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IA1967041 · Iowa

NASHUA WATER SUPPLY

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

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

Counties listed by EPA · Chickasaw County, Iowa

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 3,286 days. The interval uses the reporting periods and dates on file.

  1. Other or unclassified · Resolved

    Public Notification Violation for NPDWR ViolationViolation 193922 · Public Notice · Public Notice Rule and Revised PN Rule

    Noncompliance period start July 23, 2022 · period end September 12, 2022 · first reported December 7, 2022 · EPA return-to-compliance field September 12, 2022

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4104August 16, 2022InformalState Formal Notice of Violation issued
    4105August 16, 2022InformalState Intentional no-action
    4106August 16, 2022InformalState Violation/Reminder Notice
    4110September 12, 2022ResolvingState Compliance achieved

  2. Other or unclassified · Resolved

    Public Notification Violation for NPDWR ViolationViolation 193822 · Public Notice · Public Notice Rule and Revised PN Rule

    Noncompliance period start July 23, 2022 · period end August 26, 2022 · first reported December 7, 2022 · EPA return-to-compliance field August 26, 2022

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4101August 16, 2022InformalState Intentional no-action
    4102August 16, 2022InformalState Violation/Reminder Notice
    4103August 16, 2022InformalState Formal Notice of Violation issued
    4107August 26, 2022ResolvingState Compliance achieved

  3. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 97822 · Nitrate · Nitrate Rule

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

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4056April 19, 2022InformalState Formal Notice of Violation issued
    4057April 19, 2022InformalState Public Notification requested
    4058April 19, 2022ResolvingState Compliance achieved
    4098April 19, 2022InformalState Formal Notice of Violation issued
    4099April 19, 2022InformalState Public Notification requested
    4100April 19, 2022ResolvingState Compliance achieved
    4122September 12, 2022InformalState Public Notification received

  4. Monitoring or reporting · Resolved

    Monitoring, Routine (RTCR)Violation 97722 · Revised Total Coliform Rule · Revised Total Coliform Rule

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

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4020April 19, 2022InformalState Public Notification requested
    4021April 19, 2022InformalState Formal Notice of Violation issued
    4022April 19, 2022ResolvingState Compliance achieved
    4062April 19, 2022InformalState Public Notification requested
    4063April 19, 2022InformalState Formal Notice of Violation issued
    4064April 19, 2022ResolvingState Compliance achieved
    4108August 26, 2022InformalState Public Notification received

  5. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 114722 · Thallium, Total · Inorganic Chemicals

    Noncompliance period start April 1, 2013 · period end March 31, 2022 · first reported June 16, 2022 · EPA return-to-compliance field March 31, 2022

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4052April 19, 2022ResolvingState Compliance achieved
    4094April 19, 2022ResolvingState Compliance achieved
    4050May 18, 2022InformalState Formal Notice of Violation issued
    4051May 18, 2022InformalState Public Notification requested
    4092May 18, 2022InformalState Formal Notice of Violation issued
    4093May 18, 2022InformalState Public Notification requested
    4120September 12, 2022InformalState Public Notification received

  6. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 114622 · Selenium · Inorganic Chemicals

    Noncompliance period start April 1, 2013 · period end March 31, 2022 · first reported June 16, 2022 · EPA return-to-compliance field March 31, 2022

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4053April 19, 2022ResolvingState Compliance achieved
    4095April 19, 2022ResolvingState Compliance achieved
    4054May 18, 2022InformalState Public Notification requested
    4055May 18, 2022InformalState Formal Notice of Violation issued
    4096May 18, 2022InformalState Public Notification requested
    4097May 18, 2022InformalState Formal Notice of Violation issued
    4121September 12, 2022InformalState Public Notification received

  7. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 114522 · Mercury · Inorganic Chemicals

    Noncompliance period start April 1, 2013 · period end March 31, 2022 · first reported June 16, 2022 · EPA return-to-compliance field March 31, 2022

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4041April 19, 2022ResolvingState Compliance achieved
    4083April 19, 2022ResolvingState Compliance achieved
    4042May 18, 2022InformalState Formal Notice of Violation issued
    4043May 18, 2022InformalState Public Notification requested
    4084May 18, 2022InformalState Formal Notice of Violation issued
    4085May 18, 2022InformalState Public Notification requested
    4117September 12, 2022InformalState Public Notification received

  8. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 114422 · Fluoride · Inorganic Chemicals

    Noncompliance period start April 1, 2013 · period end March 31, 2022 · first reported June 16, 2022 · EPA return-to-compliance field March 31, 2022

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4038April 19, 2022ResolvingState Compliance achieved
    4080April 19, 2022ResolvingState Compliance achieved
    4039May 18, 2022InformalState Formal Notice of Violation issued
    4040May 18, 2022InformalState Public Notification requested
    4081May 18, 2022InformalState Formal Notice of Violation issued
    4082May 18, 2022InformalState Public Notification requested
    4116September 12, 2022InformalState Public Notification received

  9. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 114322 · Chromium · Inorganic Chemicals

    Noncompliance period start April 1, 2013 · period end March 31, 2022 · first reported June 16, 2022 · EPA return-to-compliance field March 31, 2022

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4032April 19, 2022ResolvingState Compliance achieved
    4074April 19, 2022ResolvingState Compliance achieved
    4033May 18, 2022InformalState Public Notification requested
    4034May 18, 2022InformalState Formal Notice of Violation issued
    4075May 18, 2022InformalState Public Notification requested
    4076May 18, 2022InformalState Formal Notice of Violation issued
    4114September 12, 2022InformalState Public Notification received

  10. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 114222 · Cadmium · Inorganic Chemicals

    Noncompliance period start April 1, 2013 · period end March 31, 2022 · first reported June 16, 2022 · EPA return-to-compliance field March 31, 2022

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4029April 19, 2022ResolvingState Compliance achieved
    4071April 19, 2022ResolvingState Compliance achieved
    4030May 18, 2022InformalState Formal Notice of Violation issued
    4031May 18, 2022InformalState Public Notification requested
    4072May 18, 2022InformalState Formal Notice of Violation issued
    4073May 18, 2022InformalState Public Notification requested
    4113September 12, 2022InformalState Public Notification received

  11. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 114122 · Barium · Inorganic Chemicals

    Noncompliance period start April 1, 2013 · period end March 31, 2022 · first reported June 16, 2022 · EPA return-to-compliance field March 31, 2022

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4028April 19, 2022ResolvingState Compliance achieved
    4070April 19, 2022ResolvingState Compliance achieved
    4026May 18, 2022InformalState Public Notification requested
    4027May 18, 2022InformalState Formal Notice of Violation issued
    4068May 18, 2022InformalState Public Notification requested
    4069May 18, 2022InformalState Formal Notice of Violation issued
    4112September 12, 2022InformalState Public Notification received

  12. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 114022 · Arsenic · Arsenic Rule

    Noncompliance period start April 1, 2013 · period end March 31, 2022 · first reported June 16, 2022 · EPA return-to-compliance field March 31, 2022

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4025April 19, 2022ResolvingState Compliance achieved
    4067April 19, 2022ResolvingState Compliance achieved
    4023May 18, 2022InformalState Formal Notice of Violation issued
    4024May 18, 2022InformalState Public Notification requested
    4065May 18, 2022InformalState Formal Notice of Violation issued
    4066May 18, 2022InformalState Public Notification requested
    4111September 12, 2022InformalState Public Notification received

  13. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 113922 · Antimony, Total · Inorganic Chemicals

    Noncompliance period start April 1, 2013 · period end March 31, 2022 · first reported June 16, 2022 · EPA return-to-compliance field March 31, 2022

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4044April 19, 2022ResolvingState Compliance achieved
    4086April 19, 2022ResolvingState Compliance achieved
    4045May 18, 2022InformalState Formal Notice of Violation issued
    4046May 18, 2022InformalState Public Notification requested
    4087May 18, 2022InformalState Formal Notice of Violation issued
    4088May 18, 2022InformalState Public Notification requested
    4118September 12, 2022InformalState Public Notification received

  14. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 113822 · CYANIDE · Inorganic Chemicals

    Noncompliance period start April 1, 2013 · period end March 31, 2022 · first reported June 16, 2022 · EPA return-to-compliance field March 31, 2022

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4037April 19, 2022ResolvingState Compliance achieved
    4079April 19, 2022ResolvingState Compliance achieved
    4035May 18, 2022InformalState Formal Notice of Violation issued
    4036May 18, 2022InformalState Public Notification requested
    4077May 18, 2022InformalState Formal Notice of Violation issued
    4078May 18, 2022InformalState Public Notification requested
    4115September 12, 2022InformalState Public Notification received

  15. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 113722 · Beryllium, Total · Inorganic Chemicals

    Noncompliance period start April 1, 2013 · period end March 31, 2022 · first reported June 16, 2022 · EPA return-to-compliance field March 31, 2022

    7 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4048April 19, 2022ResolvingState Compliance achieved
    4090April 19, 2022ResolvingState Compliance achieved
    4047May 18, 2022InformalState Formal Notice of Violation issued
    4049May 18, 2022InformalState Public Notification requested
    4089May 18, 2022InformalState Formal Notice of Violation issued
    4091May 18, 2022InformalState Public Notification requested
    4119September 12, 2022InformalState Public Notification received

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