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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
9073 Colusa City City Agency 425 Webster Street Colusa, CA 95932 530-458-4941(+) None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
849033 Colusa City WS Colusa 5S Utility Structure Owner and Operator 07/13/2018 None
821675 Colusa Boat Launching Facility Project Colusa 5S Dredge/Fill Site Owner 02/02/2016 None
630671 Colusa CS Colusa 5S Collection_System Owner 04/03/2006 None
215225 City of Colusa WWTP Colusa 5S Wastewater Treatment Facility Owner and Operator 06/08/1995 None
Total Related Places: 4
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
531632 Dale Klever Person Legally Responsible Official 02/06/2012 01/23/2013 None
81891 Frank Garofalo Person Legally Responsible Official 04/03/2006 01/23/2013 None
580886 Todd Heidrick Person Legally Responsible Official 07/13/2018 None None
554462 Randall Dunn Person Legally Responsible Official 02/02/2016 None None
594964 Melissa Lee Person Data Submitter 03/29/2022 None None
648985 Jeremy Cain Person Legally Responsible Official 02/05/2025 None None
522152 Jesse Cain Person Legally Responsible Official 04/22/2010 None None
140774 Ron Loudon Person Enforcement Contact 03/01/2002 None None
Total Related Parties: 8
  
  
  
  
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?
447828 NPDES Permit 5S 5A060101001 Active NPDMUNIOTH R5-2022-0020 06/01/2022 None Discharger 05/26/2022 None N
436481 Enrollee - WDR 5S 5A06NC00020 Active REC 2016-0068-DDW 12/28/2020 None Discharger 01/23/2020 None N
422707 Enrollee - NPDES 5S 4DW0560 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2018 None Discharger 07/13/2018 None N
409145 NPDES Permit 5S 5A060101001 Historical NPDMUNIOTH R5-2016-0062-02 11/01/2016 05/31/2022 Discharger 08/18/2016 None Y
404505 401 Certification 5S 5A06CR00065A1 Active CERFILLEXC None 02/17/2017 None Discharger 02/02/2016 None N
301292 Enrollee - WDR 5S 5SSO10908 Active SSOMUNISML 2022-0103-DWQ 10/25/2006 None Discharger 04/18/2006 None N
131923 NPDES Permit 5S 5A060101001 Historical NPDMUNIOTH R5-2002-0020 03/01/2002 01/23/2009 Discharger 03/01/2002 None N
365379 NPDES Permit 5S 5A060101001 Historical NPDMUNIOTH R5-2008-0184 01/24/2009 10/31/2016 Discharger 03/01/2002 None N
146523 NPDES Permit 5S 5A060101001 Historical NPDMUNIOTH 96-238 09/20/1996 02/28/2002 Discharger 09/20/1996 None N
140722 NPDES Permit 5S 5A060101001 Historical NPDMUNIOTH 90-207 08/10/1990 09/19/1996 Discharger 08/10/1990 None N
139542 NPDES Permit 5S 5A060101001 Historical NPDMUNIOTH 85-046 03/22/1985 08/09/1990 Discharger 03/22/1985 None N
Total Regulatory Measures: 11
  
  
  
  
Expand/Contract Violations
Violations within the past year
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.
1136572 10/02/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 11.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 447828 R5-2022-0020 Y
1131307 07/09/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 7.8 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 447828 R5-2022-0020 Y
1130053 06/20/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 447828 R5-2022-0020 Y
1130052 06/27/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 447828 R5-2022-0020 Y
1130051 06/25/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 447828 R5-2022-0020 Y
1130050 06/24/2024 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 11.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 447828 R5-2022-0020 Y
1113573 10/10/2022 Surface Water Discharge caused receiving water DO to be below 6.0 mg/L, and the limit is 7.0 mg/L. Violation N Report City of Colusa WWTP 447828 R5-2022-0020 Y
1110905 08/25/2022 Surface Water Discharge caused dissolved oxygen concentration in receiving water to be reduced to 6.1 mg/L on 8/25/2022, and limitation is 7.0 mg/L Violation N Report City of Colusa WWTP 447828 R5-2022-0020 Y
1110903 07/31/2022 Deficient Monitoring Discharger sampled influent BOD only 1/month instead of 2/month as required. Violation N Report City of Colusa WWTP 447828 R5-2022-0020 Y
1110588 10/18/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 447828 R5-2022-0020 Y
1108717 08/09/2022 OEV Total Coliform Instantaneous Maximum limit is 240 MPN/100 mL and reported value was 540.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 447828 R5-2022-0020 Y
1107957 05/26/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.8 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1107956 05/23/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.8 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1107955 03/08/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 130 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1107954 03/07/2022 OEV Total Coliform Instantaneous Maximum limit is 240 MPN/100 mL and reported value was 540 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1107294 03/14/2022 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 130 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1107293 03/07/2022 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 540 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1107292 03/03/2022 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 130 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1107291 03/01/2022 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. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1103493 03/03/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 70.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1103492 03/15/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 22.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1103491 03/07/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 130.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1103490 03/01/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 13.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1102758 01/31/2022 Deficient Monitoring Discharger did not sample influent TSS at the required frequency during the month of January. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1102756 02/28/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 13 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1102755 02/14/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 7.8 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1102701 02/22/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1102700 02/21/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1102699 02/24/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1102698 02/15/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1102697 02/17/2022 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1101200 01/20/2022 OEV Total Coliform 7-Day Median limit is 2.2 mg/L and reported value was 4.0 mg/L at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1101199 01/18/2022 OEV Total Coliform 7-Day Median limit is 2.0 mg/L and reported value was 4.5 mg/L at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1101198 01/17/2022 OEV Total Coliform 7-Day Median limit is 2.2 mg/L and reported value was 4.0 mg/L at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1100652 11/06/2021 Deficient Reporting Discharger did not report results for ammonia, BOD, TDS, and TSS at the required frequency during the week ending 11/6/2021. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1100651 11/02/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 12.5 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1100650 11/01/2021 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. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1100521 12/31/2021 Deficient Monitoring Discharger did not conduct monitoring at BIO-001 for priority pollutants once per year as required in the MRP. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1099771 12/09/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 23.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1099770 12/27/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1099769 12/07/2021 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 49 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1099766 12/07/2021 OEV Total Coliform 7-Day Median limit is 2.2 mg/L and reported value was 4.5 mg/L at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1099764 12/21/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.3 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1099763 12/14/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 12.5 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1098626 11/24/2021 OEV Total Coliform 7-Day Median limit is 2.2 mg/L and reported value was 6.2 mg/L at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1098625 11/23/2021 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 27 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1098624 11/29/2021 OEV Total Coliform 7-Day Median limit is 2.2 mg/L and reported value was 4.5 mg/L at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1098623 11/23/2021 OEV Total Coliform 7-Day Median limit is 2.2 mg/L and reported value was 7.8 mg/L at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1097340 10/28/2021 OEV Total Coliform 7-Day Median limit is 2.2 mg/L and reported value was 4.0 mg/L at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1097338 10/25/2021 OEV Total Coliform 7-Day Median limit is 2.2 mg/L and reported value was 4 mg/L at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1097337 10/26/2021 OEV Total Coliform 7-Day Median limit is 2.0 mg/L and reported value was 4.0 mg/L at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1097066 08/02/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1097065 07/27/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.0 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1097064 07/12/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.3 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1097063 07/08/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1095903 09/23/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 33.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1095902 09/23/2021 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 33.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1095901 09/27/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 33.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1095900 09/21/2021 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 49.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1095899 09/21/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 11.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1095898 09/20/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 11.0 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1095895 09/16/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 17 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1094654 08/26/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1093386 07/13/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.3 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1093385 07/06/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 2.3 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1092817 06/30/2021 Deficient Monitoring The Discharger monitored UV transmittance and UV dose only once per day during the month of April, rather than continuously as required in the MRP. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1092814 05/31/2021 Deficient Monitoring The Discharger monitored UV transmittance and UV dose only once per day during the month of May, rather than continuously as required in the MRP. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1092813 04/30/2021 Deficient Monitoring The Discharger monitored UV transmittance and UV dose only once per day during the month of April, rather than continuously as required in the MRP. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1092599 06/28/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 5.7 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1092598 06/24/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.8 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1092597 06/23/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.8 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1090892 03/30/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 9.9 MPN/100 mL at UVS-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1090891 03/29/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.8 MPN/100 mL at UVS-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1090768 04/27/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.5 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1090764 04/05/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.1 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1090763 04/01/2021 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.8 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1082163 10/31/2020 Deficient Monitoring Discharger did not monitor nitrate at RSW-001U and RSW-001D 1/month as required in the MPR. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1081456 07/04/2020 Deficient Monitoring Discharger monitored pH at EFF-001 twice per week instead of three times per week during the week ending 7/4/20. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1081455 09/09/2020 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1081454 09/03/2020 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. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1081452 09/01/2020 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 79 MPN/100 mL at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1080733 08/31/2020 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 1600 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1080732 09/08/2020 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 18.5 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1080731 09/01/2020 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 79 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1080730 09/03/2020 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 79 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1079892 08/31/2020 OEV Total Coliform Instantaneous Maximum limit is 240 MPN/100 mL and reported value was 1600 MPN/100 mL at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1078688 06/25/2020 OEV Total Coliform 7-Day Median limit is 2.2 mg/L and reported value was 7.8 mg/L at EFF-001. Violation N Report City of Colusa WWTP 409145 R5-2016-0062-02 Y
1077592 06/23/2020 OEV Total Coliform 7-Day Median limit is 2.2 mg/L and reported value was 7.8 mg/L at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
1077589 06/29/2020 OEV Total Coliform 7-Day Median limit is 2.2 mg/L and reported value was 4.5 mg/L at EFF-001. Violation N eSMR City of Colusa WWTP 409145 R5-2016-0062-02 Y
Report defaults to display violations within the last year. Click here to see last five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 89
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
  
  
  
  
Expand/Contract Enforcement Actions
Enforcement Actions
Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status
459994 Notice of Violation None NOV 02/13/2025 for Colusa City NPDMUNIOTH 02/13/2025 Historical
459060 Notice of Violation None NOV 11/06/2024 for Colusa City NPDMUNIOTH 11/06/2024 Historical
457972 Notice of Violation None NOV 08/06/2024 for Colusa City NPDMUNIOTH 08/06/2024 Historical
455408 Admin Civil Liability R5-2023-0510 ACL R5-2023-0510 for Colusa City NPDMUNIOTH 03/21/2024 Historical
451310 Notice of Violation None NOV 02/22/2023 for Colusa City NPDMUNIOTH 02/22/2023 Historical
450369 Notice of Violation None NOV 12/02/2022 for Colusa City NPDMUNIOTH 12/02/2022 Historical
449386 Admin Civil Liability R5-2022-0505 ACL R5-2022-0505 for Colusa City NPDMUNIOTH 09/28/2022 Active
449151 Notice of Violation None NOV 09/08/2022 for Colusa City NPDMUNIOTH 09/08/2022 Historical
447829 Time Schedule Order R5-2022-0021 TSO R5-2022-0021 for Colusa City, Colusa WWTP NPDMUNIOTH 06/01/2022 Active
447375 Notice of Violation None NOV 04/07/2022 for Colusa City NPDMUNIOTH 04/07/2022 Historical
446628 Notice of Violation None NOV 02/16/2022 for Colusa City NPDMUNIOTH 02/16/2022 Historical
445815 Notice of Violation None NOV 11/24/2021 for Colusa City NPDMUNIOTH 11/24/2021 Historical
444486 Notice of Violation None NOV 08/05/2021 for Colusa City NPDMUNIOTH 08/05/2021 Historical
443545 Notice of Violation None NOV 06/08/2021 for Colusa City NPDMUNIOTH 06/08/2021 Historical
443103 Admin Civil Liability R5-2021-0500 ACL R5-2021-0500 for Colusa City NPDMUNIOTH 04/06/2021 Historical
442536 Notice of Violation None NOV 03/10/2021 for Colusa City NPDMUNIOTH 03/10/2021 Historical
441300 Notice of Violation None NOV 11/16/2020 for Colusa City NPDMUNIOTH 11/16/2020 Historical
440027 Notice of Violation None NOV 09/01/2020 for Colusa City NPDMUNIOTH 09/01/2020 Historical
438423 Notice of Violation None NOV 06/04/2020 for Colusa City NPDMUNIOTH 06/04/2020 Historical
438416 Notice of Violation None NOV 06/04/2020 for Colusa City NPDMUNIOTH 06/04/2020 Historical
438220 Admin Civil Liability R5-2020-0522 ACL R5-2020-0522 for Colusa City NPDMUNIOTH 07/07/2020 Historical
438128 Notice of Violation None NOV 03/17/2020 for Colusa City NPDMUNIOTH 03/17/2020 Historical
438101 Notice of Violation None NOV 03/17/2020 for Colusa City NPDMUNIOTH 03/17/2020 Historical
437265 Notice of Violation None NOV 03/17/2020 for Colusa City NPDMUNIOTH 03/17/2020 Historical
437229 Notice of Violation None NOV 07/07/2016 for Colusa City NPDMUNIOTH 07/07/2016 Historical
436683 Notice of Violation None NOV 02/05/2020 for Colusa City NPDMUNIOTH 02/05/2020 Historical
436260 Notice of Violation None NOV 01/08/2020 for Colusa City NPDMUNIOTH 01/08/2020 Historical
434467 Notice of Violation R5-2016-0062-01 NOV 09/24/2019 for Colusa City NPDMUNILRG 09/24/2019 Historical
430291 Notice of Violation None NOV 04/30/2019 for Colusa City NPDMUNIOTH 04/30/2019 Historical
422102 Notice of Violation None NOV 06/15/2018 for Colusa City NPDMUNIOTH 06/15/2018 Historical
416444 Notice of Violation None NOV 09/20/2017 for Colusa City NPDMUNIOTH 09/20/2017 Historical
412836 Notice of Violation None NOV 04/18/2017 for Colusa City NPDMUNIOTH 04/18/2017 Historical
410411 Notice of Violation None NOV 11/28/2016 for Colusa City NPDMUNIOTH 11/28/2016 Historical
410077 Time Schedule Order R5-2016-0075 TSO R5-2016-0075 for Colusa City, Colusa WWTP NPDMUNIOTH 10/14/2016 Historical
406347 Notice of Violation None NOV 01/07/2016 for Colusa City NPDMUNIOTH 01/07/2016 Historical
400189 Admin Civil Liability R5-2015-0516 ACL R5-2015-0516 for Colusa City NPDMUNIOTH 03/10/2015 Historical
400138 Notice of Violation None NOV 02/27/2015 for Colusa City NPDMUNIOTH 02/27/2015 Historical
399253 Notice of Violation None NOV 12/10/2014 for Colusa City NPDMUNIOTH 12/10/2014 Historical
398962 Admin Civil Liability R5-2014-0581 ACL R5-2014-0581 for Colusa City NPDMUNIOTH 11/25/2014 Historical
398676 Notice of Violation None NOV 10/28/2014 for Colusa City NPDMUNIOTH 10/28/2014 Historical
396715 Notice of Violation None NOV 06/05/2014 for Colusa City NPDMUNIOTH 06/05/2014 Historical
390035 Admin Civil Liability R5-2013-0532 ACL R5-2013-0532 for Colusa City NPDMUNIOTH 04/26/2013 Historical
390013 Notice of Violation None NOV 05/24/2012 for Colusa City NPDMUNIOTH 05/24/2012 Historical
389129 Notice of Violation None NOV 02/14/2013 for Colusa City WWTP NPDMUNIOTH 02/14/2013 Historical
388359 Notice of Violation None NOV 12/05/2012 for Colusa City WWTP NPDMUNIOTH 12/05/2012 Historical
388067 Notice of Violation None NOV 10-APR-12 for COLUSA CITY SSOMUNISML 04/10/2012 Historical
386116 Notice of Violation None NOV 07/06/2012 for Colusa City WWTP NPDMUNIOTH 07/06/2012 Historical
385687 Notice of Violation None NOV 06/25/2012 for Colusa City WWTP NPDMUNIOTH 06/25/2012 Historical
384982 Notice of Violation None NOV 04/24/2012 for Colusa City WWTP NPDMUNIOTH 04/24/2012 Historical
383561 Notice of Violation None NOV 02/23/2012 for Colusa City WWTP NPDMUNIOTH 02/23/2012 Historical
382646 Notice of Violation None NOV 12/28/2011 for Colusa City WWTP NPDMUNIOTH 12/28/2011 Historical
380338 Notice of Violation None NOV 07/07/2011 for Colusa City WWTP NPDMUNIOTH 07/07/2011 Historical
377696 Notice of Violation None NOV 02/14/2011 for City of Colusa WWTP NPDMUNIOTH 02/14/2011 Historical
377560 Admin Civil Liability R5-2011-0519 MMPO R5-2011-0519 for Colusa City, Colusa WWTP NPDMUNIOTH 02/04/2011 Historical
376664 Notice of Violation None NOV 11/16/2010 for Colusa City WWTP NPDMUNIOTH 11/16/2010 Historical
374940 Admin Civil Liability R5-2010-0517 MMPO R5-2010-0517 for Colusa City, Colusa WWTP NPDMUNIOTH 06/10/2010 Historical
374918 Admin Civil Liability R5-2010-0518 MMPO R5-2010-0518 for Colusa City, Colusa WWTP NPDESWW 06/10/2010 Historical
372571 Notice of Violation None NOV 10/07/2009 for Colusa City WWTP NPDMUNIOTH 10/07/2009 Historical
367490 Notice of Violation None NOV 06/05/2009 for Colusa City, Colusa WWTP NPDMUNIOTH 06/05/2009 Historical
364747 Notice of Violation None NOV 02/25/2009 for Colusa City, Colusa WWTP NPDMUNIOTH 02/25/2009 Historical
347230 Admin Civil Liability R5-2008-0535 MMPO R5-2008-0535 for Colusa City, Colusa WWTP NPDESWW 10/01/2008 Historical
329413 Time Schedule Order R5-2007-0074 TSO R5-2007-0074 for Colusa City, Colusa WWTP NPDMUNIOTH 06/22/2007 Historical
242323 Admin Civil Liability R5-2003-0504 MMPC R5-2003-0504 for Colusa City, Colusa WWTP NPDMUNIOTH 07/29/2003 Superceded
239442 Cease and Desist Order R5-2002-0021 CDO R5-2002-0021 for Colusa City, Colusa WWTP NPDMUNIOTH 03/01/2002 Historical
236906 Notice of Violation None NOV 08/23/2001 for Colusa City, COLUSA WWTP NPDMUNIOTH 08/23/2001 Historical
Total Enforcement Actions: 65
  
  
  
  
Expand/Contract Enforcement Actions
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: 06/20/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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