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California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
564915 Marisol Gonzalez 364 Knollcrest Drive Redding, CA 96002 530-224-4204 Marisol.Gonzalez@Waterboards.ca.gov
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
Total Related Places: 0
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
229003 Central Valley Regional Water Quality Control Board, Redding Office Organization Employee 06/28/2017 None Waterboard
Total Related Parties: 1
  
  
  
  
Expand/Contract Regulatory Measures
Regulatory Measures (non-enforcement)
Reg. Measure ID Regulatory Measure Type Region WDID Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Amended?
Total Regulatory Measures: 0
  
  
  
  
Expand/Contract Violations
Violations within the past five years
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.
1144044 05/01/2025 Order Conditions plant had three days of turbidity in excess of 2. 5/1, 5/29 and 5/30 Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 N
1143308 05/01/2025 Late Report Annual SMR ( MONNPDES ) (Recycled Water Policy Annual Report) report for 2024 ( Violation None Report Cottonwood WWTP 445663 R5-2024-0026 N
1143235 03/11/2025 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 26 MPN Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1143130 04/01/2025 Order Conditions 17 days of NTU < than 2 NTU. likely caused by seasonal change and A.C.I.D. cana Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 N
1143129 04/03/2025 CAT2 Zinc, Total Recoverable Monthly Maximum limit is 37 ug/L and reported value was Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 N
1143128 04/03/2025 CAT2 Copper, Total Recoverable Monthly Maximum limit is 14 ug/L and reported value wa Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 N
1142091 02/04/2025 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 920 MP Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1142088 01/06/2025 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 178.9 Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1142087 01/09/2025 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 10.04 SU at EFF- Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1142020 12/31/2024 Deficient Monitoring Report did not include groundwater gradient or gradient direction Violation N Report Chester STP 442945 R5-2021-0022 N
1141921 04/03/2025 Order Conditions Due to seasonal change and other factors the CWWTP suffered with turbidity for m Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 N
1141283 02/13/2025 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 46 MPN Violation N eSMR Anderson WPCP 429568 R5-2019-0068 N
1141282 02/06/2025 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 41 MPN Violation N eSMR Anderson WPCP 429568 R5-2019-0068 N
1141280 02/10/2025 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 56 MPN Violation N eSMR Anderson WPCP 429568 R5-2019-0068 N
1140127 12/31/2024 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day p Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1140126 12/31/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 350 MP Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1140125 12/23/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 540 MP Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1140124 12/16/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 30 MPN Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1140123 12/10/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 33 MPN Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1139914 01/31/2025 Order Conditions The Cottonwood treatment plant had 6 exceedances for turbidity on the following Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 Y
1139251 12/31/2024 Deficient Reporting BOD AWEL not reported, TSS AWEL not reported Violation N Report Cottonwood WWTP 445663 R5-2024-0026 Y
1139250 11/30/2024 Deficient Reporting BOD AWEL not reported, TSS AWEL not reported Violation N Report Cottonwood WWTP 445663 R5-2024-0026 Y
1138753 12/31/2024 Order Conditions Turbidity exceeded 2 NTU as a daily average on 12/1 through 12/20 with a 2.9, 3. Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 Y
1138657 09/16/2024 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 178 Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1138655 07/22/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 170 MP Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1138654 07/15/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 33 MPN Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1138653 07/01/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 28 MPN Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 N
1137684 12/02/2024 Late Report Once Only OneTime ( TECHRPT ) (Method of Compliance Work Plan) report for 2024/0 Violation None Report Cottonwood WWTP 445663 R5-2024-0026 Y
1137106 11/21/2024 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6 SU at EFF-001. Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 Y
1137105 11/30/2024 Order Conditions Due to heavy rain, high flows, the facility had exceedances in turbidity on 11/8 Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 Y
1136406 09/20/2024 CAT2 Chlorine, Total Residual 1-Hour Average (Mean) limit is 0.019 mg/L and reported Violation N Report Cottonwood WWTP 445663 R5-2024-0026 Y
1136012 11/02/2024 Late Report Monthly SMR ( MONNPDES ) report for September 2024 (2537863) was due on 01-NOV-2 Violation None Report Chester STP 442945 R5-2021-0022 Y
1136011 11/02/2024 Late Report Quarterly SMR ( MONNPDES ) report for Q3 2024 (2537870) was due on 01-NOV-24 Violation None Report Chester STP 442945 R5-2021-0022 Y
1134559 10/02/2024 Late Report Monthly SMR ( MONNPDES ) report for August 2024 (2537862) was due on 01-OCT-24 Violation None Report Chester STP 442945 R5-2021-0022 Y
1134452 07/08/2024 CAT2 Chlorine, Total Residual 4-Day Average (Mean) limit is 0.011 mg/L and reported v Violation N Report Cottonwood WWTP 445663 R5-2024-0026 Y
1134441 09/20/2024 CAT2 Chlorine, Total Residual 4-Day Average (Mean) limit is 0.011 mg/L and reported v Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 Y
1131970 09/02/2024 Late Report Monthly SMR ( MONNPDES ) report for July 2024 (2537861) was due on 01-SEP-24 Violation None Report Chester STP 442945 R5-2021-0022 Y
1131960 08/31/2024 Late Report Once Only OneTime ( TECHRPT ) (Initial TRE WorkPlan) report for 2024/05/06 (2869 Violation None Report Cottonwood WWTP 445663 R5-2024-0026 Y
1130909 07/08/2024 CAT2 Chlorine, Total Residual 1-Hour Average (Mean) limit is .019 mg/L and reported v Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 Y
1130908 07/31/2024 Order Conditions Turbidity hit of a 2.2 NTU on 7/16/2024 Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 Y
1130864 08/02/2024 Late Report Semi-Annual SMR ( MONNPDES ) report for H1 2024 (2869568) was due on 01-AUG-24 Violation None Report Cottonwood WWTP 445663 R5-2024-0026 Y
1130863 08/02/2024 Late Report Semi-Annual SMR ( MONNPDES ) (Progress Reports) report for H1 2024 (2869587) was Violation None Report Cottonwood WWTP 445663 R5-2024-0026 N
1130249 06/30/2024 Order Conditions Turbidity violation on 6/11, 6/12, 6/16, 6/17, and 6/19 with a 3.6, 2.2, 2.1, 2. Violation N eSMR Cottonwood WWTP 445663 R5-2024-0026 Y
1130215 05/31/2023 OEV Total Coliform Daily Maximum limit is 500 MPN/100 mL and reported value was 1600 Violation N Report Chester STP 444963 R5-2021-0038 Y
1130214 05/24/2023 OEV Total Coliform Daily Maximum limit is 500 MPN/100 mL and reported value was 920 Violation N Report Chester STP 444963 R5-2021-0038 Y
1130203 05/17/2023 OEV Total Coliform Daily Maximum limit is 500.0 MPN/100 mL and reported value was 16 Violation N Report Chester STP 444963 R5-2021-0038 Y
1129951 05/20/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 176 MP Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 Y
1129950 04/23/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 33 MPN Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 Y
1129948 04/08/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 272 MP Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 Y
1129944 01/30/2024 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day p Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 Y
1129943 01/30/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 540 MP Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 Y
1129942 01/22/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 540 MP Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 Y
1129892 11/06/2023 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 33 MPN Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 Y
1129112 11/27/2021 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 111 MP Violation N Report Anderson WPCP 429568 R5-2019-0068 Y
1127199 04/30/2024 Order Conditions 2.1 NTU on 4/21/20024. Limit is 2. Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1127122 04/01/2024 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 28 M Violation N eSMR Anderson WPCP 429568 R5-2019-0068 Y
1126979 05/24/2023 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day p Violation N Report Chester STP 442945 R5-2021-0022 Y
1126978 05/17/2023 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day p Violation N Report Chester STP 442945 R5-2021-0022 Y
1125827 03/21/2024 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.2 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1125826 03/31/2024 Order Conditions turbidity is over 2 NTU on 3/1, 3/2, 3/28, 3/29, and 3/30 , resulting in a 2.2, Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1125563 05/30/2023 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 1600 M Violation N Report Chester STP 442945 R5-2021-0022 Y
1125562 05/24/2023 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 920 MP Violation N Report Chester STP 442945 R5-2021-0022 Y
1125561 05/17/2023 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 1600 Violation N Report Chester STP 442945 R5-2021-0022 Y
1125560 05/10/2023 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 350 MP Violation N Report Chester STP 442945 R5-2021-0022 Y
1125559 05/03/2023 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 140 MP Violation N Report Chester STP 442945 R5-2021-0022 Y
1125558 05/31/2023 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day p Violation N Report Chester STP 442945 R5-2021-0022 Y
1125520 03/14/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 33 MPN Violation N eSMR Anderson WPCP 429568 R5-2019-0068 Y
1125519 03/11/2024 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 28.0 Violation N eSMR Anderson WPCP 429568 R5-2019-0068 Y
1125062 02/29/2024 Order Conditions turbidity violations on Feb 19, 20, 22, 26, 27, and 28, with a 3.2, 2.7, 2.4, 2 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1125061 02/04/2024 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.3 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1125028 11/14/2023 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 130 MP Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 Y
1124135 01/15/2024 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.4 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1123245 12/20/2023 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 49 M Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1123244 12/31/2023 Order Conditions The site had four turbidity violations during the month of December, 2023. Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1123030 10/31/2023 Order Conditions During the month of October, the facility experienced a total of four violations Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1123029 11/30/2023 Order Conditions During the month of November, the facility experienced a total of seven violatio Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1121863 10/27/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 5.7 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1121858 10/01/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.2 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1121762 09/30/2023 Deficient Monitoring The Chico Lab failed to perform NO2 and NO3 for the month of September. Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 Y
1121637 10/23/2023 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 25 M Violation N eSMR Anderson WPCP 429568 R5-2019-0068 Y
1121039 09/18/2023 Order Conditions Turbidity Violation. Reported turbidity value was 2.3 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1121038 09/18/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.1 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1121037 09/17/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.3 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1121036 09/12/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6 SU at EFF-001. Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1120496 08/31/2023 Deficient Monitoring Failure to report Nitrate and Nitrite for LND-007 Violation N Report Chester STP 442945 R5-2021-0022 Y
1120162 08/29/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.3 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1119127 05/31/2023 Deficient Monitoring Copper, and zinc were not sampled during discharge. Violation N Report Chester STP 442945 R5-2021-0022 Y
1119102 07/31/2023 Order Conditions Filter not operating properly. Turbidity violations. 2.7 (7/1/2023), 2.3 (7/2/20 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1119098 07/20/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 3.9 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1119097 07/20/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.1 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1118579 06/22/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.1 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1117850 05/31/2023 Order Conditions During the month of May, there was 23 turbidity violations. 2.8 (5/1/2023), 3.3 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1117846 05/31/2023 OEV Total Coliform 7-Day Median limit is 23.0 mg/L and reported value was 34 mg/L at Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1117843 05/03/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.3 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1117842 05/27/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1117841 05/16/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.1 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1117840 05/04/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.2 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1117820 05/10/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.3 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1116579 04/30/2023 Order Conditions filter issues. Discharger had a turbidity violation reported every day of the mo Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1116561 04/11/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.2 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1116560 04/08/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.3 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1116557 04/26/2023 OEV Total Coliform 7-Day Median limit is 23.0 mg/L and reported value was 79.0 mg/L Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1116451 04/17/2023 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 27 MPN Violation N eSMR Anderson WPCP 429568 R5-2019-0068 Y
1116450 04/20/2023 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 36 MPN Violation N eSMR Anderson WPCP 429568 R5-2019-0068 Y
1116442 03/31/2023 Order Conditions filter issues Violation None eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1116441 02/28/2023 Order Conditions filter not performing well Violation None eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1116440 01/31/2023 Order Conditions Heavy I&I during storms in January Violation None eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1116439 12/31/2022 Order Conditions colder temps, heavy rain, I&I issues Violation None eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1116438 11/30/2022 Order Conditions turbidity high due to seasonal change Violation None eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1116437 10/31/2022 Order Conditions Filtration system still not operating. Violation None eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1115453 03/09/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 5.5 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1114672 02/06/2023 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 25 MPN Violation N eSMR Anderson WPCP 429568 R5-2019-0068 Y
1114647 02/28/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 5.6 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1113320 01/05/2023 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 130 MP Violation N eSMR Anderson WPCP 429568 R5-2019-0068 Y
1113319 01/03/2023 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 130 MP Violation N eSMR Anderson WPCP 429568 R5-2019-0068 Y
1112932 12/27/2022 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 27 MPN Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 Y
1112931 12/12/2022 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 33 MPN Violation N Report Chico Water Pollution Control Plant 438991 R5-2022-0033 Y
1112379 12/28/2022 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 1600 M Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1112339 12/22/2022 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 25 M Violation N eSMR Anderson WPCP 429568 R5-2019-0068 Y
1111278 11/30/2022 CAT2 Zinc, Total Recoverable Monthly Average limit is 77.6 ug/L and reported value wa Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1110026 10/30/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.6 SU at EFF-00 Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1110025 10/25/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.7 SU at EFF-00 Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1110023 10/23/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.8 SU at EFF-00 Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1109921 10/31/2022 CAT2 Zinc, Total Recoverable Monthly Average limit is 77.6 ug/L and reported value wa Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1109198 09/16/2022 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.41 SU at EFF-0 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1109197 09/19/2022 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.27 SU at EFF-0 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1109196 09/18/2022 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.42 SU at EFF-0 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1109194 09/05/2022 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.22 SU at EFF-0 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1109193 09/30/2022 CAT2 Zinc, Total Recoverable Monthly Average (Mean) limit is 77.6 ug/L and reported v Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1109192 09/15/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.68 SU at EFF-0 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1109191 09/24/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.85 SU at EFF-0 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1109190 09/21/2022 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.42 SU at EFF-0 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1109189 09/10/2022 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.43 SU at EFF-0 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1108810 07/31/2022 Deficient Monitoring TSS, DOC, total coliform and Chlorine were not sampled for at LND-007 Violation N Report Chester STP 442945 R5-2021-0022 Y
1108795 08/31/2022 Deficient Monitoring Hardness, copper, zinc and DOC were not analyzed at LND-007 Violation N Report Chester STP 442945 R5-2021-0022 Y
1108366 08/27/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 m Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1108364 08/31/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10. Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1108363 08/10/2022 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 111 MP Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1108362 08/03/2022 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 230 MP Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1108340 08/15/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.6 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1108338 08/13/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.7 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1108236 08/31/2022 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108235 07/31/2022 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108234 06/30/2022 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108233 05/31/2022 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108232 04/30/2022 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108231 03/31/2022 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108229 02/28/2022 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108228 01/31/2022 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108226 12/31/2021 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108224 11/30/2021 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108223 10/31/2021 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108220 08/31/2021 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108219 12/31/2020 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108218 11/30/2020 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108217 09/30/2020 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108216 08/31/2020 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1108215 07/31/2020 Order Conditions Filtration System Operating Specifications for Turbidity (WDR Section VI.C.4.a.) Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1107984 07/31/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1107983 07/16/2022 CAT1 Ammonia, Total (as N) Weekly Average (Mean) limit is 11.9 mg/L and reported valu Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1107982 04/09/2022 CAT1 Ammonia, Total (as N) Weekly Average (Mean) limit is 11.9 mg/L and reported valu Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1107981 03/19/2022 CAT1 Ammonia, Total (as N) Weekly Average (Mean) limit is 11.9 mg/L and reported valu Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1107980 02/19/2022 CAT1 Ammonia, Total (as N) Weekly Average (Mean) limit is 11.9 mg/L and reported valu Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1107979 06/05/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1107978 04/30/2021 CAT2 Chlorine, Total Residual 1-Hour Average (Mean) limit is 0.019 mg/L and reported Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1107977 04/17/2021 CAT1 Ammonia, Total (as N) Weekly Average (Mean) limit is 11.9 mg/L and reported valu Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1107976 09/30/2020 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day p Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1107975 09/23/2020 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day p Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1107239 06/30/2022 Deficient Monitoring Hardness, Dissolved organic carbon, Copper, Zinc, chlorine were not analyzed at Violation N Report Chester STP 442945 R5-2021-0022 Y
1107207 07/31/2022 CAT1 Ammonia, Total (as N) Monthly Average limit is 7.34 mg/L and reported value was Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1107200 07/27/2022 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 240 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1107199 07/20/2022 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 49 M Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1107194 07/16/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1105140 12/31/2021 Deficient Monitoring Total Hardness, total zinc, total recoverable and dissolved carbon, and total co Violation N Report Chester STP 442945 R5-2021-0022 Y
1105136 03/31/2022 Deficient Monitoring Hardness, total copper, and total zinc total not sampled Violation N Report Chester STP 442945 R5-2021-0022 Y
1104625 02/07/2022 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 27 MPN Violation N Report Chico Water Pollution Control Plant 397469 R5-2016-0023 Y
1104228 04/30/2022 CAT1 Ammonia, Total (as N) Monthly Average limit is 7.34 mg/L and reported value was Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1103165 03/31/2022 CAT1 Ammonia, Total (as N) Monthly Average (Mean) limit is 7.34 mg/L and reported val Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1103099 01/05/2022 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 30 MPN Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1102208 02/28/2022 CAT1 Ammonia, Total (as N) Monthly Average limit is 7.34 mg/L and reported value was Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1100641 02/02/2022 Late Report Annual SMR ( MONNPDES ) report for 2021 (2164389) was due on 01-FEB-22 Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1100640 02/02/2022 Late Report Annual SMR ( OPCERT ) (Annual Operations Report) report for 2021 (2164392) was Violation None Report Cottonwood WWTP 400033 R5-2016-0066 Y
1098002 11/19/2021 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.4 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1096622 11/02/2021 Late Report Monthly SMR ( MONNPDES ) report for September 2021 (2537810) was due on 01-NOV-2 Violation None Report Chester STP 442945 R5-2021-0022 Y
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 Y
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 Y
1096368 10/14/2021 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 42 M Violation N eSMR Anderson WPCP 429568 R5-2019-0068 Y
1095345 10/02/2021 Late Report Monthly SMR ( MONRPT ) report for August 2021 (2525111) was due on 01-OCT-21 Violation None Report Chico Water Pollution Control Plant 397469 R5-2016-0023 Y
1093587 06/30/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10. Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1090778 03/10/2021 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 33 MPN Violation N Report Chico Water Pollution Control Plant 397469 R5-2016-0023 Y
1090777 03/09/2021 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 41 MPN Violation N Report Chico Water Pollution Control Plant 397469 R5-2016-0023 Y
1090332 04/30/2021 CAT1 Ammonia, Total (as N) Monthly Average limit is 7.34 mg/L and reported value was Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1090331 04/30/2021 CAT2 Chlorine, Total Residual 4-Day Average (Mean) limit is 0.011 mg/L and reported v Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1090330 04/28/2021 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.3 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1090329 04/28/2021 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 130 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1089855 04/09/2021 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 71 M Violation N eSMR Anderson WPCP 429568 R5-2019-0068 Y
1089827 04/16/2021 ATOX Acute Toxicity Other limit is 70.0 % survival and reported value was 50.0 % surv Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1088866 03/31/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10. Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1088864 03/10/2021 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 1600 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1088861 03/13/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 m Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1088860 03/31/2021 CAT1 Ammonia, Total (as N) Monthly Average limit is 7.34 mg/L and reported value was Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1088859 03/27/2021 CAT1 Ammonia, Total (as N) Weekly Average limit is 11.9 mg/L and reported value was 2 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1087434 01/08/2021 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.1 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1087433 02/01/2021 CAT2 Chlorine, Total Residual 4-Day Average (Mean) limit is .011 mg/L and reported va Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1087432 02/10/2021 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 26.0 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1087431 02/01/2021 CAT2 Chlorine, Total Residual 1-Hour Average (Mean) limit is 0.019 mg/L and reported Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1086635 11/30/2020 CAT2 Dibromochloromethane Monthly Average limit is 2.2 ug/L and reported value was 3. Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1086617 10/31/2020 CAT2 Dibromochloromethane Monthly Average limit is 2.2 ug/L and reported value was 4. Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1086229 11/18/2020 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day p Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1086227 11/18/2020 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 600 MP Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1086224 10/14/2020 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day p Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1086211 09/03/2020 Order Conditions Total Coliform exceeds the limit of 2.2 MPN/100 mL, on 9/3 with a reported value Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1086171 09/14/2020 CAT2 Chlorine, Total Residual 4-Day Average (Mean) limit is 0.011 mg/L and reported v Violation N Report Cottonwood WWTP 400033 R5-2016-0066 Y
1084504 08/05/2020 Deficient Monitoring Total Coliform was only sampled once during the month of August, Per the permit, Violation N Report Chester STP 392735 R5-2016-0004 Y
1084149 12/02/2020 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 110 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
1084148 12/25/2020 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.2 SU at EFF-00 Violation N eSMR Cottonwood WWTP 400033 R5-2016-0066 Y
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.
Total Violations: 216
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
  
  
  
  
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Enforcement Actions
Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status
Total Enforcement Actions: 0
  
  
  
  
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Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 07/09/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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