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083090090 · Montana

TWO MEDICINE WATER - EAST GLACIER

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

Violation records shown
50
EPA health-based flag
5
Health-based records unresolved in this snapshot
1
Monitoring and reporting records
42

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 49 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. EPA health-based flag · Addressed by formal action

    Failure To Address DeficiencyViolation 58 · Long Term 2 Enhanced Surface Water Treatment Rule · Long Term 2 Enhanced Surface Water Treatment Rule

    Noncompliance period start December 9, 2022 · first reported November 15, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    46September 25, 2024FormalFederal Final Administrative Order issued

  2. EPA health-based flag · Resolved

    Monthly Turbidity Exceed (Enhanced SWTR)Violation 65 · Interim Enhanced Surface Water Treatment Rule · Interim and Long Term 1 Enhanced Surface Water Treatment Rule

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

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    59March 10, 2026ResolvingState Compliance achieved

  3. EPA health-based flag · Resolved

    Single Turbidity Exceed (Enhanced SWTR)Violation 64 · Interim Enhanced Surface Water Treatment Rule · Interim and Long Term 1 Enhanced Surface Water Treatment Rule

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

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    59March 10, 2026ResolvingState Compliance achieved

  4. EPA health-based flag · Resolved

    Single Turbidity Exceed (Enhanced SWTR)Violation 63 · Interim Enhanced Surface Water Treatment Rule · Interim and Long Term 1 Enhanced Surface Water Treatment Rule

    Noncompliance period start December 1, 2025 · period end December 31, 2025 · first reported March 2, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    59March 10, 2026ResolvingState Compliance achieved

  5. EPA health-based flag · Resolved

    Monthly Turbidity Exceed (Enhanced SWTR)Violation 62 · Interim Enhanced Surface Water Treatment Rule · Interim and Long Term 1 Enhanced Surface Water Treatment Rule

    Noncompliance period start December 1, 2025 · period end December 31, 2025 · first reported March 2, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    59March 10, 2026ResolvingState Compliance achieved

  6. Other or unclassified · Resolved

    Consumer Confidence Report Inadequate ReportingViolation 59 · Consumer Confidence Rule · Consumer Confidence Rule

    Noncompliance period start October 1, 2023 · period end December 6, 2023 · first reported February 22, 2024 · EPA return-to-compliance field December 6, 2023

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    40November 8, 2023InformalState Violation/Reminder Notice
    41December 6, 2023ResolvingState Compliance achieved

  7. Other or unclassified · Resolved

    Consumer Confidence Report Complete Failure to ReportViolation 16 · Consumer Confidence Rule · Consumer Confidence Rule

    Noncompliance period start July 1, 2022 · period end April 4, 2024 · first reported November 16, 2022 · EPA return-to-compliance field April 4, 2024

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    31October 25, 2022InformalState Violation/Reminder Notice
    44April 4, 2024ResolvingState Compliance achieved

  8. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 57 · Chromium · Inorganic Chemicals

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    37June 20, 2023ResolvingState Compliance achieved

  9. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 56 · Nickel · Inorganic Chemicals

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    37June 20, 2023ResolvingState Compliance achieved

  10. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 55 · Barium · Inorganic Chemicals

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    37June 20, 2023ResolvingState Compliance achieved

  11. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 54 · Fluoride · Inorganic Chemicals

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    37June 20, 2023ResolvingState Compliance achieved

  12. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 52 · Beryllium, Total · Inorganic Chemicals

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    37June 20, 2023ResolvingState Compliance achieved

  13. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 51 · Arsenic · Arsenic Rule

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    37June 20, 2023ResolvingState Compliance achieved

  14. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 50 · Cadmium · Inorganic Chemicals

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    37June 20, 2023ResolvingState Compliance achieved

  15. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 49 · Thallium, Total · Inorganic Chemicals

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    37June 20, 2023ResolvingState Compliance achieved

  16. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 48 · Selenium · Inorganic Chemicals

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    37June 20, 2023ResolvingState Compliance achieved

  17. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 47 · Antimony, Total · Inorganic Chemicals

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    37June 20, 2023ResolvingState Compliance achieved

  18. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 46 · Mercury · Inorganic Chemicals

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    37June 20, 2023ResolvingState Compliance achieved

  19. Monitoring or reporting · Resolved

    Lead Consumer NoticeViolation 15 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start December 30, 2021 · period end August 29, 2022 · first reported March 15, 2022 · EPA return-to-compliance field August 29, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    30August 29, 2022ResolvingState Compliance achieved

  20. Other or unclassified · Resolved

    Record KeepingViolation 13 · Interim Enhanced Surface Water Treatment Rule · Interim and Long Term 1 Enhanced Surface Water Treatment Rule

    Noncompliance period start December 22, 2020 · period end May 4, 2023 · first reported February 11, 2021 · EPA return-to-compliance field May 4, 2023

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    25December 22, 2020InformalState Violation/Reminder Notice
    32May 4, 2023ResolvingState Compliance achieved

  21. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 45 · Carbofuran · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    42December 4, 2023ResolvingState Compliance achieved

  22. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 44 · Di(2-ethylhexyl) adipate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  23. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 43 · HEXACHLOROBENZENE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  24. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 42 · Diquat · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    42December 4, 2023ResolvingState Compliance achieved

  25. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 41 · Endothall · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    42December 4, 2023ResolvingState Compliance achieved

  26. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 40 · Di(2-ethylhexyl) phthalate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  27. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 39 · BHC-GAMMA · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  28. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 38 · Picloram · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    43December 12, 2023ResolvingState Compliance achieved

  29. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 37 · LASSO · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  30. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 36 · 2,4-D · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    43December 12, 2023ResolvingState Compliance achieved

  31. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 35 · 1,2-DIBROMO-3-CHLOROPROPANE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    42December 4, 2023ResolvingState Compliance achieved

  32. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 34 · OXAMYL · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    42December 4, 2023ResolvingState Compliance achieved

  33. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 33 · Atrazine · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  34. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 32 · Toxaphene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  35. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 31 · Heptachlor epoxide · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  36. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 30 · Benzo(a)pyrene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  37. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 29 · Methoxychlor · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  38. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 28 · Dinoseb · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    43December 12, 2023ResolvingState Compliance achieved

  39. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 27 · Hexachlorocyclopentadiene · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  40. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 26 · Dalapon · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    43December 12, 2023ResolvingState Compliance achieved

  41. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 25 · Glyphosate · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    42December 4, 2023ResolvingState Compliance achieved

  42. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 24 · Heptachlor · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  43. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 23 · Total Polychlorinated Biphenyls (PCB) · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  44. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 22 · Chlordane · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  45. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 21 · Endrin · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  46. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 20 · Simazine · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    45June 24, 2024ResolvingState Compliance achieved

  47. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 19 · 2,4,5-TP · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    43December 12, 2023ResolvingState Compliance achieved

  48. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 18 · Pentachlorophenol · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    43December 12, 2023ResolvingState Compliance achieved

  49. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 17 · ETHYLENE DIBROMIDE · Synthetic Organic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported June 26, 2023 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    42December 4, 2023ResolvingState Compliance achieved

  50. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 14 · Nitrate-Nitrite · Nitrate Rule

    Noncompliance period start January 1, 2020 · period end December 31, 2020 · first reported March 31, 2021 · EPA return-to-compliance field December 31, 2020

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    28February 22, 2021ResolvingState 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