IA7866031 · Iowa
TREYNOR WATER DEPARTMENT
Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 5
- EPA health-based flag
- 0
- Health-based records unresolved in this snapshot
- 0
- Monitoring and reporting records
- 5
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 5 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 14926 · Nitrate · Nitrate RuleNoncompliance period start October 1, 2024 · period end September 30, 2025 · first reported December 19, 2025 · EPA return-to-compliance field September 30, 2025
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 100317 October 22, 2025 Informal State Public Notification requested 100318 October 22, 2025 Informal State Formal Notice of Violation issued 100316 October 23, 2025 Resolving State Compliance achieved 100323 December 1, 2025 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 14726 · Nitrite · Nitrate RuleNoncompliance period start October 1, 2024 · period end September 30, 2025 · first reported December 19, 2025 · EPA return-to-compliance field September 30, 2025
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 100313 October 22, 2025 Informal State Formal Notice of Violation issued 100315 October 22, 2025 Informal State Public Notification requested 100314 October 23, 2025 Resolving State Compliance achieved 100322 December 1, 2025 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 192921 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts RuleNoncompliance period start July 1, 2021 · period end July 31, 2021 · first reported December 8, 2021 · EPA return-to-compliance field July 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 100307 November 4, 2021 Informal State Public Notification requested 100308 November 4, 2021 Informal State Formal Notice of Violation issued 100310 July 19, 2022 Resolving State Compliance achieved 100312 October 26, 2022 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 192821 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts RuleNoncompliance period start July 1, 2021 · period end July 31, 2021 · first reported December 8, 2021 · EPA return-to-compliance field July 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 100305 November 4, 2021 Informal State Public Notification requested 100306 November 4, 2021 Informal State Formal Notice of Violation issued 100309 July 19, 2022 Resolving State Compliance achieved 100311 October 26, 2022 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 125021 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start May 1, 2021 · period end May 31, 2021 · first reported September 17, 2021 · EPA return-to-compliance field May 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 100301 June 15, 2021 Resolving State Compliance achieved 100302 June 22, 2021 Informal State Public Notification requested 100303 June 22, 2021 Informal State Formal Notice of Violation issued 100304 September 15, 2021 Informal State 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.
- 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