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. |
1122195 |
10/31/2023 |
Deficient Monitoring |
Did not think required to sample since not discharging to river |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1129965 |
06/30/2024 |
Order Conditions |
On 6/6/2024 - 6/28/2024 the NTU at FIL-001 exceeded 2.0 NTU as the daily average |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
N |
1127972 |
04/09/2024 |
CAT2 |
Copper, Total Recoverable Maximum Daily (MDEL) limit is 18.0 ug/L and reported value was 19.8 ug/L at EFF-001. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1124693 |
01/31/2024 |
Order Conditions |
Max NTU was 17.241 on 1/17/2027 and 13.277 on 1/20/2024 because after backwashes some dirty water may briefly leave filters when valves change back over |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1124694 |
01/31/2024 |
CAT2 |
Zinc, Total Monthly Average limit is 26 ug/L and reported value was 038.3 ug/L at EFF-001. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1126486 |
03/31/2024 |
Order Conditions |
On 3/1, 2, 6, and 8, the daily average FIL-001 NTU exceeded 2 NTU. This is due to filter backwash cycle ending and when Valves switch back to normal operation a small amount of high NTU leaves the filter. The more backwashes, the more this affects the daily average. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1127973 |
04/30/2024 |
Order Conditions |
On 4/10-18 the filters exceeded NTU daily average order conditions. The plant discharged effluent meeting the permit requirements during this time, including coliform testing. UV treatment was still able to adequately treat effluent. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1129078 |
05/31/2024 |
CAT2 |
Copper, Total Monthly Average limit is 10 ug/L and reported value was 16.3 ug/L at EFF-001. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1121424 |
09/30/2023 |
Deficient Monitoring |
Thought sampling was only required while discharging to river. Missed sampling total copper, DO, hardness, fecal coliform, pH, temp, turbidity, and zinc. Additionally, daily average and daily maximum turbidity was not submitted to determine compliance with section VI.C.4.a ) of the permit |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1126489 |
03/31/2024 |
CAT2 |
Zinc, Total Monthly Average limit is 26 ug/L and reported value was 58.9 ug/L at EFF-001. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1129080 |
05/01/2024 |
CAT2 |
Zinc, Total Daily Maximum limit is 46 ug/L and reported value was 61.7 ug/L at EFF-001. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1122503 |
10/31/2023 |
Order Conditions |
VI.C.4.a Filtration System operating Specifications exceeded for dates 10/4, 10/9, 10/8, 10/11, 10/12, and 10/23, with max filter NTU over 10 NTU for these days at monitoring location FIL-001. VI.C.4.b UV Disinfection System Operating Specifications for UV transmittance dropped to below 55 percent on 10/, 10/2, 10/3, and 10/4 at monitoring location UVS-001. |
Violation |
N |
Report |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1123163 |
11/30/2023 |
Order Conditions |
VI.C.4.a Filtration System Operating Specifications for turbidity exceeded during month. 2 NTU daily average exceeded 11/20, 11/21, 11/22, 11/23, 11/24, and 11/25. 10 NTU daily maximum exceeded 11/25 and 11/29. UV transmittance also below 55 percent, however chlorine is also used as disinfection in addition to UV, therefore, not necessarily a violation of Order Conditions for UV per VI.C.4.b |
Violation |
N |
Report |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1129079 |
05/31/2024 |
CAT2 |
Zinc, Total Monthly Average limit is 26 ug/L and reported value was 61.7 ug/L at EFF-001. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1125414 |
02/29/2024 |
CAT2 |
Zinc, Total Monthly Average limit is 26 ug/L and reported value was 41.5 ug/L at EFF-001. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1127971 |
04/30/2024 |
CAT2 |
Copper, Total Recoverable Monthly Average limit is 10.0 ug/L and reported value was 19.8 ug/L at EFF-001. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1129077 |
05/31/2024 |
Deficient Monitoring |
TTHM and Total N were not sampled |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1126487 |
03/06/2024 |
CAT2 |
Zinc, Total Daily Maximum limit is 46 ug/L and reported value was 58.9 ug/L at EFF-001. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1122944 |
11/21/2023 |
Deficient Monitoring |
Fecal coliform samples were collected and brought to Pace Analytical on 11/21/2023. On 12/5/2023 the lab informed us of an error on their part that invalidated the samples. We were unable to resample for November since it was now December. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1127975 |
04/09/2024 |
CAT2 |
Zinc, Total Recoverable Maximum Daily (MDEL) limit is 46.0 ug/L and reported value was 63.5 ug/L at EFF-001. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1124674 |
12/31/2023 |
Order Conditions |
VI.C.4.a Filtration System Operating Specifications for turbidity exceeded during month. 2 NTU daily average exceeded 12/7 - 12/29. 10 NTU daily maximum exceeded 1219, 12/21, 12/28, and 12/29. UV transmittance also below 55 percent on 12/7, 12/9, 12/11, 12/12, 12/14, 12/15, 12/17, 12/20-21, 1228, 12/29-12/31, however chlorine is also used as disinfection in addition to UV, therefore, not necessarily a violation of Order Conditions for UV per VI.C.4.b |
Violation |
N |
Report |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1125413 |
02/29/2024 |
Order Conditions |
The disk filter NTU daily average was above 2.0 on February 5, 9, 15-25, 28, and 29, because after backwashing a small amount of turbid water may briefly leave filters when valves change back over. The more backwashes, the higher the NTU average will become. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1126488 |
03/31/2024 |
Deficient Monitoring |
Forgot to sample hardness from RSW-001 |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1127974 |
04/30/2024 |
CAT2 |
Zinc, Total Recoverable Monthly Average limit is 26.0 ug/L and reported value was 63.5 ug/L at EFF-001. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1129076 |
05/31/2024 |
Order Conditions |
Filter NTU exceeded 2 NTU daily average on 5/11- 5/13. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1131405 |
07/01/2024 |
Order Conditions |
daily average filter NTU exceeded limit during the dates of7/10-7/24 |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
N |
1126485 |
03/31/2024 |
CAT2 |
Copper, Total Monthly Average limit is 10 ug/L and reported value was 16.8 ug/L at EFF-001. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
Y |
1131404 |
07/11/2024 |
Deficient Monitoring |
During the dates 7/11/2024 to 7/23/2024 the data collection program, Historian, did not collect data. Data includes influent flows, filter NTU, effluent pH, UVT, and UV dose. |
Violation |
N |
eSMR |
Mount Shasta WWTP |
448201 |
R5-2023-0016 |
N |
1131320 |
08/25/2024 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Debris-Rags,Other (specify below) caused 650 gallons of sewage to spill from Manhole at E Jessie St MH 654 to Street/Curb and Gutter (2 3),Unpaved Surface,Paved Surface,Drainage Conveyance System |
Violation |
None |
SSO |
Mt Shasta CS |
301324 |
2022-0103-DWQ |
N |
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