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. |
1073393 |
02/27/2020 |
CAT1 |
Ammonia, Total (as N) Daily Maximum limit is 5.6 mg/L and reported value was 6.0 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
Y |
1106676 |
01/02/2022 |
Unauthorized Discharge |
The City of Ukiah Recycled Water System experienced an unauthorized discharge of |
Violation |
None |
Report |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
Y |
1073399 |
03/31/2020 |
CAT2 |
Copper, Total Monthly Average limit is 21 ug/L and reported value was 21.5 ug/L |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
Y |
1073400 |
03/18/2020 |
CAT1 |
Ammonia, Total (as N) Daily Maximum limit is 5.6 mg/L and reported value was 11 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
Y |
1073389 |
02/29/2020 |
CAT1 |
Ammonia, Total (as N) Monthly Average (Mean) limit is 2.5 mg/L and reported valu |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
Y |
1073397 |
03/05/2020 |
CAT1 |
Ammonia, Total (as N) Daily Maximum limit is 5.6 mg/L and reported value was 9.7 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
Y |
1073383 |
03/31/2020 |
CAT1 |
Ammonia, Total (as N) Monthly Average (Mean) limit is 2.5 mg/L and reported valu |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
Y |
1073382 |
03/27/2020 |
CAT2 |
Chlorine, Total Residual Maximum Daily (MDEL) limit is 0.02 mg/L and reported va |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
Y |
1077646 |
04/02/2020 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 2.5 mg/L and reported value was 6 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
Y |
1077647 |
04/02/2020 |
CAT1 |
Ammonia, Total (as N) Daily Maximum limit is 5.6 mg/L and reported value was 9.8 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
Y |
1073401 |
02/23/2020 |
CAT1 |
Ammonia, Total (as N) Daily Maximum limit is 5.6 mg/L and reported value was 8.8 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
Y |
1073402 |
03/11/2020 |
Deficient Monitoring |
The wrong chain of custody file was generated resulting in the lack of a request |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085123 |
12/31/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085119 |
12/12/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1073404 |
03/11/2020 |
Deficient Monitoring |
The wrong chain of custody file was generated resulting in the lack of a request |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1116015 |
01/24/2023 |
CAT2 |
Copper, Total Maximum Daily (MDEL) limit is 40 ug/L and reported value was 68 ug |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080727 |
09/30/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1126671 |
03/30/2024 |
OEV |
Total Coliform Weekly Average limit is 23 MPN/100 mL and reported value was 70 M |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1135065 |
08/31/2024 |
Deficient Monitoring |
August 20th 2024: The Coliform sample collected for monitoring location EFF-002 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1106677 |
04/21/2022 |
OEV |
Flow Daily Average (Mean) limit is 4.0 MGD and reported value was 4.073 MGD at E |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080717 |
07/29/2020 |
Deficient Monitoring |
Due to a lab error at the contract laboratory, the BOD sample taken on 7/29/20 w |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080720 |
09/09/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1099693 |
10/06/2021 |
Deficient Monitoring |
Did not collect weekly pH value for REC-001 week of October 6th 2021. |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1099692 |
12/31/2021 |
Deficient Monitoring |
Did not collect monthly monitoring sample for EFF-002 in October (Ammonia (N), N |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1116018 |
01/31/2023 |
CAT2 |
Copper, Total Monthly Average limit is 21 ug/L and reported value was 34 ug/L at |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1130256 |
06/30/2024 |
OEV |
Total Coliform Not to exceed a specific limit more than once within any 30-day p |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085117 |
11/07/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080715 |
09/07/2020 |
OEV |
CT (Cl residual * contact time) Daily Minimum limit is 450 mg-min/L and reported |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080725 |
10/09/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1116016 |
01/17/2023 |
OEV |
Surface Loading Rate Instantaneous Maximum limit is 5 gpm/sqft and reported valu |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1126664 |
02/17/2024 |
OEV |
Total Coliform Weekly Average limit is 23 MPN/100 mL and reported value was 33 M |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1092690 |
06/09/2021 |
Deficient Monitoring |
Due to sample mislabeling the BOD sample taken for the week of 6/12/21 for INF-0 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1121466 |
09/30/2023 |
Deficient Monitoring |
Specific Conductance was not measured at site EFF-002 during the month of Septem |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085116 |
10/31/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1126665 |
03/23/2024 |
OEV |
Total Coliform Weekly Average limit is 23 MPN/100 mL and reported value was 33 M |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1139588 |
11/07/2024 |
Deficient Monitoring |
The TSS Sample that was collected on 11/07/2024 for location INF-001 was submitt |
Violation |
N |
eSMR |
Ukiah City WWTP |
458153 |
R1-2024-0016 |
N |
1119006 |
06/10/2023 |
OEV |
Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 1011 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080724 |
09/02/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1130257 |
06/29/2024 |
OEV |
Total Coliform Monthly Maximum limit is 240 MPN/100 mL and reported value was 30 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1073384 |
03/11/2020 |
Deficient Monitoring |
The wrong chain of custody file was generated resulting in the lack of a request |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1073386 |
03/11/2020 |
Deficient Monitoring |
The wrong chain of custody file was generated resulting in the lack of a request |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085120 |
11/07/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085113 |
10/31/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 30 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1092687 |
05/21/2021 |
Deficient Monitoring |
No dissolved oxygen reading was taken during sampling at river monitoring locati |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085118 |
11/30/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1126670 |
02/03/2024 |
OEV |
Total Coliform Weekly Average limit is 23 MPN/100 mL and reported value was 130 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1126175 |
03/11/2024 |
Unauthorized Discharge |
Unauthorized discharge of between 438,000 gallons and 525,000 gallons of seconda |
Violation |
None |
Complaint |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1096136 |
08/24/2021 |
OEV |
Total Coliform Monthly Maximum limit is 240 MPN/100 mL and reported value was 24 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085121 |
11/30/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 30 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085112 |
11/14/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080718 |
07/29/2020 |
Deficient Monitoring |
Due to a lab error at the contract laboratory, the BOD sample taken on 7/29/20 w |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1110783 |
09/03/2022 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1126666 |
03/11/2024 |
Order Conditions |
March 11, 2024 - Between 438,000 and 525,000 gallons of Secondary Treated Wastew |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1112741 |
10/05/2020 |
Deficient Monitoring |
The NPDES permit requires a once per term limit monitoring of CTR and Title 22 P |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1073385 |
03/11/2020 |
Deficient Monitoring |
The wrong chain of custody file was generated resulting in the lack of a request |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085114 |
10/17/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080726 |
09/16/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1116017 |
01/19/2023 |
Order Conditions |
Surface Loading Rate Instantaneous Maximum limit is 5 gpm/sqft and reported valu |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1073403 |
03/11/2020 |
Deficient Monitoring |
The wrong chain of custody file was generated resulting in the lack of a request |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1109650 |
07/23/2022 |
Deficient Monitoring |
No sample was collected for pH at sample location REC-001 during the third week |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1126663 |
02/22/2024 |
CAT2 |
Chlorine, Total Residual Maximum Daily (MDEL) limit is 0.02 mg/L and reported va |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1116012 |
01/24/2023 |
OEV |
CT (Cl residual * contact time) Daily Minimum limit is 450 mg-min/L and reported |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1139589 |
11/26/2024 |
OEV |
Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 240 MP |
Violation |
N |
eSMR |
Ukiah City WWTP |
458153 |
R1-2024-0016 |
N |
1096137 |
07/14/2021 |
Deficient Monitoring |
The pH data for REC-001 taken 7/14/21 was lost due to a malfunction with the fie |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1077645 |
06/17/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080721 |
09/16/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1119007 |
06/08/2023 |
Order Conditions |
Surface Loading Rate Instantaneous Maximum limit is 5 gpm/sqft and reported valu |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1119005 |
06/30/2023 |
Deficient Monitoring |
RSW-003, RSW-004, RSW-005 - No turbidity value recorded during may sampling even |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080716 |
07/22/2020 |
CAT1 |
Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1109649 |
07/24/2022 |
OEV |
CT (Cl residual * contact time) Daily Minimum limit is 450 mg-min/L and reported |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1116014 |
01/23/2023 |
OEV |
CT (Cl residual * contact time) Daily Minimum limit is 450 mg-min/L and reported |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1126667 |
01/20/2024 |
OEV |
Total Coliform Weekly Average limit is 23 MPN/100 mL and reported value was 26 M |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1092689 |
06/09/2021 |
Deficient Monitoring |
Due to sample mislabeling the BOD sample taken for the week of 6/12/21 for EFF-0 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085122 |
12/05/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080723 |
09/02/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085115 |
10/24/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1126669 |
02/21/2024 |
CAT2 |
Chlorine, Total Residual Maximum Daily (MDEL) limit is 0.02 mg/L and reported va |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1096138 |
08/25/2021 |
OEV |
CT (Cl residual * contact time) Daily Minimum limit is 450 mg-min/L and reported |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1085111 |
10/10/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1092688 |
04/30/2021 |
Deficient Monitoring |
No coliform sample was taken on 4/30/2021 for sampling location REC-001 while di |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080719 |
07/29/2020 |
Deficient Monitoring |
Due to a lab error at the contract laboratory, the BOD sample taken on 7/29/20 w |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1080722 |
09/30/2020 |
CAT1 |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 30 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1116019 |
01/20/2023 |
OEV |
CT (Cl residual * contact time) Daily Minimum limit is 450 mg-min/L and reported |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1116013 |
01/18/2023 |
OEV |
Surface Loading Rate Instantaneous Maximum limit is 5 gpm/sqft and reported valu |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1112919 |
10/26/2022 |
Order Conditions |
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 m |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
1096139 |
09/29/2021 |
OEV |
Total Coliform Weekly Average limit is 23 MPN/100 mL and reported value was 170 |
Violation |
N |
eSMR |
Ukiah City WWTP |
413425 |
R1-2018-0035 |
N |
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