| Violation ID |
Occurred Date |
Violation Type |
(-) Violation Description |
Corrective Action |
Status |
Classification |
Source |
| 1135057 |
09/04/2024 |
DMON |
NPDES Permit R5-2021-0003, Section VII.B.1, Table E-9, the quarterly chloride (mg/L) grab samples for receiving water monitoring wells MW-3, MW-4, MW-5, MW-9W, MW-11, and MW-AW were not collected for analysis. |
The staff is initiating more rigorous checks and balances, including a comprehensive sampling bottle check list and detailed quarterly checklist to ensure this oversight will be prevented in the future. |
Violation |
B |
eSMR |
| 1128086 |
04/30/2024 |
CAT1 |
Ammonia, Total (as N) Monthly Average (Mean) limit is 2.5 mg/L and reported value was 2.6 mg/L at EFF-001. |
It was found that the addition of glycerin was the problem. The tank had a build up of a chemical that inhibited the nitrification process thus allowing ammonia to pass through untreated. We have since cleaned the tank and implemented quarterly cleaning of both glycerin tanks. We also reseeded the south plant from the north plant to allow the biology to recover more quickly. As of 4/20/2024, the ammonia discharge from south aeration basins was less than 0.2 mg/L |
Violation |
B |
eSMR |
| 1128085 |
04/16/2024 |
CAT1 |
Ammonia, Total (as N) Weekly Average limit is 4.2 mg/L and reported value was 5.5 mg/L at EFF-001. |
It was found that the addition of glycerin was the problem. The tank had a build up of a chemical that inhibited the nitrification process thus allowing ammonia to pass through untreated. We have since cleaned the tank and implemented quarterly cleaning of both glycerin tanks. We also reseeded the south plant from the north plant to allow the biology to recover more quickly. As of 4/20/2024, the ammonia discharge from south aeration basins was less than 0.2 mg/L |
Violation |
B |
eSMR |
| 1126506 |
03/28/2024 |
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 46 MPN/100 mL at EFF-001. |
We had the manufacture Xylem out for service and the channel was inspected and no issues were found. We will be reaching out to them again for them to come onsite for another inspection. |
Violation |
B |
eSMR |
| 1126507 |
03/23/2024 |
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 70 MPN/100 mL at EFF-001. |
After investigating the only explanation that we can find it had been raining and potentially could have washed the some bacteria into the channel either from the overhead crane or the UV deck. Verified with the laboratory that the samples were collected correctly and over the past year the operations group has increased cleaning in frequency and with the addition of pressure washing. Unfortunately this did not prevent this exceedance from occurring. |
Violation |
B |
eSMR |
| 1126505 |
03/03/2024 |
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 170 MPN/100 mL at EFF-001. |
The possible factor that we found that could have contributed to the exceedance is that it was raining at the time of the sampling. The rain could have possibly washed contamination from birds contributing to the results. |
Violation |
B |
eSMR |
| 1126508 |
03/01/2024 |
OEV |
Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 540 MPN/100 mL at EFF-001. |
The possible factor that we found that could have contributed to the exceedance is that it was raining at the time of the sampling. The rain could have possibly washed contamination from birds contributing to the results. |
Violation |
B |
eSMR |
| 1123335 |
12/15/2023 |
DMON |
The turbidimeter was halted on December 14th at 0750 hours on and it was discovered and sampling was resumed on December 15th at 1519 hours. Halting the turbidimeter is part of the sampling process. The turbidimeter is halted to prevent a spike in turbidity during the process of flushing the sample line prior to a sampling even so that a representative sample can be taken. |
It was accidentally left halted until it was discovered the next day. Although this accident occurred we can show compliance by providing all of the filter turbidity data if requested. We are looking into creating an alarm within our SCADA to prevent this oversight from happening again. We are also creating an SOP for sampling and all of the Operation Staff will be attending a training. Please let me know how you would like us to proceed. |
Violation |
U |
eSMR |
| 1123334 |
12/14/2023 |
DMON |
The turbidimeter was halted on December 14th at 0750 hours on and it was discovered and sampling was resumed on December 15th at 1519 hours. Halting the turbidimeter is part of the sampling process. The turbidimeter is halted to prevent a spike in turbidity during the process of flushing the sample line prior to a sampling even so that a representative sample can be taken |
It was accidentally left halted until it was discovered the next day. Although this accident occurred we can show compliance by providing all of the filter turbidity data if requested. We are looking into creating an alarm within our SCADA to prevent this oversight from happening again. We are also creating an SOP for sampling and all of the Operation Staff will be attending a training. Please let me know how you would like us to proceed. |
Violation |
U |
eSMR |
| 1122932 |
11/29/2023 |
OEV |
Temperature Difference Between Sample and Upstream Daily Average (Mean) limit is 20.0 Degrees F and reported value was 21.0 Degrees F at EFF-001. |
According to NPDES permit order R5-2021-003 section IV.A.1.e EFF-001 discharge shall not exceed the natural receiving water temperature by more than 20 F. This exceedance will be addressed in the November eSMR |
Violation |
B |
eSMR |
| 1122207 |
10/24/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 9.4 SU at PND-001. |
The cause of the exceedance is believed to be caused by algae. The pond is in good health as demonstrated by high concentrations of dissolved oxygen. As requested we will be emptying the pond as soon as irrigation allows. |
Violation |
B |
eSMR |
| 1122206 |
10/17/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 9.2 SU at PND-001. |
The cause of the exceedance is believed to be caused by algae. The pond is in good health as demonstrated by high concentrations of dissolved oxygen. As requested we will be emptying the pond as soon as irrigation allows. |
Violation |
B |
eSMR |
| 1122205 |
10/10/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 9.9 SU at PND-001. |
The cause of the exceedance is believed to be caused by algae. The pond is in good health as demonstrated by high concentrations of dissolved oxygen. As requested we will be emptying the pond as soon as irrigation allows. |
Violation |
B |
eSMR |
| 1122204 |
10/03/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 9.8 SU at PND-001. |
The cause of the exceedance is believed to be caused by algae. The pond is in good health as demonstrated by high concentrations of dissolved oxygen. As requested we will be emptying the pond as soon as irrigation allows. |
Violation |
B |
eSMR |
| 1121397 |
09/26/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 9.9 SU at PND-001. |
The cause of the exceedance is believed to be caused by algae. The pond is in good health as demonstrated by high concentrations of dissolved oxygen. As requested we will be emptying the pond as soon as irrigation allows. |
Violation |
B |
eSMR |
| 1121396 |
09/19/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 10.2 SU at PND-001. |
The cause of the exceedance is believed to be caused by algae. The pond is in good health as demonstrated by high concentrations of dissolved oxygen. As requested we will be emptying the pond as soon as irrigation allows. |
Violation |
B |
eSMR |
| 1121395 |
09/05/2023 |
Order Conditions |
pH Single Sample Maximum limit is 9.0 SU and reported value was 10.1 SU at PND-001. |
The cause of the exceedance is believed to be caused by algae. The pond is in good health as demonstrated by high concentrations of dissolved oxygen. As requested we will be emptying the pond as soon as irrigation allows. |
Violation |
B |
eSMR |
| 1116989 |
04/28/2023 |
OEV |
Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 920 MPN/100 mL at EFF-001. |
After investigating the only explanation that we can find it was windy and the farmer was working the AG fields next to the UV structure. Over the past year the operations supervisor has increased cleaning in frequency and with the addition of pressure washing. Unfortunately this did not prevent this exceedance from occurring. |
Violation |
U |
eSMR |
| 1116988 |
04/14/2023 |
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. |
Section IV.A.1.iii with two coliform results within thirty days greater than 23mpn/100ml, addressed in coverletter |
Violation |
U |
eSMR |
| 1113890 |
01/31/2023 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 2.5 mg/L and reported value was 3.7 mg/L at EFF-001. |
The exceedance was caused by cold weather, and increased wastewater flow due to rain events. The increase in cold water decreased the plants detention time and temperature which resulted in decreased capacity to fully nitrify ammonia. Prior to the storms we adjusted/optimized plant process to treat to the fullest extent possible |
Violation |
B |
eSMR |
| 1113889 |
01/31/2023 |
CAT1 |
Ammonia, Total (as N) Monthly Average limit is 200 lb/day and reported value was 281.1 lb/day at EFF-001. |
The exceedance was caused by cold weather, and increased wastewater flow due to rain events. The increase in cold water decreased the plants detention time and temperature which resulted in decreased capacity to fully nitrify ammonia. Prior to the storms we adjusted/optimized plant process to treat to the fullest extent possible |
Violation |
B |
eSMR |
| 1111471 |
11/16/2022 |
OEV |
Temperature Difference Between Sample and Upstream Daily Average (Mean) limit is 20 Degrees F and reported value was 21 Degrees F at EFF-001. |
According to NPDES permit order R5-2021-003 section IV.A.1.e EFF-001 discharge shall not exceed the natural receiving water temperature by more than 20 F. This exceedance will be addressed in the November eSMR |
Violation |
B |
eSMR |
| 1111472 |
11/02/2022 |
OEV |
Temperature Difference Between Sample and Upstream Daily Average (Mean) limit is 20 Degrees F and reported value was 21 Degrees F at EFF-001. |
According to NPDES permit order R5-2021-003 section IV.A.1.e EFF-001 discharge shall not exceed the natural receiving water temperature by more than 20 F. This exceedance will be addressed in the November eSMR |
Violation |
B |
eSMR |
| 1106652 |
06/16/2022 |
OEV |
Total Coliform Daily Maximum limit is 240.0 MPN/100 mL and reported value was 350.0 MPN/100 mL at EFF-001. |
The cause of the exceedance has not been determined at this time. We have investigated Turbidity, Dose, Transmittance and all are within normal ranges. We are currently inspecting the Tertiary filters for a tear. |
Violation |
B |
eSMR |
| 1086799 |
01/26/2021 |
OEV |
Temperature Daily Average (Mean) limit is 20 Degrees F and reported value was 21 Degrees F at EFF-001. |
The river monitoring was performed on a day where freezing temperatures occurred. WQCF is circulating tertiary filter effluent through unused floc tanks to chill the effluent prior to discharge but the extreme low temperatures on 1/26/21 exceeded our ability to sufficiently cool the effluent prior to discharge |
Violation |
B |
eSMR |
| 1092818 |
12/02/2020 |
OEV |
Temperature Daily Average (Mean) limit is 20 Degrees F and reported value was 21 Degrees F at EFF-001. |
|
Violation |
B |
Report |
| 1084107 |
11/08/2020 |
Order Conditions |
On November 8, 2020 the REC-001 total coliform was 46 MPN/100ml which was the second total coliform within 30 days to exceed 23 MPN/100ml as required in IV.C.4.i.ii. The first total coliform over 23 MPN/100ml was on October 20, 2020 which was 33 MPN/100ml. |
As a corrective action UV bulbs and the UV channel was cleaned and one whole bank of UV bulbs were replaced. |
Violation |
U |
eSMR |
| 1083256 |
11/08/2020 |
OEV |
Total Coliform Not to exceed a specific limit more than once within any 30-day period. limit is 23.0 MPN/100 mL and reported value was 46.0 MPN/100 mL at EFF-001. |
The first exceedence was caused by a tear in the tertiary filter media and was repaired. The cause of the second Total Coliform exceedence has yet to be determined. As a preventative measure the remaining 2 banks of UV bulbs are on schedule for bulb cleaning. |
Violation |
B |
eSMR |
| 1080874 |
09/03/2020 |
DMON |
Lnd-001 sample collected on 9-3-2020 @ 9:28am was not preserved and stored in the lab for total kjeldahl nitrogen. Due to this missed sample preservation and storage, total nitrogen cannot be calculated and report for Lnd-001 on 9-3-2020 |
The use of the sample checklist for sample collection and analysis has been re-emphasized in the laboratory so that future sample collection and analysis will not be missed |
Violation |
U |
eSMR |
|
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
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