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. |
1096617 |
08/02/2021 |
Late Report |
Monthly SMR ( MONNPDES ) report for June 2021 (2537807) was due on 01-AUG-21 |
Violation |
None |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1105138 |
03/01/2022 |
Deficient Monitoring |
Total Zinc not sampled |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1064564 |
05/31/2019 |
Deficient Monitoring |
Freeboard was not recorded for LND-010. Permit requires freeboard to be measured 1/month. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1078534 |
06/30/2020 |
Deficient Monitoring |
Arsenic, copper, lead, and nickel were not sampled. The permit requires these parameters to be sampled at RGW-003 quarterly. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1108795 |
08/01/2022 |
Deficient Monitoring |
Hardness, copper, zinc and DOC were not analyzed at LND-007 |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1125558 |
05/31/2023 |
OEV |
Total Coliform Not to exceed a specific limit more than once within any 30-day period. limit is 240 MPN/100 mL and reported value was 1600.0 MPN/100 mL at EFF-001. |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1062975 |
06/30/2019 |
Deficient Monitoring |
Freeboard was not recorded for LND-008. Permit requires freeboard to be measured 1/month. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1062976 |
06/30/2019 |
Deficient Monitoring |
Freeboard was not recorded for LND-009. Permit requires freeboard to be measured 1/month. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1064557 |
05/31/2019 |
CAT1 |
BOD5 @ 20 Deg. C, Percent Removal Monthly Average limit is 85 % and reported value was 71 % at EFF-001. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1064560 |
05/31/2019 |
CAT1 |
Total Suspended Solids (TSS), Percent Removal Monthly Average limit is 85 % and reported value was 49 % at EFF-001. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1064562 |
05/31/2019 |
Deficient Monitoring |
Freeboard was not recorded for LND-008. Permit requires freeboard to be measured 1/month. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1078532 |
06/30/2020 |
Deficient Monitoring |
Arsenic, copper, lead, and nickel were not sampled. The permit requires these parameters to be sampled at RGW-001 quarterly. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1078536 |
06/30/2020 |
Deficient Monitoring |
Dissolved oxygen was not sampled at RSW-001. The permit requires that dissolved oxygen is sampled at least twice in any given year during the allowable period of discharge. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1084504 |
08/05/2020 |
Deficient Monitoring |
Total Coliform was only sampled once during the month of August, Per the permit, it should be sampled for once a week at location LND-007. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1096622 |
11/02/2021 |
Late Report |
Monthly SMR ( MONNPDES ) report for September 2021 (2537810) was due on 01-NOV-21 |
Violation |
None |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1107239 |
06/01/2022 |
Deficient Monitoring |
Hardness, Dissolved organic carbon, Copper, Zinc, chlorine were not analyzed at LND-007 |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1125561 |
05/17/2023 |
OEV |
Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 160 MPN/100 mL at EFF-001. |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1125563 |
05/30/2023 |
OEV |
Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 1600 MPN/100 mL at EFF-001. |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1105136 |
03/01/2022 |
Deficient Monitoring |
Hardness, total not sampled |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1105139 |
02/02/2022 |
Deficient Monitoring |
Total copper not sampled |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1105141 |
02/01/2022 |
Deficient Monitoring |
Total Zinc not sampled |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1108810 |
07/01/2022 |
Deficient Monitoring |
TSS, DOC, total coliform and Chlorine were not sampled for at LND-007 |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1120496 |
08/31/2023 |
Deficient Monitoring |
Failure to report Nitrate and Nitrite for LND-007 |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1062974 |
06/30/2019 |
Deficient Monitoring |
Freeboard was not recorded for LND-007. Permit requires freeboard to be measured 1/month. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1062977 |
06/30/2019 |
Deficient Monitoring |
Freeboard was not recorded for LND-010. Permit requires freeboard to be measured 1/month. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1064561 |
05/31/2019 |
Deficient Monitoring |
Freeboard was not recorded for LND-007. Permit requires freeboard to be measured 1/month. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1067194 |
06/30/2019 |
Deficient Monitoring |
Acute toxicity monitoring is required 1/quarter when discharge to Lake Almanor has occurred. Acute toxicity was not sampled for Q2 2019. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1119127 |
05/31/2023 |
Deficient Monitoring |
Copper, and zinc were not sampled during discharge. |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1105137 |
03/01/2022 |
Deficient Monitoring |
Total Copper not sampled |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1064563 |
05/31/2019 |
Deficient Monitoring |
Freeboard was not recorded for LND-009. Permit requires freeboard to be measured 1/month. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1078533 |
06/30/2020 |
Deficient Monitoring |
Arsenic, copper, lead, and nickel were not sampled. The permit requires these parameters to be sampled at RGW-002 quarterly. |
Violation |
N |
Report |
Chester STP |
392735 |
R5-2016-0004 |
Y |
1105143 |
02/01/2022 |
Deficient Monitoring |
Total Recoverable and Dissolved carbon not sampled |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1110047 |
11/02/2022 |
Late Report |
Quarterly SMR ( MONNPDES ) report for Q3 2022 (2537834) was due on 01-NOV-22 |
Violation |
None |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1125560 |
05/10/2023 |
OEV |
Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 350 MPN/100 mL at EFF-001. |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1125562 |
05/24/2023 |
OEV |
Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 920 MPN/100 mL at EFF-001. |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1126978 |
05/17/2023 |
OEV |
Total Coliform Not to exceed a specific limit more than once within any 30-day period. limit is 240 MPN/100 mL and reported value was 1600 MPN/100 mL at EFF-001. |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1126979 |
05/24/2023 |
OEV |
Total Coliform Not to exceed a specific limit more than once within any 30-day period. limit is 240 MPN/100 mL and reported value was 920 MPN/100 mL at EFF-001. |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1096620 |
10/02/2021 |
Late Report |
Monthly SMR ( MONNPDES ) report for August 2021 (2537809) was due on 01-OCT-21 |
Violation |
None |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1105140 |
02/01/2022 |
Deficient Monitoring |
Total Hardness not sampled |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
1125559 |
05/03/2023 |
OEV |
Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 140 MPN/100 mL at EFF-001. |
Violation |
N |
Report |
Chester STP |
442945 |
R5-2021-0022 |
N |
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
|