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 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 227602 Gonzales WWTP Monterey 3 Wastewater Treatment Facility Owner 01/26/2001 null 826586 Gonzales City WS Monterey 3 Utility Structure Owner and Operator 07/25/2016 null 894798 City of Gonzales Industrial WWTF Monterey 3 Wastewater Treatment Facility Owner and Operator 05/10/2024 null 631905 City of Gonzales CS Monterey 3 Collection_System Owner 04/06/2006 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 561810 Tiffany Twisselmann Person Data Submitter 01/05/2017 null null 300093 Mark Gunter Person Legally Responsible Official 04/06/2006 null null 605857 Rene Mendez Person Legally Responsible Official 01/17/2020 null null 548834 Jamie Lipe Person Legally Responsible Official 12/19/2014 null null 558270 Harold Wolgamott Person Legally Responsible Official 07/25/2016 01/17/2020 null 300110 Carlos Lopez Person Legally Responsible Official 04/06/2006 04/02/2015 null 548794 Veronica Gonzalez Person Data Submitter 10/14/2014 null null Regulatory Measures(non-enforcement) Reg. Measure ID Regulatory Measure Type Region WDID Title Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date 462094 Enrollee - WDR 3 3SSO20074 Enrollee of SB SSO WDR for Gonzales City Active SSOMUNISML 2022-0103-DWQ 08/01/2025 null Discharger 08/07/2025 null 452393 Enrollee - WDR 3 3 270104001 Enrollee - WDR under Gen WDR for Domestic WW Systems Over 100K GPD for Gonzales City WWTP Active WDRMUNILRG R3-2020-0020 04/11/2023 null Discharger 04/24/2023 null 440279 Co-Permitee SB 3 270104001 13267 Order Co-Permitee under 2020-0015-DWQ for Gonzales City Active SLIC 2020-0015-DWQ 07/09/2020 null Discharger 09/18/2020 null 407886 Enrollee - NPDES 3 4DW0103 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for Gonzales City Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2016 null Discharger 07/01/2016 null 302168 WDR 3 3 270104001 WDR No. R3-2006-0005 for the City of Gonzales WWTP Historical WDRMUNILRG R3-2006-0005 03/24/2006 04/10/2023 Discharger 05/18/2001 null 301452 Enrollee 3 3SSO10271 Enrollee of SB SSO WDR for Gonzales, City Of Historical SSOMUNISML 2006-0003-DWQ 08/16/2006 06/04/2023 Discharger 04/19/2006 null 301225 Enrollee 3 3SSO10248 Enrollee of SB SSO WDR for City of Gonzales Historical SSOMUNISML 2006-0003-DWQ 11/02/2006 06/04/2023 Discharger 04/17/2006 null 148205 WDR 3 3 270104001 WDR 01-039 for GONZALES, CITY OF Historical WDRMUNILRG 01-039 05/18/2001 03/23/2006 Discharger 05/18/2001 null 143181 WDR 3 3 270104001 WDR 83-002 for GONZALES, CITY OF Historical WDRMUNILRG 83-002 02/25/1983 05/17/2001 Discharger 02/25/1983 null Violations within the past calendar 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. 1147713 08/12/2025 Late Report Failure to submit time schedule compliance plan. Violation null 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 1147712 03/02/2025 Late Report Failure to submit 2024 annual report. Violation null Report Gonzales WWTP 452393 R3-2020-0020 Y 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 null Report Gonzales WWTP 452393 R3-2020-0020 Y 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 null 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 null 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 null Report Gonzales WWTP 302168 R3-2006-0005 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 null 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 null Report Gonzales WWTP 452393 R3-2020-0020 N 1146963 12/31/2024 Deficient Monitoring The nitrogen concentration was also not reported for the point of compliance (groundwater). Violation null Report Gonzales WWTP 452393 R3-2020-0020 N 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 null 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 null Report Gonzales WWTP 302168 R3-2006-0005 N Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 456144 Notice of Violation null NOV 03/06/2024 for Gonzales City WDRMUNILRG 03/06/2024 Active 462042 Notice of Violation null NOV 07/29/2025 for Gonzales City WWTP WDRMUNILRG 07/29/2025 Historical 387956 Notice of Violation null NOV 10-APR-12 for CITY OF GONZALES SSOMUNISML 04/10/2012 Historical 462644 Notice of Violation null NOV 08/26/2025 for City of Gonzales WWTP WDRMUNILRG 08/26/2025 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status