IA7812079 · Iowa

CARTER LAKE WATER DISTRICT

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

Violation records shown: 9
EPA health-based flag: 0
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 7

Counties listed by EPA · Pottawattamie County, Iowa

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.

Monitoring or reporting · Resolved

Monitoring, RegularViolation 16324 · Nitrite · Nitrate Rule

Noncompliance period start October 1, 2022 · period end September 30, 2023 · first reported November 16, 2023 · EPA return-to-compliance field September 30, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
865	October 19, 2023	Informal	State Public Notification requested
866	October 19, 2023	Informal	State Formal Notice of Violation issued
867	November 13, 2023	Informal	State Public Notification received
868	July 16, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 189022 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start June 1, 2022 · period end June 30, 2022 · first reported September 8, 2022 · EPA return-to-compliance field June 30, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
858	August 18, 2022	Informal	State Formal Notice of Violation issued
859	August 18, 2022	Informal	State Public Notification requested
863	September 21, 2022	Resolving	State Compliance achieved
862	October 24, 2022	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 188922 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start June 1, 2022 · period end June 30, 2022 · first reported September 8, 2022 · EPA return-to-compliance field June 30, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
856	August 18, 2022	Informal	State Public Notification requested
857	August 18, 2022	Informal	State Formal Notice of Violation issued
861	September 21, 2022	Resolving	State Compliance achieved
860	October 24, 2022	Informal	State Public Notification received

Other or unclassified · Unaddressed by formal action

Public Notification Violation for NPDWR ViolationViolation 140622 · Public Notice · Public Notice Rule and Revised PN Rule

Noncompliance period start May 22, 2022 · first reported September 8, 2022

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
853	July 14, 2022	Informal	State Intentional no-action
854	July 14, 2022	Informal	State Formal Notice of Violation issued
855	July 14, 2022	Informal	State Violation/Reminder Notice

Other or unclassified · Unaddressed by formal action

Public Notification Violation for NPDWR ViolationViolation 140522 · Public Notice · Public Notice Rule and Revised PN Rule

Noncompliance period start May 22, 2022 · first reported September 8, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
850	July 14, 2022	Informal	State Formal Notice of Violation issued
851	July 14, 2022	Informal	State Violation/Reminder Notice
852	July 14, 2022	Informal	State Intentional no-action
864	April 20, 2023	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 78722 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start December 1, 2021 · period end December 31, 2021 · first reported March 3, 2022 · EPA return-to-compliance field December 31, 2021

5 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
840	February 25, 2022	Informal	State Public Notification requested
841	February 25, 2022	Informal	State Formal Notice of Violation issued
846	March 15, 2022	Resolving	State Compliance achieved
848	March 15, 2022	Resolving	State Compliance achieved
844	March 18, 2022	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 78622 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start December 1, 2021 · period end December 31, 2021 · first reported March 3, 2022 · EPA return-to-compliance field December 31, 2021

5 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
842	February 25, 2022	Informal	State Public Notification requested
843	February 25, 2022	Informal	State Formal Notice of Violation issued
847	March 15, 2022	Resolving	State Compliance achieved
849	March 15, 2022	Resolving	State Compliance achieved
845	March 18, 2022	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 107221 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start March 1, 2021 · period end March 31, 2021 · first reported June 9, 2021 · EPA return-to-compliance field March 31, 2021

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
834	May 18, 2021	Informal	State Formal Notice of Violation issued
835	May 18, 2021	Informal	State Public Notification requested
838	June 22, 2021	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 107121 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start March 1, 2021 · period end March 31, 2021 · first reported June 9, 2021 · EPA return-to-compliance field March 31, 2021

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
836	May 18, 2021	Informal	State Formal Notice of Violation issued
837	May 18, 2021	Informal	State Public Notification requested
839	June 22, 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