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WY5601630 · Wyoming

BIG HORN REGIONAL JPB

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

Violation records shown
58
EPA health-based flag
0
Health-based records unresolved in this snapshot
0
Monitoring and reporting records
58

Counties listed by EPA · Washakie County, Wyoming

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 58 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 69 · Chlordane · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  2. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 68 · ETHYLENE DIBROMIDE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  3. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 67 · 1,2-DIBROMO-3-CHLOROPROPANE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  4. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 66 · Total Polychlorinated Biphenyls (PCB) · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  5. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 65 · Pentachlorophenol · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  6. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 64 · Benzo(a)pyrene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  7. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 63 · HEXACHLOROBENZENE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  8. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 62 · 2,4,5-TP · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  9. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 61 · 2,4-D · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  10. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 60 · Heptachlor epoxide · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  11. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 59 · Heptachlor · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  12. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 58 · LASSO · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  13. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 57 · Atrazine · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  14. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 56 · Carbofuran · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  15. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 55 · Hexachlorocyclopentadiene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  16. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 54 · Dinoseb · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  17. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 53 · Picloram · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  18. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 52 · Di(2-ethylhexyl) phthalate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  19. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 51 · Simazine · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  20. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 50 · OXAMYL · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  21. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 49 · Di(2-ethylhexyl) adipate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  22. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 48 · Glyphosate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  23. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 47 · Endothall · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  24. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 46 · Diquat · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  25. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 45 · Dalapon · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  26. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 44 · Toxaphene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  27. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 43 · Methoxychlor · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  28. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 42 · BHC-GAMMA · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  29. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 41 · Endrin · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  30. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 40 · Chlordane · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  31. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 39 · ETHYLENE DIBROMIDE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  32. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 38 · 1,2-DIBROMO-3-CHLOROPROPANE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  33. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 37 · Total Polychlorinated Biphenyls (PCB) · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  34. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 36 · Pentachlorophenol · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  35. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 35 · Benzo(a)pyrene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  36. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 34 · HEXACHLOROBENZENE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  37. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 33 · 2,4,5-TP · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  38. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 32 · 2,4-D · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  39. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 31 · Heptachlor epoxide · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  40. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 30 · Heptachlor · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  41. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 29 · LASSO · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  42. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 28 · Atrazine · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  43. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 27 · Carbofuran · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  44. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 26 · Hexachlorocyclopentadiene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  45. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 25 · Dinoseb · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  46. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 24 · Picloram · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  47. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 23 · Di(2-ethylhexyl) phthalate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  48. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 22 · Simazine · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  49. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 21 · OXAMYL · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  50. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 20 · Di(2-ethylhexyl) adipate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  51. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 19 · Glyphosate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  52. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 18 · Endothall · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  53. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 17 · Diquat · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  54. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 16 · Dalapon · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  55. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 15 · Toxaphene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  56. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 14 · Methoxychlor · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  57. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 13 · BHC-GAMMA · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState Compliance achieved

  58. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 12 · Endrin · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    9April 15, 2026ResolvingState 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.

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