AZ0403017 · Arizona
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Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 8
- EPA health-based flag
- 2
- Health-based records unresolved in this snapshot
- 0
- Monitoring and reporting records
- 5
Counties listed by EPA · Coconino County, Arizona
Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.
Violations and what followed
Among 7 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 30 days. The interval uses the reporting periods and dates on file.
Other or unclassified · Unaddressed by formal action
Public Notification Violation for NPDWR ViolationViolation 10530 · Public Notice · Public Notice Rule and Revised PN RuleNoncompliance period start June 6, 2026 · first reported August 14, 2026
No linked action row appears in the records shown.Monitoring or reporting · Resolved
Monitoring, Turbidity (Enhanced SWTR)Violation 10528 · Interim Enhanced Surface Water Treatment Rule · Interim and Long Term 1 Enhanced Surface Water Treatment RuleNoncompliance period start August 1, 2023 · period end August 31, 2023 · first reported November 15, 2023 · EPA return-to-compliance field August 31, 2023
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 3961 September 26, 2023 Informal State Violation/Reminder Notice 3963 September 26, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring of Treatment (SWTR-Filter)Violation 10527 · Surface Water Treatment Rule · Surface Water Treatment RuleNoncompliance period start August 1, 2023 · period end August 31, 2023 · first reported November 15, 2023 · EPA return-to-compliance field August 31, 2023
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 3958 September 26, 2023 Informal State Violation/Reminder Notice 3960 September 26, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring of Treatment (SWTR-Filter)Violation 10525 · Surface Water Treatment Rule · Surface Water Treatment RuleNoncompliance period start May 1, 2023 · period end May 31, 2023 · first reported August 14, 2023 · EPA return-to-compliance field May 31, 2023
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 3965 June 30, 2023 Informal State Violation/Reminder Notice 3964 December 14, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, Turbidity (Enhanced SWTR)Violation 10523 · Interim Enhanced Surface Water Treatment Rule · Interim and Long Term 1 Enhanced Surface Water Treatment RuleNoncompliance period start May 1, 2023 · period end May 31, 2023 · first reported August 14, 2023 · EPA return-to-compliance field May 31, 2023
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 3967 June 30, 2023 Informal State Violation/Reminder Notice 3964 December 14, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 10522 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start April 1, 2023 · period end April 30, 2023 · first reported August 14, 2023 · EPA return-to-compliance field April 30, 2023
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 3945 June 2, 2023 Informal State Violation/Reminder Notice 3947 June 2, 2023 Resolving State Compliance achieved EPA health-based flag · Resolved
Treatment Technique, Level 1 Assessment (RTCR)Violation 10529 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start December 18, 2022 · period end December 27, 2022 · first reported May 14, 2026 · EPA return-to-compliance field December 27, 2022
3 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 3972 December 27, 2022 Resolving State Compliance achieved 3969 May 6, 2026 Informal State Violation/Reminder Notice 3970 May 6, 2026 Informal State Public Notification requested EPA health-based flag · Resolved
Maximum Contaminant Level Violation, AverageViolation 10521 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts RuleNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported May 17, 2021 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 3940 April 7, 2021 Informal State Violation/Reminder Notice 3941 April 7, 2021 Informal State Public Notification requested 3942 May 7, 2021 Informal State Public Notification received 3944 June 23, 2021 Resolving State 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.
- We matched active community water systems by public water system ID between EPA’s system search and SDWIS inventory. We show violations with a recorded noncompliance, initial reporting or return-to-compliance date from 2021 onward, plus earlier records listed as Addressed or Unaddressed.
- EPA’s health-based flag identifies violations of contaminant or disinfectant limits or treatment requirements. Monitoring and reporting violations describe required tests or reports. Neither category measures household exposure.
- Addressed means EPA records formal enforcement on a violation that remains unresolved in the snapshot. Unaddressed means no formal action is recorded for an unresolved violation. Resolved can mean compliance was restored, the rule ceased to apply, or further action was unnecessary. Archived is a separate status.
- We count a violation once per water system and group its distinct linked actions. Conflicting records are set aside. Places are EPA-listed search locations and can include mailing locations. Use the provider name and system ID to identify your service.
EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility