Violation ID |
Occurred Date |
Violation Type |
(-) Violation Description |
Corrective Action |
Status |
Classification |
Source |
1127557 |
03/07/2024 |
CTOX |
Chronic Toxicity-Green Alga-Growth Daily Discharge limit is 0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
Future discharges will be reduced/ eliminated by lowering the Lake level based on climatic predictions. |
Violation |
U |
eSMR |
1127556 |
02/05/2024 |
OEV |
Flow Daily Discharge limit is 3.3 MGD and reported value was 9.51 MGD at EFF-001. |
The discharge will be reduced/ eliminated by reducing the lake level prior to the rain event based on weather predictions. |
Violation |
U |
eSMR |
1127321 |
12/31/2023 |
Deficient Reporting |
List of priority pollutants are not all sampled for at a frequency of 2/year as stated in the permit under effluent monitoring requirements. |
|
Violation |
B |
Report |
1116773 |
03/14/2023 |
OEV |
Flow Daily Maximum limit is 3.3 MGM and reported value was 3.7 MGM at EFF-001. |
The Lake level will be lowered evaluating whether predictions to accommodate high continues rainfall events |
Violation |
B |
eSMR |
1096590 |
03/01/2023 |
Deficient Reporting |
chronic tox, E. Coli, oil and gas, TSS and total recoverable copper, lead and zinc were not reported during the discharge event of 3/1/23 |
|
Violation |
B |
eSMR |
1116768 |
02/24/2023 |
CTOX |
Chronic Toxicity Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
Toxicity evaluation will be carried out to investigate the substances promote chronic toxicity to above species and corrective measures will be taken to eliminate or minimize the contact. In addition, Lake water levels will be maintained low based on weather predictions to eliminate discharge. |
Violation |
B |
eSMR |
1116770 |
02/24/2023 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
Toxicity evaluation will be carried out to investigate the substances promote chronic toxicity to above species and corrective measures will be taken to eliminate or minimize the contact. In addition, Lake water levels will be maintained low based on weather predictions to eliminate discharge. |
Violation |
B |
eSMR |
1116771 |
02/24/2023 |
CTOX |
Chronic Toxicity-Fathead Minnow-Survival Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
Toxicity evaluation will be carried out to investigate the substances promote chronic toxicity to above species and corrective measures will be taken to eliminate or minimize the contact. In addition, Lake water levels will be maintained low based on weather predictions to eliminate discharge. |
Violation |
B |
eSMR |
1116777 |
01/30/2023 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
Toxicity evaluation will be carried out to investigate the substances promote chronic toxicity to above species and corrective measures will be taken to eliminate or minimize the contact. In addition, Lake water levels will be maintained low based on weather predictions to eliminate discharge. |
Violation |
B |
eSMR |
1116778 |
01/30/2023 |
CTOX |
Chronic Toxicity-Fathead Minnow-Survival Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
Toxicity evaluation will be carried out to investigate the substances promote chronic toxicity to above species and corrective measures will be taken to eliminate or minimize the contact. In addition, Lake water levels will be maintained low based on weather predictions to eliminate discharge. |
Violation |
B |
eSMR |
1116776 |
01/16/2023 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
Toxicity evaluation will be carried out to investigate the substances promote chronic toxicity to above species and corrective measures will be taken to eliminate or minimize the contact. In addition, Lake water levels will be maintained low based on weather predictions to eliminate discharge. |
Violation |
B |
eSMR |
1116769 |
01/10/2023 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
Toxicity evaluation will be carried out to investigate the substances promote chronic toxicity to above species and corrective measures will be taken to eliminate or minimize the contact. In addition, Lake water levels will be maintained low based on weather predictions to eliminate discharge. |
Violation |
B |
eSMR |
1116767 |
01/10/2023 |
CTOX |
Chronic Toxicity-Fathead Minnow-Survival Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
Toxicity evaluation will be carried out to investigate the substances promote chronic toxicity to above species and corrective measures will be taken to eliminate or minimize the contact. In addition, Lake water levels will be maintained low based on weather predictions to eliminate discharge. |
Violation |
B |
eSMR |
1116772 |
01/04/2023 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
Toxicity evaluation will be carried out to investigate the substances promote chronic toxicity to above species and corrective measures will be taken to eliminate or minimize the contact. In addition, Lake water levels will be maintained low based on weather predictions to eliminate discharge. |
Violation |
B |
eSMR |
1116775 |
01/04/2023 |
CTOX |
Chronic Toxicity-Fathead Minnow-Survival Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
Toxicity evaluation will be carried out to investigate the substances promote chronic toxicity to above species and corrective measures will be taken to eliminate or minimize the contact. In addition, Lake water levels will be maintained low based on weather predictions to eliminate discharge. |
Violation |
B |
eSMR |
1115031 |
12/31/2022 |
Deficient Reporting |
List of priority pollutants are not all sampled for at a frequency of 2/year as stated in the permit under effluent monitoring requirements. |
|
Violation |
B |
eSMR |
1113341 |
12/28/2022 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Average (Mean) limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
The corrective measures for this violation will be reviewed under professionals advice. |
Violation |
B |
eSMR |
1113343 |
12/28/2022 |
CTOX |
Chronic Toxicity-Fathead Minnow-Survival Daily Average (Mean) limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
The corrective measures for this violation will be reviewed under professionals advice. |
Violation |
B |
eSMR |
1115032 |
12/12/2022 |
Deficient Reporting |
Flow not reported on 12/12/22 |
|
Violation |
B |
eSMR |
1113344 |
12/12/2022 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Average (Mean) limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
The corrective measures for this violation will be reviewed under professionals advice. |
Violation |
B |
eSMR |
1113342 |
12/12/2022 |
CTOX |
Chronic Toxicity-Fathead Minnow-Survival Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
The corrective measures for this violation will be reviewed under professionals advice. |
Violation |
B |
eSMR |
1104102 |
03/29/2022 |
CTOX |
Chronic Toxicity (Species 3) Daily Discharge limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
1. Lower the Lake water level based on weather predictions to minimize discharges.
2. Reduce coagulant and ozone dosage used for treatment.
|
Violation |
B |
eSMR |
1104104 |
03/29/2022 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Discharge limit is 0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
1. Lower the Lake water level based on weather predictions to minimize discharges.
2. Reduce coagulant and ozone dosage used for treatment.
|
Violation |
B |
eSMR |
1104103 |
03/29/2022 |
CTOX |
Chronic Toxicity-Fathead Minnow-Survival Daily Discharge limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
1. Lower the Lake water level based on weather predictions to minimize discharges.
2. Reduce coagulant and ozone dosage used for treatment. |
Violation |
B |
eSMR |
1096591 |
12/31/2021 |
Deficient Reporting |
Flow not reported on 10/5/2021,12/4/2021,12/24/2021 and 12/29/2021 |
|
Violation |
B |
eSMR |
1115030 |
12/31/2021 |
Deficient Reporting |
List of priority pollutants are not all sampled for at a frequency of 2/year as stated in the permit under effluent monitoring requirements. |
|
Violation |
B |
eSMR |
1115025 |
12/29/2021 |
CTOX |
Chronic Toxicity (Species 3) Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
1. Carry out resampling as per the permit requirement.
2. Minimize ozone dosage
|
Violation |
B |
eSMR |
1100587 |
12/29/2021 |
CTOX |
Chronic Toxicity Event Discharge limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
|
Violation |
B |
eSMR |
1100595 |
12/29/2021 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
1. Carry out resampling as per the permit requirement.
2. Minimize ozone dosage
|
Violation |
B |
eSMR |
1115024 |
12/29/2021 |
CTOX |
Chronic Toxicity-Fathead Minnow-Survival Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
1. Carry out resampling as per the permit requirement.
2. Minimize ozone dosage
|
Violation |
B |
eSMR |
1115022 |
12/24/2021 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
1. Carry out resampling as per the permit requirement.
2. Minimize ozone dosage
|
Violation |
B |
eSMR |
1100586 |
12/24/2021 |
CTOX |
Chronic Toxicity-Fathead Minnow-Survival Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
1. Carry out resampling as per the permit requirement.
2. Minimize ozone dosage
|
Violation |
B |
eSMR |
1115020 |
12/14/2021 |
CTOX |
Chronic Toxicity (Species 3) Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
|
Violation |
B |
eSMR |
1100590 |
12/14/2021 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
1. Carry out resampling as per the permit requirement.
2. Minimize ozone dosage
|
Violation |
B |
eSMR |
1115016 |
12/14/2021 |
CTOX |
Chronic Toxicity-Fathead Minnow-Survival Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
1. Carry out resampling as per the permit requirement.
2. Minimize ozone dosage
|
Violation |
B |
eSMR |
1117993 |
12/04/2021 |
OEV |
E.coli 6-Week Rolling Geometric Mean limit is 100.0 MPN/100 mL and reported value was 1600 MPN/100 mL at EFF-001. |
|
Violation |
B |
eSMR |
1117992 |
11/27/2021 |
OEV |
E.coli 6-Week Rolling Geometric Mean limit is 100.0 MPN/100 mL and reported value was 1600 MPN/100 mL at EFF-001. |
|
Violation |
B |
eSMR |
1117991 |
11/20/2021 |
OEV |
E.coli 6-Week Rolling Geometric Mean limit is 100.0 MPN/100 mL and reported value was 1600 MPN/100 mL at EFF-001. |
|
Violation |
B |
eSMR |
1117990 |
11/13/2021 |
OEV |
E.coli 6-Week Rolling Geometric Mean limit is 100.0 MPN/100 mL and reported value was 930 MPN/100 mL at EFF-001. |
|
Violation |
B |
eSMR |
1117989 |
11/06/2021 |
OEV |
E.coli 6-Week Rolling Geometric Mean limit is 100.0 MPN/100 mL and reported value was 930 MPN/100 mL at EFF-001. |
|
Violation |
B |
eSMR |
1100591 |
10/31/2021 |
OEV |
E.coli 10% for 30 days limit is 10.0 % and reported value was 100.0 % at EFF-001. |
|
Violation |
B |
eSMR |
1100598 |
10/30/2021 |
OEV |
E.coli 6-Week Rolling Geometric Mean limit is 100.0 MPN/100 mL and reported value was 930 MPN/100 mL at EFF-001. |
1. Carry out resampling as per the permit requirement.
2. Increase the lake freeboard allowing for a longer treatment detention time for the stormwater in the lake prior to discharge during rain events.
|
Violation |
B |
eSMR |
1100594 |
10/25/2021 |
CTOX |
Chronic Toxicity (Species 3) Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
1. Carry out resampling as per the permit requirement.
2. Minimize ozone dosage
|
Violation |
B |
eSMR |
1117988 |
10/23/2021 |
OEV |
E.coli 6-Week Rolling Geometric Mean limit is 100.0 MPN/100 mL and reported value was 540.0 MPN/100 mL at EFF-001. |
|
Violation |
B |
eSMR |
1117984 |
10/16/2021 |
OEV |
E.coli 6-Week Rolling Geometric Mean limit is 100.0 MPN/100 mL and reported value was 540.0 MPN/100 mL at EFF-001. |
|
Violation |
B |
eSMR |
1100588 |
10/09/2021 |
OEV |
E.coli 6-Week Rolling Geometric Mean limit is 100.0 MPN/100 mL and reported value was 540.0 MPN/100 mL at EFF-001. |
1. Carry out resampling as per the permit requirement.
2. Increase the lake freeboard allowing for a longer treatment detention time for the storm water in the lake prior to discharge during rain events.
|
Violation |
B |
eSMR |
1100593 |
10/05/2021 |
CTOX |
Chronic Toxicity (Species 3) Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
1. Carry out resampling as per the permit requirement.
2. Reduce the ozonating concentration
|
Violation |
B |
eSMR |
1096588 |
03/31/2021 |
LREP |
1Q21 report due 5/15/2021, submitted on 7/16/2021, 62 days late |
|
Violation |
B |
eSMR |
1096587 |
03/31/2021 |
OEV |
E.coli 10% for 30 days limit is 10 % and reported value was 50 % at EFF-001. |
follow-up with further sampling to lower the average |
Violation |
B |
eSMR |
1114971 |
03/10/2021 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
|
Violation |
B |
eSMR |
1092032 |
03/10/2021 |
CTOX |
Chronic Toxicity-Fathead Minnow-Survival Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. *** MMP Exempt Reason:CWC Section 13385(i)(D) |
We are currently investigating why we would have failed and possible how to limit any future discharges |
Violation |
B |
eSMR |
1114970 |
03/09/2021 |
CTOX |
Chronic Toxicity (Species 3) Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
|
Violation |
B |
eSMR |
1092034 |
03/09/2021 |
CTOX |
Chronic Toxicity-Fathead Minnow-Growth Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
We are looking at ways to limit or stop any future discharges as well as an investigation into the cause of any failures. |
Violation |
B |
eSMR |
1114965 |
03/09/2021 |
CTOX |
Chronic Toxicity-Fathead Minnow-Survival Daily Maximum limit is 0.0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1.0 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. |
|
Violation |
B |
eSMR |
1092033 |
03/06/2021 |
OEV |
E.coli 6-Week Rolling Geometric Mean limit is 100.0 MPN/100 mL and reported value was 1600.0 MPN/100 mL at EFF-001. |
follow-up with further sampling to lower the average |
Violation |
B |
eSMR |
1092031 |
01/29/2021 |
OEV |
Flow Daily Maximum limit is 3.3 MGD and reported value was 5.94 MGD at EFF-001. |
Monitor weather forecasts and if possible, lower the lake level prior to a large upcoming rain event. |
Violation |
B |
eSMR |
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
|