090400090 · Arizona
Ak-Chin Village
Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 21
- EPA health-based flag
- 5
- Health-based records unresolved in this snapshot
- 1
- Monitoring and reporting records
- 15
Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.
Violations and what followed
Among 19 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 90 days. The interval uses the reporting periods and dates on file.
EPA health-based flag · Unaddressed by formal action
Treatment Technique No Certif. OperatorViolation 040009012040042026 · Stage 1 Disinfectants and Disinfection Byproducts Rule · Stage 1 Disinfectants and Disinfection Byproducts RuleNoncompliance period start April 1, 2026 · first reported September 30, 2026
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring of Treatment (SWTR-Filter)Violation 040009036020062026 · Surface Water Treatment Rule · Surface Water Treatment RuleNoncompliance period start June 1, 2026 · period end June 30, 2026 · first reported September 30, 2026 · EPA return-to-compliance field June 30, 2026
No linked action row appears in the records shown.EPA health-based flag · Resolved
Monthly Turbidity Exceed (Enhanced SWTR)Violation 0400090440100112025 · Interim Enhanced Surface Water Treatment Rule · Interim and Long Term 1 Enhanced Surface Water Treatment RuleNoncompliance period start November 1, 2025 · period end November 30, 2025 · first reported June 30, 2026 · EPA return-to-compliance field November 30, 2025
3 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX01092612554 January 9, 2026 Resolving Federal Compliance achieved 0400090IA06252612567 June 25, 2026 Informal Federal Violation/Reminder Notice 0400090IA06252612574 June 25, 2026 Informal Federal Violation/Reminder Notice Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 040009075750082024 · Public Notice · Public Notice Rule and Revised PN RuleNoncompliance period start August 1, 2024 · period end December 9, 2024 · first reported March 27, 2025 · EPA return-to-compliance field December 9, 2024
3 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX12092412029 December 9, 2024 Resolving Federal Compliance achieved 0400090IA04012512078 April 1, 2025 Informal Federal Violation/Reminder Notice 0400090IA04032512091 April 3, 2025 Informal Federal Violation/Reminder Notice Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 04000903A800082024 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start August 1, 2024 · period end August 31, 2024 · first reported December 18, 2024 · EPA return-to-compliance field August 31, 2024
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX09092411926 September 9, 2024 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Lead Consumer NoticeViolation 040009066500092023 · Lead and Copper Rule · Lead and Copper RuleNoncompliance period start September 21, 2023 · period end December 20, 2023 · first reported December 5, 2023 · EPA return-to-compliance field December 20, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX12202311608 December 20, 2023 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Monitoring, Routine (IDSE)Violation 040009030295072020 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts RuleNoncompliance period start July 1, 2020 · period end September 30, 2020 · first reported June 30, 2023 · EPA return-to-compliance field September 30, 2020
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX12022010566 December 2, 2020 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Monitoring, Routine (IDSE)Violation 040009030245672020 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts RuleNoncompliance period start July 1, 2020 · period end September 30, 2020 · first reported June 30, 2023 · EPA return-to-compliance field September 30, 2020
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX12022010567 December 2, 2020 Resolving Federal Compliance achieved EPA health-based flag · Resolved
Single Turbidity Exceed (Enhanced SWTR)Violation 040009043030072017 · Interim Enhanced Surface Water Treatment Rule · Interim and Long Term 1 Enhanced Surface Water Treatment RuleNoncompliance period start July 1, 2017 · period end July 31, 2017 · first reported March 27, 2025 · EPA return-to-compliance field July 31, 2017
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX04251891669 April 25, 2018 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 040009003401042013 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad RuleNoncompliance period start April 1, 2013 · period end June 30, 2013 · first reported June 30, 2023 · EPA return-to-compliance field June 30, 2013
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX02081474598 February 8, 2014 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 040009003400642013 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start April 1, 2013 · period end June 30, 2013 · first reported June 30, 2023 · EPA return-to-compliance field June 30, 2013
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX02081474599 February 8, 2014 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 040009003400612013 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start January 1, 2013 · period end March 31, 2013 · first reported June 30, 2023 · EPA return-to-compliance field March 31, 2013
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX08191373356 August 19, 2013 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Monitoring, Routine Minor (TCR)Violation 040009024310012012 · Coliform (TCR) · Total Coliform RuleNoncompliance period start January 1, 2012 · period end January 31, 2012 · first reported June 30, 2023 · EPA return-to-compliance field January 31, 2012
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX06111268439 June 11, 2012 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 0400090031040102011 · Nitrate · Nitrate RuleNoncompliance period start October 1, 2011 · period end December 31, 2011 · first reported June 30, 2023 · EPA return-to-compliance field December 31, 2011
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX06111268437 June 11, 2012 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 040009003104072011 · Nitrate · Nitrate RuleNoncompliance period start July 1, 2011 · period end September 30, 2011 · first reported June 30, 2023 · EPA return-to-compliance field September 30, 2011
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX06111268438 June 11, 2012 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 040009003104042010 · Nitrate · Nitrate RuleNoncompliance period start April 1, 2010 · period end June 30, 2010 · first reported June 30, 2023 · EPA return-to-compliance field June 30, 2010
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX11081056909 November 8, 2010 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 0400090031040102009 · Nitrate · Nitrate RuleNoncompliance period start October 1, 2009 · period end December 31, 2009 · first reported June 30, 2023 · EPA return-to-compliance field December 31, 2009
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX11081056908 November 8, 2010 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Monitoring, Routine Minor (TCR)Violation 040009024310072009 · Coliform (TCR) · Total Coliform RuleNoncompliance period start July 1, 2009 · period end July 31, 2009 · first reported June 30, 2023 · EPA return-to-compliance field July 31, 2009
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX08010950721 August 1, 2009 Resolving Federal Compliance achieved EPA health-based flag · Resolved
Maximum Contaminant Level Violation, Monthly (TCR)Violation 040009022310062009 · Coliform (TCR) · Total Coliform RuleNoncompliance period start June 1, 2009 · period end June 30, 2009 · first reported June 30, 2023 · EPA return-to-compliance field June 30, 2009
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX08010950720 August 1, 2009 Resolving Federal Compliance achieved EPA health-based flag · Resolved
Maximum Contaminant Level Violation, AverageViolation 040009002102512002 · Fluoride · Inorganic ChemicalsNoncompliance period start January 1, 2002 · period end December 31, 2002 · first reported September 19, 2022 · EPA return-to-compliance field December 31, 2002
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX022304398 February 23, 2004 Resolving Federal Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 040009003400012001 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad RuleNoncompliance period start January 1, 2001 · period end December 31, 2001 · first reported March 28, 2024 · EPA return-to-compliance field December 31, 2001
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0400090OX03260725863 March 26, 2007 Resolving Federal 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