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055294701 · Minnesota

NAYTAHWAUSH

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

Violation records shown
15
EPA health-based flag
1
Health-based records unresolved in this snapshot
0
Monitoring and reporting records
13

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 15 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 363 days. The interval uses the reporting periods and dates on file.

  1. Other or unclassified · Resolved

    Public Notification Violation for NPDWR ViolationViolation 1006545 · Public Notice · Public Notice Rule and Revised PN Rule

    Noncompliance period start June 23, 2026 · period end June 30, 2026 · first reported September 18, 2026 · EPA return-to-compliance field June 30, 2026

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20280June 23, 2026InformalFederal Violation/Reminder Notice
    20281June 30, 2026ResolvingFederal Compliance achieved

  2. Monitoring or reporting · Resolved

    Initial, Follow-up, or Routine Source Water M/RViolation 1006543 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start July 1, 2025 · period end April 24, 2026 · first reported May 27, 2026 · EPA return-to-compliance field April 24, 2026

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20271April 6, 2026InformalFederal Violation/Reminder Notice
    20272April 6, 2026InformalFederal Public Notification requested
    20273April 24, 2026ResolvingFederal Compliance achieved

  3. EPA health-based flag · Resolved

    OCCT/SOWT Study/RecommendationViolation 1006542 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start July 1, 2025 · period end June 29, 2026 · first reported May 27, 2026 · EPA return-to-compliance field June 29, 2026

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20268April 6, 2026InformalFederal Violation/Reminder Notice
    20269April 6, 2026InformalFederal Public Notification requested
    20283May 28, 2026InformalFederal Public Notification received from PWS
    20282June 29, 2026ResolvingFederal Compliance achieved

  4. Monitoring or reporting · Resolved

    Follow-up Or Routine LCR Tap M/RViolation 1006544 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start January 1, 2025 · period end September 5, 2025 · first reported May 27, 2026 · EPA return-to-compliance field September 5, 2025

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20274July 30, 2025InformalFederal Violation/Reminder Notice
    20275September 5, 2025ResolvingFederal Compliance achieved

  5. Monitoring or reporting · Resolved

    Water Quality Parameter M/RViolation 1006541 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start January 1, 2025 · period end June 18, 2025 · first reported December 18, 2025 · EPA return-to-compliance field June 18, 2025

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20279June 18, 2025ResolvingFederal Compliance achieved
    20255December 1, 2025InformalFederal Violation/Reminder Notice
    20264December 1, 2025InformalFederal Public Notification requested
    20278June 18, 2026InformalFederal Public Notification received from PWS

  6. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 1006540 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start October 1, 2024 · period end October 31, 2024 · first reported March 17, 2025 · EPA return-to-compliance field October 31, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20257November 11, 2024InformalFederal Violation/Reminder Notice
    20259November 11, 2024ResolvingFederal Compliance achieved
    20258November 20, 2024InformalFederal Public Notification requested
    20266November 17, 2025InformalFederal Public Notification received from PWS

  7. Monitoring or reporting · Resolved

    Report Sample Result/Fail Monitor (RTCR)Violation 1006539 · Revised Total Coliform Rule · Revised Total Coliform Rule

    Noncompliance period start October 1, 2024 · period end November 11, 2024 · first reported March 17, 2025 · EPA return-to-compliance field November 11, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20260November 11, 2024ResolvingFederal Compliance achieved
    20256November 20, 2024InformalFederal Public Notification requested
    20265November 17, 2025InformalFederal Public Notification received from PWS
    20255December 1, 2025InformalFederal Violation/Reminder Notice

  8. Monitoring or reporting · Resolved

    Follow-up Or Routine LCR Tap M/RViolation 1006538 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start July 1, 2023 · period end August 11, 2023 · first reported December 1, 2023 · EPA return-to-compliance field August 11, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20247July 13, 2023InformalFederal Violation/Reminder Notice
    20248July 13, 2023InformalFederal Public Notification requested
    20250August 11, 2023ResolvingFederal Compliance achieved
    20262July 10, 2024InformalFederal Public Notification received from PWS

  9. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 1006537 · Nitrite · Nitrate Rule

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported March 29, 2023 · EPA return-to-compliance field December 31, 2022

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20244March 16, 2023InformalFederal Violation/Reminder Notice
    20245March 16, 2023InformalFederal Public Notification requested
    20246March 16, 2023ResolvingFederal Compliance achieved
    20267March 26, 2026InformalFederal Public Notification received from PWS

  10. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 1006536 · Nitrate · Nitrate Rule

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported March 29, 2023 · EPA return-to-compliance field December 31, 2022

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20244March 16, 2023InformalFederal Violation/Reminder Notice
    20245March 16, 2023InformalFederal Public Notification requested
    20246March 16, 2023ResolvingFederal Compliance achieved
    20267March 26, 2026InformalFederal Public Notification received from PWS

  11. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 1006535 · Nitrate-Nitrite · Nitrate Rule

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported March 29, 2023 · EPA return-to-compliance field December 31, 2022

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20244March 16, 2023InformalFederal Violation/Reminder Notice
    20245March 16, 2023InformalFederal Public Notification requested
    20246March 16, 2023ResolvingFederal Compliance achieved
    20267March 26, 2026InformalFederal Public Notification received from PWS

  12. Monitoring or reporting · Resolved

    Follow-up Or Routine LCR Tap M/RViolation 1006500 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start January 1, 2022 · period end January 27, 2023 · first reported March 6, 2023 · EPA return-to-compliance field January 27, 2023

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20251January 27, 2023ResolvingFederal Compliance achieved
    20238January 30, 2023InformalFederal Public Notification requested
    20239January 30, 2023InformalFederal Violation/Reminder Notice

  13. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 1006534 · Tetrachloroethylene · Volatile 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
    20242February 1, 2023InformalFederal Violation/Reminder Notice
    20243February 1, 2023InformalFederal Public Notification requested
    20261March 4, 2025ResolvingFederal Compliance achieved

  14. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 1006499 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2017 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20236January 10, 2023InformalFederal Violation/Reminder Notice
    20237January 13, 2023InformalFederal Public Notification requested
    20249July 20, 2023ResolvingFederal Compliance achieved
    20254March 29, 2024InformalFederal Public Notification received from PWS

  15. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 1006498 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2017 · period end December 31, 2022 · first reported March 6, 2023 · EPA return-to-compliance field December 31, 2022

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    20234January 10, 2023InformalFederal Violation/Reminder Notice
    20252January 11, 2023ResolvingFederal Compliance achieved
    20235January 13, 2023InformalFederal Public Notification requested
    20253March 29, 2024InformalFederal Public Notification received from PWS

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