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055294902 · Minnesota

UPPER SIOUX COMMUNITY

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

Violation records shown
47
EPA health-based flag
0
Health-based records unresolved in this snapshot
0
Monitoring and reporting records
47

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 47 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 1,095 days. The interval uses the reporting periods and dates on file.

  1. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 62 · Selenium · Inorganic Chemicals

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  2. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 61 · Asbestos · Inorganic Chemicals

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  3. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 60 · Thallium, Total · Inorganic Chemicals

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  4. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 59 · Beryllium, Total · Inorganic Chemicals

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  5. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 58 · Antimony, Total · Inorganic Chemicals

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  6. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 57 · Nickel · Inorganic Chemicals

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  7. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 56 · Mercury · Inorganic Chemicals

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  8. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 55 · Fluoride · Inorganic Chemicals

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  9. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 54 · CYANIDE · Inorganic Chemicals

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  10. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 53 · Chromium · Inorganic Chemicals

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  11. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 52 · Cadmium · Inorganic Chemicals

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  12. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 51 · Barium · Inorganic Chemicals

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  13. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 50 · Arsenic · Arsenic Rule

    Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported March 24, 2026 · EPA return-to-compliance field December 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    13March 6, 2025InformalFederal Violation/Reminder Notice
    14March 6, 2025InformalFederal Public Notification requested
    15April 16, 2025ResolvingFederal Compliance achieved
    16July 2, 2025InformalFederal Public Notification received from PWS
  14. Monitoring or reporting · Resolved

    Follow-up Or Routine LCR Tap M/RViolation 49 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start January 1, 2024 · period end November 4, 2024 · first reported March 24, 2026 · EPA return-to-compliance field November 4, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    11October 11, 2024InformalFederal Violation/Reminder Notice
    10November 4, 2024ResolvingFederal Compliance achieved
    12November 4, 2024InformalFederal Public Notification requested
    4November 4, 2024InformalFederal Public Notification received from PWS
  15. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 48 · Chlordane · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  16. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 47 · ETHYLENE DIBROMIDE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  17. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 46 · 1,2-DIBROMO-3-CHLOROPROPANE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  18. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 45 · Total Polychlorinated Biphenyls (PCB) · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  19. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 44 · Pentachlorophenol · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  20. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 43 · Benzo(a)pyrene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  21. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 42 · HEXACHLOROBENZENE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  22. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 41 · 2,4,5-TP · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  23. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 40 · 2,4-D · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  24. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 39 · Heptachlor epoxide · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  25. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 38 · Heptachlor · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  26. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 37 · 2,3,7,8-TCDD · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  27. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 36 · LASSO · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  28. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 35 · Atrazine · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  29. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 34 · Aldicarb · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  30. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 33 · Carbofuran · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  31. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 32 · Aldicarb sulfone · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  32. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 31 · Aldicarb sulfoxide · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  33. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 30 · Hexachlorocyclopentadiene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  34. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 29 · Dinoseb · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  35. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 28 · Picloram · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  36. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 27 · Di(2-ethylhexyl) phthalate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  37. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 26 · Simazine · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  38. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 25 · OXAMYL · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  39. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 24 · Di(2-ethylhexyl) adipate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  40. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 23 · Glyphosate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  41. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 22 · Endothall · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  42. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 21 · Diquat · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  43. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 20 · Dalapon · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  44. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 19 · Toxaphene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  45. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 18 · Methoxychlor · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  46. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 17 · BHC-GAMMA · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved
  47. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 16 · Endrin · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    8January 31, 2023InformalFederal Violation/Reminder Notice
    9January 31, 2023InformalFederal Public Notification requested
    10November 4, 2024ResolvingFederal Compliance achieved

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.

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