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   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
18354 City of Gonzales City Agency 147 Fourth Street Gonzales, CA 93926 831-675-5000 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
894798 City of Gonzales Industrial WWTF Monterey 3 Wastewater Treatment Facility Owner and Operator 05/10/2024 None
826586 Gonzales City WS Monterey 3 Utility Structure Owner and Operator 07/25/2016 None
631905 City of Gonzales CS Monterey 3 Collection_System Owner 04/06/2006 None
227602 Gonzales WWTP Monterey 3 Wastewater Treatment Facility Owner 01/26/2001 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
605857 Rene Mendez Person Legally Responsible Official 01/17/2020 None None
561810 Tiffany Twisselmann Person Data Submitter 01/05/2017 None None
558270 Harold Wolgamott Person Legally Responsible Official 07/25/2016 01/17/2020 None
548834 Jamie Lipe Person Legally Responsible Official 12/19/2014 None None
548794 Veronica Gonzalez Person Data Submitter 10/14/2014 None None
300110 Carlos Lopez Person Legally Responsible Official 04/06/2006 04/02/2015 None
300093 Mark Gunter Person Legally Responsible Official 04/06/2006 None None
Total Related Parties: 7
  
  
  
  
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?
462094 Enrollee - WDR 3 3SSO20074 Active SSOMUNISML 2022-0103-DWQ 08/01/2025 None Discharger 08/07/2025 None N
452393 Enrollee - WDR 3 3 270104001 Active WDRMUNILRG R3-2020-0020 04/11/2023 None Discharger 04/24/2023 None N
440279 Co-Permitee SB 3 270104001 Active SLIC 2020-0015-DWQ 07/09/2020 None Discharger 09/18/2020 None N
407886 Enrollee - NPDES 3 4DW0103 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2016 None Discharger 07/01/2016 None N
302168 WDR 3 3 270104001 Historical WDRMUNILRG R3-2006-0005 03/24/2006 04/10/2023 Discharger 05/18/2001 None N
301452 Enrollee 3 3SSO10271 Historical SSOMUNISML 2006-0003-DWQ 08/16/2006 06/04/2023 Discharger 04/19/2006 None N
301225 Enrollee 3 3SSO10248 Historical SSOMUNISML 2006-0003-DWQ 11/02/2006 06/04/2023 Discharger 04/17/2006 None N
148205 WDR 3 3 270104001 Historical WDRMUNILRG 01-039 05/18/2001 03/23/2006 Discharger 05/18/2001 None N
143181 WDR 3 3 270104001 Historical WDRMUNILRG 83-002 02/25/1983 05/17/2001 Discharger 02/25/1983 None N
Total Regulatory Measures: 9
  
  
  
  
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.
1147713 08/12/2025 Late Report Failure to submit time schedule compliance plan. Violation None Report Gonzales WWTP 452393 R3-2020-0020 Y
1147712 03/02/2025 Late Report Failure to submit 2024 annual report. Violation None Report Gonzales WWTP 452393 R3-2020-0020 Y
1147710 10/12/2024 Late Report Failure to submit groundwater monitoring plan by 10/11/24. Violation N Report Gonzales WWTP 452393 R3-2020-0020 Y
1146963 12/31/2024 Deficient Monitoring The nitrogen concentration was also not reported for the point of compliance (groundwater). Violation None Report Gonzales WWTP 452393 R3-2020-0020 N
1146962 12/31/2024 Deficient Monitoring Freeboard was reported as a violation, but the specific dates and values were not reported. Violation None Report Gonzales WWTP 452393 R3-2020-0020 N
1146957 08/29/2025 Groundwater Nitrogen limit of 10 mg/L exceed in pond 7 with values of 19.7 mg/L and 40.8 mg/L. Violation None Report Gonzales WWTP 302168 R3-2006-0005 N
1145986 06/30/2025 CAT1 Nitrogen, Total (as N) Instantaneous Maximum limit is 28.5 mg/L and reported value was 50 mg/L. Violation None Report Gonzales WWTP 452393 R3-2020-0020 N
1145985 06/30/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit is 45.0 mg/L and reported value was 120 mg/L. Violation None Report Gonzales WWTP 452393 R3-2020-0020 N
1145301 07/02/2025 Unauthorized Discharge Unauthorized overflow/discharge of treated effluent to land areas not owned by the discharger or authorized for disposal by waste discharge requirements. Violation of WDR Section III, Prohibitions, Item 5 prohibiting ?Bypass or overflow of treated or untreated waste,? Section III, Prohibitions, Item 6 prohibiting ?The discharge of waste to land not owned, operated, or controlled by the Discharger,? and Section III, Prohibitions, Item 7 prohibiting ?Discharge to any areas other than those designated in the notice of applicability." Violation None Report Gonzales WWTP 452393 R3-2020-0020 Y
1145300 06/27/2025 Unauthorized Discharge Unauthorized overflow/discharge of treated effluent to land areas not owned by the discharger or authorized for disposal by waste discharge requirements. Violation of WDR Section III, Prohibitions, Item 5 prohibiting ?Bypass or overflow of treated or untreated waste,? Section III, Prohibitions, Item 6 prohibiting ?The discharge of waste to land not owned, operated, or controlled by the Discharger,? and Section III, Prohibitions, Item 7 prohibiting ?Discharge to any areas other than those designated in the notice of applicability." Violation N Report Gonzales WWTP 452393 R3-2020-0020 Y
1143396 03/31/2025 CAT1 Nitrogen, Total (as N) Instantaneous Maximum limit is 28.5 mg/L and reported value was 48 mg/L. Violation None Report Gonzales WWTP 452393 R3-2020-0020 N
1143395 03/31/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit is 45 mg/L and reported value was 48.5 mg/L. Violation None Report Gonzales WWTP 452393 R3-2020-0020 N
1143394 03/31/2025 Groundwater Nitrogen limit of 10 mg/L exceed in pond 7 with values of 19.7 mg/L and 40.8 mg/L. Violation None Report Gonzales WWTP 302168 R3-2006-0005 N
1135573 07/20/2024 Groundwater Nitrogen limit of 10 mg/L exceed in pond 7 with values of 19.7 mg/L and 40.8 mg/L. Violation None Report Gonzales WWTP 302168 R3-2006-0005 N
1130730 04/02/2024 CAT1 Nitrogen, Total (as N) Instantaneous Maximum limit is 28.5 mg/L and reported value was 35 mg/L. Violation None Report Gonzales WWTP 452393 R3-2020-0020 N
1125540 06/06/2023 Groundwater Nitrate concentrations in groundwater downgradient of the disposal area exceeded 10 mg/L total as N in MW#1, MW#2, and MW#5. Violation N Report Gonzales WWTP 302168 R3-2006-0005 N
1125035 06/06/2023 Groundwater Nitrate concentrations downgradient of the disposal area exceeded 10 mg/L nitrate (as N) in MW 1, 2, and 5. Violation N Report Gonzales WWTP 302168 R3-2006-0005 N
1124903 01/31/2024 Order Conditions Allowing fruit and vegetable processors to discharge incompatible wastes that inhibit or disrupt the treatment ponds. Violation None Report Gonzales WWTP 452393 R3-2020-0020 Y
1124902 01/31/2024 Order Conditions Failure to maintain a dissolved oxygen concentration of 1.0 milligram per liter (mg/L). Violation None Report Gonzales WWTP 452393 R3-2020-0020 Y
1124901 01/31/2024 Order Conditions Discharge above the 30-day average 100 pound per acre per day limit. Violation None Report Gonzales WWTP 452393 R3-2020-0020 Y
1124900 01/31/2024 Order Conditions Failure to treat, or only partially treating, wastewater Violation N Report Gonzales WWTP 452393 R3-2020-0020 Y
1112841 12/08/2022 Groundwater Nitrogen limit of 10 mg/L exceed at MW #1 and #2 Violation N Report Gonzales WWTP 302168 R3-2006-0005 N
1110472 09/13/2022 Groundwater Effluent nitrogen limits exceeded in groundwater monitoring wells 1, 2, and 3. Violation N Report Gonzales WWTP 302168 R3-2006-0005 N
1108230 06/07/2022 Groundwater Nitrate in monitoring Well #1 and #2 was 22.6 and 39.1 mg/L respectively, which is over order section B.4 limiting Well nitrate to no more than 10 mg/L Violation None Report Gonzales WWTP 302168 R3-2006-0005 N
1104293 03/02/2022 Groundwater Nitrate concentrations in groundwater downgradient of the disposal area exceeded 10mg/L. (MW1= 18 mg/L, MW2= 13.5 mg/L). Violation N Report Gonzales WWTP 302168 R3-2006-0005 N
1096903 09/14/2021 CAT1 Nitrogen, Total (as N) Instantaneous Maximum limit is 10 mg/L and reported value was 19 mg/L. Violation N Report Gonzales WWTP 302168 R3-2006-0005 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.
Total Violations: 26
*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
462644 Notice of Violation None NOV 08/26/2025 for City of Gonzales WWTP WDRMUNILRG 08/26/2025 Historical
462042 Notice of Violation None NOV 07/29/2025 for Gonzales City WWTP WDRMUNILRG 07/29/2025 Historical
456144 Notice of Violation None NOV 03/06/2024 for Gonzales City WDRMUNILRG 03/06/2024 Active
387956 Notice of Violation None NOV 10-APR-12 for CITY OF GONZALES SSOMUNISML 04/10/2012 Historical
Total Enforcement Actions: 4
  
  
  
  
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: 11/12/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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