100 mL and reported value was 49 M |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1148021 |
09/06/2025 |
CAT1 |
Aluminum, Total Recoverable Weekly Average limit is 370 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1147130 |
08/31/2025 |
CAT1 |
Aluminum, Total Recoverable Monthly Average limit is 290 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1147129 |
08/09/2025 |
CAT1 |
Aluminum, Total Recoverable Weekly Average limit is 370.0 ug/L and reported valu |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1145765 |
07/31/2025 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 30. |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1145770 |
07/31/2025 |
CAT2 |
Copper, Total Recoverable Monthly Average limit is 6.7 ug/L and reported value w |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1145775 |
07/31/2025 |
CAT1 |
Aluminum, Total Recoverable Monthly Average limit is 290 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1149821 |
07/21/2025 |
ATOX |
Acute Toxicity-Fathead Minnow-survival 3-Sample Median limit is 90.0 % effect an |
Violation |
N |
Report |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1145769 |
07/09/2025 |
OEV |
Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 33 MPN |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1145774 |
07/09/2025 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 m |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1145768 |
07/02/2025 |
OEV |
Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 1600 |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1145772 |
07/02/2025 |
CAT1 |
Aluminum, Total Recoverable Weekly Average limit is 370 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1144507 |
06/30/2025 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 30. |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1144504 |
06/30/2025 |
CAT1 |
Aluminum, Total Recoverable Monthly Average limit is 290 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1144506 |
06/28/2025 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 m |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1144505 |
06/07/2025 |
CAT1 |
Aluminum, Total Recoverable Weekly Average limit is 370.0 ug/L and reported valu |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1143917 |
05/31/2025 |
CAT1 |
Aluminum, Total Recoverable Monthly Average limit is 290 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1143916 |
05/31/2025 |
CAT2 |
Copper, Total Recoverable Monthly Average limit is 6.7 ug/L and reported value w |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1143915 |
05/07/2025 |
CAT1 |
Aluminum, Total Recoverable Weekly Average limit is 370 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1143107 |
04/30/2025 |
CAT1 |
Aluminum, Total Recoverable Monthly Average limit is 290 ug/L and reported value |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
| 1143106 |
04/30/2025 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 30 |
Violation |
N |
eSMR |
Alturas Municipal WWTP |
428906 |
R5-2020-0004 |
Y |
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