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AZ0409001 · Arizona

SUN VALLEY UTILITIES

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

Violation records shown
37
EPA health-based flag
4
Health-based records unresolved in this snapshot
1
Monitoring and reporting records
26

Counties listed by EPA · Navajo County, Arizona

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 34 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 91 days. The interval uses the reporting periods and dates on file.

  1. EPA health-based flag · Unaddressed by formal action

    Failure To Address DeficiencyViolation 10758 · Groundwater Rule · Ground Water Rule

    Noncompliance period start December 12, 2018 · first reported May 14, 2026

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5173May 8, 2026InformalState Violation/Reminder Notice
    5174May 8, 2026InformalState Public Notification requested
  2. Monitoring or reporting · Unaddressed by formal action

    Lead Consumer NoticeViolation 10757 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start January 1, 2026 · first reported May 14, 2026

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5168March 13, 2026InformalState Violation/Reminder Notice
  3. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10754 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start October 1, 2025 · period end October 31, 2025 · first reported February 13, 2026 · EPA return-to-compliance field October 31, 2025

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5155January 16, 2026InformalState Violation/Reminder Notice
    5156January 16, 2026InformalState Public Notification requested
    5170April 10, 2026ResolvingState Compliance achieved
  4. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10752 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start October 1, 2025 · period end December 31, 2025 · first reported February 13, 2026 · EPA return-to-compliance field December 31, 2025

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5152January 16, 2026InformalState Violation/Reminder Notice
    5153January 16, 2026ResolvingState Compliance achieved
  5. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10751 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start October 1, 2025 · period end December 31, 2025 · first reported February 13, 2026 · EPA return-to-compliance field December 31, 2025

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5152January 16, 2026InformalState Violation/Reminder Notice
    5153January 16, 2026ResolvingState Compliance achieved
  6. Monitoring or reporting · Unaddressed by formal action

    Notification, Known or Potential LSLViolation 10756 · LEAD AND COPPER RULE REVISIONS · Lead and Copper Rule Revisions

    Noncompliance period start July 2, 2025 · first reported February 13, 2026

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5162January 22, 2026InformalState Violation/Reminder Notice
  7. Other or unclassified · Resolved

    Consumer Confidence Report Complete Failure to ReportViolation 10750 · Consumer Confidence Rule · Consumer Confidence Rule

    Noncompliance period start July 1, 2025 · period end October 21, 2025 · first reported November 17, 2025 · EPA return-to-compliance field October 21, 2025

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5149October 21, 2025InformalState Violation/Reminder Notice
    5150October 21, 2025ResolvingState Compliance achieved
  8. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 10749 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start April 1, 2025 · period end June 30, 2025 · first reported August 15, 2025 · EPA return-to-compliance field June 30, 2025

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5145May 15, 2025InformalState Violation/Reminder Notice
    5146May 15, 2025InformalState Public Notification requested
    5148May 28, 2025InformalState Public Notification received
    5164January 22, 2026ResolvingState Compliance achieved
  9. Monitoring or reporting · Resolved

    Report Sample Result/Fail Monitor (RTCR)Violation 10748 · Revised Total Coliform Rule · Revised Total Coliform Rule

    Noncompliance period start December 1, 2024 · period end April 21, 2025 · first reported May 13, 2025 · EPA return-to-compliance field April 21, 2025

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5136April 21, 2025InformalState Violation/Reminder Notice
    5137April 21, 2025ResolvingState Compliance achieved
  10. Other or unclassified · Resolved

    Public Notification Violation for NPDWR ViolationViolation 10746 · Public Notice · Public Notice Rule and Revised PN Rule

    Noncompliance period start February 16, 2024 · period end June 13, 2024 · first reported May 15, 2024 · EPA return-to-compliance field June 13, 2024

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5122March 22, 2024InformalState Violation/Reminder Notice
    5129June 13, 2024ResolvingState Compliance achieved
  11. Other or unclassified · Resolved

    Public Notification Violation for NPDWR ViolationViolation 10743 · Public Notice · Public Notice Rule and Revised PN Rule

    Noncompliance period start May 21, 2023 · period end June 13, 2024 · first reported August 14, 2023 · EPA return-to-compliance field June 13, 2024

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5114June 20, 2023InformalState Violation/Reminder Notice
    5127June 13, 2024ResolvingState Compliance achieved
  12. Other or unclassified · Resolved

    Public Notification Violation for NPDWR ViolationViolation 10742 · Public Notice · Public Notice Rule and Revised PN Rule

    Noncompliance period start April 27, 2023 · period end June 5, 2023 · first reported August 14, 2023 · EPA return-to-compliance field June 5, 2023

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5110May 15, 2023InformalState Violation/Reminder Notice
    5112June 5, 2023ResolvingState Compliance achieved
  13. Monitoring or reporting · Resolved

    Lead Consumer NoticeViolation 10741 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start January 1, 2023 · period end April 3, 2024 · first reported May 15, 2023 · EPA return-to-compliance field April 3, 2024

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5108February 16, 2023InformalState Violation/Reminder Notice
    5124April 3, 2024ResolvingState Compliance achieved
  14. Monitoring or reporting · Resolved

    Failure Submit IDSE/Subpart V Plan RptViolation 10740 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start December 30, 2022 · period end April 3, 2024 · first reported May 15, 2023 · EPA return-to-compliance field April 3, 2024

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5104February 15, 2023InformalState Violation/Reminder Notice
    5105February 15, 2023InformalState Public Notification requested
    5125April 3, 2024ResolvingState Compliance achieved
  15. Other or unclassified · Resolved

    Consumer Confidence Report Inadequate ReportingViolation 10737 · Consumer Confidence Rule · Consumer Confidence Rule

    Noncompliance period start October 2, 2022 · period end November 4, 2022 · first reported February 15, 2023 · EPA return-to-compliance field November 4, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5095October 24, 2022InformalState Violation/Reminder Notice
    5097November 4, 2022ResolvingState Compliance achieved
  16. Monitoring or reporting · Resolved

    Follow-up Or Routine LCR Tap M/RViolation 10739 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start October 1, 2022 · period end June 5, 2023 · first reported February 15, 2023 · EPA return-to-compliance field June 5, 2023

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5101November 16, 2022InformalState Violation/Reminder Notice
    5113June 5, 2023ResolvingState Compliance achieved
  17. Other or unclassified · Resolved

    Public Notification Violation for NPDWR ViolationViolation 10735 · Public Notice · Public Notice Rule and Revised PN Rule

    Noncompliance period start May 25, 2022 · period end August 4, 2022 · first reported August 15, 2022 · EPA return-to-compliance field August 4, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5092June 15, 2022InformalState Violation/Reminder Notice
    5094August 4, 2022ResolvingState Compliance achieved
  18. Monitoring or reporting · Resolved

    Failure Submit IDSE/Subpart V Plan RptViolation 10732 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start April 1, 2022 · period end April 3, 2024 · first reported August 15, 2022 · EPA return-to-compliance field April 3, 2024

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5087May 20, 2022InformalState Violation/Reminder Notice
    5126April 3, 2024ResolvingState Compliance achieved
  19. Monitoring or reporting · Resolved

    Report Sample Result/Fail Monitor (RTCR)Violation 10731 · Revised Total Coliform Rule · Revised Total Coliform Rule

    Noncompliance period start March 1, 2022 · period end May 16, 2022 · first reported May 16, 2022 · EPA return-to-compliance field May 16, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5083April 26, 2022InformalState Violation/Reminder Notice
    5086May 16, 2022ResolvingState Compliance achieved
  20. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 10738 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported November 16, 2022 · EPA return-to-compliance field March 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5098November 7, 2022InformalState Violation/Reminder Notice
    5099November 7, 2022InformalState Public Notification requested
    5107February 27, 2023ResolvingState Compliance achieved
  21. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10734 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start November 1, 2021 · period end January 31, 2022 · first reported August 15, 2022 · EPA return-to-compliance field January 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5089May 20, 2022InformalState Violation/Reminder Notice
    5090May 20, 2022InformalState Public Notification requested
    5116August 24, 2023ResolvingState Compliance achieved
  22. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10733 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start November 1, 2021 · period end January 31, 2022 · first reported August 15, 2022 · EPA return-to-compliance field January 31, 2022

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5089May 20, 2022InformalState Violation/Reminder Notice
    5090May 20, 2022InformalState Public Notification requested
    5116August 24, 2023ResolvingState Compliance achieved
  23. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 10730 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start October 1, 2021 · period end December 31, 2021 · first reported February 16, 2022 · EPA return-to-compliance field December 31, 2021

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5080December 28, 2021InformalState Violation/Reminder Notice
    5081December 28, 2021InformalState Public Notification requested
    5107February 27, 2023ResolvingState Compliance achieved
  24. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10729 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start July 1, 2021 · period end September 30, 2021 · first reported February 16, 2022 · EPA return-to-compliance field September 30, 2021

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5077December 7, 2021InformalState Violation/Reminder Notice
    5079December 7, 2021ResolvingState Compliance achieved
  25. Other or unclassified · Resolved

    Consumer Confidence Report Complete Failure to ReportViolation 10719 · Consumer Confidence Rule · Consumer Confidence Rule

    Noncompliance period start July 1, 2021 · period end September 27, 2021 · first reported November 10, 2021 · EPA return-to-compliance field September 27, 2021

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5055July 30, 2021InformalState Violation/Reminder Notice
    5069September 27, 2021ResolvingState Compliance achieved
  26. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10726 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start May 1, 2021 · period end July 31, 2021 · first reported February 16, 2022 · EPA return-to-compliance field July 31, 2021

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5070November 23, 2021InformalState Violation/Reminder Notice
    5071November 23, 2021InformalState Public Notification requested
    5116August 24, 2023ResolvingState Compliance achieved
  27. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10725 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start May 1, 2021 · period end July 31, 2021 · first reported February 16, 2022 · EPA return-to-compliance field July 31, 2021

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5070November 23, 2021InformalState Violation/Reminder Notice
    5071November 23, 2021InformalState Public Notification requested
    5116August 24, 2023ResolvingState Compliance achieved
  28. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10720 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start April 1, 2021 · period end June 30, 2021 · first reported November 10, 2021 · EPA return-to-compliance field June 30, 2021

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5064July 15, 2021ResolvingState Compliance achieved
    5062August 16, 2021InformalState Violation/Reminder Notice
  29. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10724 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start February 1, 2021 · period end April 30, 2021 · first reported November 10, 2021 · EPA return-to-compliance field April 30, 2021

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5065August 18, 2021InformalState Violation/Reminder Notice
    5066August 18, 2021InformalState Public Notification requested
    5116August 24, 2023ResolvingState Compliance achieved
  30. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10723 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start February 1, 2021 · period end April 30, 2021 · first reported November 10, 2021 · EPA return-to-compliance field April 30, 2021

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5065August 18, 2021InformalState Violation/Reminder Notice
    5066August 18, 2021InformalState Public Notification requested
    5116August 24, 2023ResolvingState Compliance achieved
  31. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10718 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start November 1, 2020 · period end January 31, 2021 · first reported August 12, 2021 · EPA return-to-compliance field January 31, 2021

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5051May 24, 2021InformalState Violation/Reminder Notice
    5052May 24, 2021InformalState Public Notification requested
    5116August 24, 2023ResolvingState Compliance achieved
  32. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10717 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start November 1, 2020 · period end January 31, 2021 · first reported August 12, 2021 · EPA return-to-compliance field January 31, 2021

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5051May 24, 2021InformalState Violation/Reminder Notice
    5052May 24, 2021InformalState Public Notification requested
    5116August 24, 2023ResolvingState Compliance achieved
  33. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10716 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start October 1, 2020 · period end December 31, 2020 · first reported February 12, 2021 · EPA return-to-compliance field December 31, 2020

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5117February 11, 2021InformalState Violation/Reminder Notice
    5116August 24, 2023ResolvingState Compliance achieved
  34. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10715 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start October 1, 2020 · period end December 31, 2020 · first reported February 12, 2021 · EPA return-to-compliance field December 31, 2020

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5117February 11, 2021InformalState Violation/Reminder Notice
    5116August 24, 2023ResolvingState Compliance achieved
  35. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10712 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start October 1, 2020 · period end December 31, 2020 · first reported February 12, 2021 · EPA return-to-compliance field December 31, 2020

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5050January 25, 2021ResolvingState Compliance achieved
    5048February 11, 2021InformalState Violation/Reminder Notice
  36. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 10709 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start July 1, 2020 · period end September 30, 2020 · first reported February 2, 2021 · EPA return-to-compliance field September 30, 2020

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    5040November 19, 2020ResolvingState Compliance achieved
    5038November 23, 2020InformalState Violation/Reminder Notice
  37. Monitoring or reporting · Resolved

    Lead Consumer NoticeViolation 10669 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start November 3, 2017 · period end April 3, 2024 · first reported February 16, 2018 · EPA return-to-compliance field April 3, 2024

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4955January 17, 2018InformalState Violation/Reminder Notice
    5124April 3, 2024ResolvingState 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