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WI4690403 · Wisconsin

WEYAUWEGA WATERWORKS

Federal fiscal 2026Q3 · EPA violation and follow-up records

Violation records shown
46
EPA health-based flag
0
Health-based records unresolved in this snapshot
0
Monitoring and reporting records
46

Counties listed by EPA · Waupaca County, Wisconsin

Open the EPA system record

Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.

Violations and what followed

Among 46 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 364 days. The interval uses the reporting periods and dates on file.

  1. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400081 · Chlordane · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  2. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400080 · Pentachlorophenol · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  3. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400079 · HEXACHLOROBENZENE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  4. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400078 · 2,4,5-TP · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  5. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400077 · 2,4-D · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  6. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400076 · Heptachlor epoxide · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  7. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400075 · Heptachlor · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  8. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400074 · LASSO · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  9. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400073 · Atrazine · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  10. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400072 · Carbofuran · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  11. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400071 · Hexachlorocyclopentadiene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  12. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400070 · Dinoseb · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  13. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400069 · Picloram · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  14. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400068 · Simazine · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  15. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400067 · OXAMYL · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  16. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400066 · Glyphosate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  17. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400065 · Endothall · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  18. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400064 · Diquat · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  19. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400063 · Dalapon · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  20. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400062 · Toxaphene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  21. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400061 · Methoxychlor · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  22. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400060 · BHC-GAMMA · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  23. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400059 · Endrin · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400028November 28, 2023InformalState Violation/Reminder Notice
    2400029November 28, 2023InformalState Public Notification requested
    2600037May 8, 2024ResolvingState Compliance achieved
    2400032June 28, 2024InformalState Public Notification received

  24. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400058 · Pentachlorophenol · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  25. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400057 · BHC-GAMMA · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  26. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400056 · Methoxychlor · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  27. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400055 · Toxaphene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  28. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400054 · Dalapon · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  29. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400053 · Diquat · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  30. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400052 · Endothall · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  31. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400051 · Glyphosate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  32. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400050 · OXAMYL · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  33. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400049 · Simazine · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  34. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400048 · Picloram · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  35. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400047 · Dinoseb · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  36. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400046 · Hexachlorocyclopentadiene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  37. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400045 · Carbofuran · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  38. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400044 · Atrazine · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  39. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400043 · LASSO · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  40. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400042 · Heptachlor · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  41. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400041 · Heptachlor epoxide · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  42. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400040 · 2,4-D · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  43. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400039 · 2,4,5-TP · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  44. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400038 · HEXACHLOROBENZENE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  45. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400037 · Chlordane · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

  46. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 2400036 · Endrin · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported August 28, 2025 · EPA return-to-compliance field December 31, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    2400030November 28, 2023InformalState Violation/Reminder Notice
    2400031November 28, 2023InformalState Public Notification requested
    2500036March 14, 2024ResolvingState Compliance achieved
    2400033June 28, 2024InformalState Public Notification received

EPA data and scope

How to read the records

The enforcement snapshot is federal fiscal 2026Q3. The EPA archive labels its violation file October 13, 2026. EPA says federal reporting can lag by several months. For current advisories, check your utility or local drinking-water authority.

EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility