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California Integrated Water Quality System Project (CIWQS)
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Place ID 227602 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
3 227602 Gonzales WWTP Wastewater Treatment Facility 400 Short Gonzales, CA, 93926 Monterey
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
147153 Person Kristina Olmos Case Worker 12/13/2017
138418 Person Tom Kukol Case Worker 10/26/2010 07/25/2017
18354 Organization City of Gonzales Owner City Agency 01/26/2001
Total Related Parties: 3
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
452393 Enrollee - WDR 3 WDRMUNILRG R3-2020-0020 3 270104001 04/11/2023 09/24/2030 Active N
440279 Co-Permitee SB SLIC 2020-0015-DWQ 3 270104001 07/09/2020 Active N
302168 WDR 3 WDRMUNILRG R3-2006-0005 3 270104001 03/24/2006 03/24/2016 Historical N
148205 WDR 3 WDRMUNILRG 01-039 3 270104001 05/18/2001 03/23/2006 Historical N
143181 WDR 3 WDRMUNILRG 83-002 3 270104001 02/25/1983 11/14/2007 Historical N
Total Reg Measures: 5
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1146957 08/29/2025 GWAT Nitrogen limit of 10 mg/L exceed in pond 7 with values of 19.7 mg/L and 40.8 mg/L. Violation B Report
1147713 08/12/2025 LREP Failure to submit time schedule compliance plan. Pending response from discharger. Violation B Report
1145301 07/02/2025 UAUTHDISC 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." Gonzales has removed all pipes and valves found on its property, widened the berms between the flood fields, and plans to notify D'Arrigo when discharging resumes to ensure all pipes are sealed or removed. Violation B Report
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 B Report
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 B Report
1145300 06/27/2025 UAUTHDISC 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." Gonzales has removed all pipes and valves found on its property, widened the berms between the flood fields, and plans to notify D'Arrigo when discharging resumes to ensure all pipes are sealed or removed. Violation B Report
1143394 03/31/2025 GWAT Nitrogen limit of 10 mg/L exceed in pond 7 with values of 19.7 mg/L and 40.8 mg/L. Violation B Report
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 B Report
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 B Report
1147712 03/02/2025 LREP Failure to submit 2024 annual report. Pending response from discharger. Violation B Report
1146962 12/31/2024 DMON Freeboard was reported as a violation, but the specific dates and values were not reported. Violation B Report
1146963 12/31/2024 DMON The nitrogen concentration was also not reported for the point of compliance (groundwater). Violation B Report
1147710 10/12/2024 LREP Failure to submit groundwater monitoring plan by 10/11/24. Pending response from discharger. Violation B Report
1135573 07/20/2024 GWAT Nitrogen limit of 10 mg/L exceed in pond 7 with values of 19.7 mg/L and 40.8 mg/L. Violation B Report
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 B Report
1124903 01/31/2024 Order Conditions Allowing fruit and vegetable processors to discharge incompatible wastes that inhibit or disrupt the treatment ponds. Violation B Report
1124901 01/31/2024 Order Conditions Discharge above the 30-day average 100 pound per acre per day limit. Violation B Report
1124902 01/31/2024 Order Conditions Failure to maintain a dissolved oxygen concentration of 1.0 milligram per liter (mg/L). Violation B Report
1124900 01/31/2024 Order Conditions Failure to treat, or only partially treating, wastewater Violation B Report
1125035 06/06/2023 GWAT Nitrate concentrations downgradient of the disposal area exceeded 10 mg/L nitrate (as N) in MW 1, 2, and 5. Violation B Report
1125540 06/06/2023 GWAT 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 B Report
1112841 12/08/2022 GWAT Nitrogen limit of 10 mg/L exceed at MW #1 and #2 Violation B Report
1110472 09/13/2022 GWAT Effluent nitrogen limits exceeded in groundwater monitoring wells 1, 2, and 3. Violation B Report
1108230 06/07/2022 GWAT 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 B Report
1104293 03/02/2022 GWAT Nitrate concentrations in groundwater downgradient of the disposal area exceeded 10mg/L. (MW1= 18 mg/L, MW2= 13.5 mg/L). Violation B Report
1096903 09/14/2021 CAT1 Nitrogen, Total (as N) Instantaneous Maximum limit is 10 mg/L and reported value was 19 mg/L. Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 26 Priority Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.
Violation Types
CAT1 = Category 1 Pollutant (Effluent Violation for Group 1 Pollutant) DMON = Deficient Monitoring
GWAT = Groundwater LREP = Late Report
Order Conditions = Order Conditions UAUTHDISC = Unauthorized Discharge
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
462644 Notice of Violation null 08/26/2025 Historical
462042 Notice of Violation null 07/29/2025 Historical
456144 Notice of Violation null 03/06/2024 Active
Total Enf Actions: 3
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
61046995 B Type compliance inspection Kathy Truong 08/04/2025 N 0 N/A
59013136 B Type compliance inspection Kristina Olmos 08/22/2024 N 0 N/A
39614099 B Type compliance inspection Kristina Olmos 03/03/2020 N 0 N/A
34990537 B Type compliance inspection Kristina Olmos 11/16/2018 N 0 N/A
18348097 B Type compliance inspection Tom Kukol 11/18/2014 N 0 N/A
10479741 B Type compliance inspection Tom Kukol 11/29/2012 N 0 N/A
6890557 B Type compliance inspection Tom Kukol 01/20/2012 N 0 N/A
3513451 B Type compliance inspection Tom Kukol 01/25/2011 N 0 N/A
2377424 B Type compliance inspection Tom Kukol 02/26/2010 N 0 N/A
1624623 B Type compliance inspection Tom Kukol 02/27/2009 Y 0 N/A
1379038 B Type compliance inspection Tom Kukol 05/23/2008 Y 0 N/A
449963 B Type compliance inspection Tom Kukol 02/03/2006 Y 0 N/A
336378 B Type compliance inspection Cecile Blancarte 10/28/2004 Y 0 N/A
330633 B Type compliance inspection Cecile Blancarte 06/30/2003 Y 0 N/A
291584 B Type compliance inspection Cecile Blancarte 05/03/2002 Y 0 N/A
291585 B Type compliance inspection Cecile Blancarte 11/06/2001 Y 0 N/A
291583 B Type compliance inspection Cecile Blancarte 01/26/2001 Y 0 N/A
291612 B Type compliance inspection Cecile Blancarte 09/20/2000 Y 0 N/A
291582 B Type compliance inspection Cecile Blancarte 02/25/2000 Y 0 N/A
291586 B Type compliance inspection Scott Phillips 04/30/1999 Y 0 N/A
291609 B Type compliance inspection Ron Sherer 06/24/1998 Y 0 N/A
291610 B Type compliance inspection Ron Sherer 12/16/1996 Y 0 N/A
291611 B Type compliance inspection Ron Sherer 08/30/1995 Y 0 N/A
291587 B Type compliance inspection Ron Sherer 04/25/1995 Y 0 N/A
291588 B Type compliance inspection Tom Kukol 12/12/1994 Y 0 N/A
Total Inspections: 25 Last Inspection: 08/04/2025
  
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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