AZ0403008 · Arizona

FLAGSTAFF CITY OF

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

Violation records shown: 65
EPA health-based flag: 0
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 64

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 65 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 536 days. The interval uses the reporting periods and dates on file.

Monitoring or reporting · Resolved
Report Sample Result/Fail Monitor (RTCR)Violation 11596 · Revised Total Coliform Rule · Revised Total Coliform Rule
Noncompliance period start July 1, 2025 · period end August 12, 2025 · first reported November 17, 2025 · EPA return-to-compliance field August 12, 2025

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
509 August 12, 2025 Informal State Violation/Reminder Notice
510 August 12, 2025 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring of Treatment (SWTR-Filter)Violation 11595 · Surface Water Treatment Rule · Surface Water Treatment Rule
Noncompliance period start June 1, 2025 · period end June 30, 2025 · first reported August 15, 2025 · EPA return-to-compliance field June 30, 2025

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
506 July 31, 2025 Informal State Violation/Reminder Notice
507 July 31, 2025 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 11592 · DICHLOROMETHANE · Volatile Organic Chemicals
Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported February 18, 2025 · EPA return-to-compliance field December 31, 2024

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
500 January 30, 2025 Resolving State Compliance achieved
505 January 30, 2025 Informal State Violation/Reminder Notice
Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 11496 · Chlorite · Stage 1 Disinfectants and Disinfection Byproducts Rule
Noncompliance period start July 1, 2023 · period end July 31, 2023 · first reported November 15, 2023 · EPA return-to-compliance field July 31, 2023

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
466 November 14, 2023 Informal State Violation/Reminder Notice
468 November 14, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 11493 · CARBON, TOTAL · Stage 1 Disinfectants and Disinfection Byproducts Rule
Noncompliance period start April 1, 2023 · period end June 30, 2023 · first reported August 14, 2023 · EPA return-to-compliance field June 30, 2023

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
490 August 10, 2023 Informal State Violation/Reminder Notice
489 May 22, 2024 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
509	August 12, 2025	Informal	State Violation/Reminder Notice
510	August 12, 2025	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
506	July 31, 2025	Informal	State Violation/Reminder Notice
507	July 31, 2025	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
500	January 30, 2025	Resolving	State Compliance achieved
505	January 30, 2025	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
466	November 14, 2023	Informal	State Violation/Reminder Notice
468	November 14, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
490	August 10, 2023	Informal	State Violation/Reminder Notice
489	May 22, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11554 · Styrene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11553 · Ethylbenzene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11552 · Toluene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11551 · Benzene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11550 · CHLOROBENZENE · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11549 · Tetrachloroethylene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11548 · 1,1,2-Trichloroethane · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11547 · Trichloroethylene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11546 · 1,2-Dichloropropane · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11545 · Carbon tetrachloride · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11544 · 1,1,1-Trichloroethane · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11543 · 1,2-Dichloroethane · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11542 · trans-1,2-Dichloroethylene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11541 · 1,1-Dichloroethylene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11540 · Vinyl chloride · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11539 · p-Dichlorobenzene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11538 · o-Dichlorobenzene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11537 · DICHLOROMETHANE · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11536 · Xylenes, Total · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11535 · cis-1,2-Dichloroethylene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11534 · 1,2,4-Trichlorobenzene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end June 20, 2024 · first reported March 29, 2024 · EPA return-to-compliance field June 20, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
475	February 9, 2024	Informal	State Violation/Reminder Notice
476	February 9, 2024	Informal	State Public Notification requested
488	June 12, 2024	Informal	State Public Notification received
492	June 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved
Monitoring, Turbidity (Enhanced SWTR)Violation 11449 · Interim Enhanced Surface Water Treatment Rule · Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Noncompliance period start August 1, 2022 · period end August 31, 2022 · first reported November 16, 2022 · EPA return-to-compliance field August 31, 2022

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
410 September 30, 2022 Resolving State Compliance achieved
418 September 30, 2022 Informal State Violation/Reminder Notice
Monitoring or reporting · Resolved
Monitoring of Treatment (SWTR-Filter)Violation 11447 · Surface Water Treatment Rule · Surface Water Treatment Rule
Noncompliance period start August 1, 2022 · period end August 31, 2022 · first reported November 16, 2022 · EPA return-to-compliance field August 31, 2022

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
416 September 29, 2022 Informal State Violation/Reminder Notice
410 September 30, 2022 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 11455 · CARBON, TOTAL · Stage 1 Disinfectants and Disinfection Byproducts Rule
Noncompliance period start July 1, 2022 · period end September 30, 2022 · first reported December 29, 2022 · EPA return-to-compliance field September 30, 2022

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
426 November 23, 2022 Informal State Violation/Reminder Notice
430 November 23, 2022 Resolving State Compliance achieved
Other or unclassified · Resolved
Consumer Confidence Report Complete Failure to ReportViolation 11440 · Consumer Confidence Rule · Consumer Confidence Rule
Noncompliance period start July 1, 2022 · period end July 12, 2022 · first reported November 16, 2022 · EPA return-to-compliance field July 12, 2022

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
391 July 12, 2022 Resolving State Compliance achieved
389 August 2, 2022 Informal State Violation/Reminder Notice
Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 11445 · CARBON, TOTAL · Stage 1 Disinfectants and Disinfection Byproducts Rule
Noncompliance period start April 1, 2022 · period end June 30, 2022 · first reported September 29, 2022 · EPA return-to-compliance field June 30, 2022

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
402 August 15, 2022 Resolving State Compliance achieved
403 August 18, 2022 Informal State Violation/Reminder Notice
Monitoring or reporting · Resolved
Monitoring, RegularViolation 11439 · Radium-228 · Radionuclides and Revised Rad 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 ID Date Category EPA action type
388 November 1, 2021 Resolving State Compliance achieved
386 November 18, 2021 Informal State Violation/Reminder Notice
Monitoring or reporting · Resolved
Monitoring, RegularViolation 11438 · Radium-226 · Radionuclides and Revised Rad 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 ID Date Category EPA action type
388 November 1, 2021 Resolving State Compliance achieved
386 November 18, 2021 Informal State Violation/Reminder Notice
Monitoring or reporting · Resolved
Monitoring, RegularViolation 11437 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad 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 ID Date Category EPA action type
388 November 1, 2021 Resolving State Compliance achieved
386 November 18, 2021 Informal State Violation/Reminder Notice
Monitoring or reporting · Resolved
Monitoring, RegularViolation 11436 · Combined Uranium · Radionuclides and Revised Rad 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 ID Date Category EPA action type
388 November 1, 2021 Resolving State Compliance achieved
386 November 18, 2021 Informal State Violation/Reminder Notice
Monitoring or reporting · Resolved
Monitoring, RegularViolation 11435 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad 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 ID Date Category EPA action type
388 November 1, 2021 Resolving State Compliance achieved
386 November 18, 2021 Informal State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
410	September 30, 2022	Resolving	State Compliance achieved
418	September 30, 2022	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
416	September 29, 2022	Informal	State Violation/Reminder Notice
410	September 30, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
426	November 23, 2022	Informal	State Violation/Reminder Notice
430	November 23, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
391	July 12, 2022	Resolving	State Compliance achieved
389	August 2, 2022	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
402	August 15, 2022	Resolving	State Compliance achieved
403	August 18, 2022	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
388	November 1, 2021	Resolving	State Compliance achieved
386	November 18, 2021	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
388	November 1, 2021	Resolving	State Compliance achieved
386	November 18, 2021	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
388	November 1, 2021	Resolving	State Compliance achieved
386	November 18, 2021	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
388	November 1, 2021	Resolving	State Compliance achieved
386	November 18, 2021	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
388	November 1, 2021	Resolving	State Compliance achieved
386	November 18, 2021	Informal	State Violation/Reminder Notice

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11532 · Chlordane · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11531 · ETHYLENE DIBROMIDE · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11530 · 1,2-DIBROMO-3-CHLOROPROPANE · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11522 · Pentachlorophenol · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11521 · Benzo(a)pyrene · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11520 · HEXACHLOROBENZENE · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11519 · 2,4,5-TP · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11518 · 2,4-D · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11517 · Heptachlor epoxide · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11516 · Heptachlor · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11515 · 2,3,7,8-TCDD · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11514 · LASSO · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11513 · Atrazine · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11512 · Carbofuran · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11511 · Hexachlorocyclopentadiene · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11510 · Dinoseb · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11509 · Picloram · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11508 · Di(2-ethylhexyl) phthalate · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11507 · Simazine · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11506 · OXAMYL · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11505 · Di(2-ethylhexyl) adipate · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11504 · Glyphosate · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11503 · Endothall · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11502 · Diquat · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11501 · Dalapon · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11500 · Toxaphene · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11499 · Methoxychlor · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11498 · BHC-GAMMA · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 11497 · Endrin · Synthetic Organic Chemicals

Noncompliance period start January 1, 2021 · period end December 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
472	February 2, 2024	Informal	State Violation/Reminder Notice
473	February 2, 2024	Informal	State Public Notification requested
487	June 17, 2024	Informal	State Public Notification received
493	August 20, 2024	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