PA1150020 · Pennsylvania

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

Violation records shown: 7
EPA health-based flag: 0
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 6

Counties listed by EPA · Chester County, Pennsylvania

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 2503695 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad Rule

Noncompliance period start October 1, 2024 · period end December 31, 2024 · first reported February 19, 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
25036951	January 27, 2025	Informal	State Violation/Reminder Notice
25036952001	February 5, 2025	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, Routine (RTCR)Violation 2403880 · Revised Total Coliform Rule · Revised Total Coliform Rule

Noncompliance period start December 1, 2023 · period end December 31, 2023 · first reported February 23, 2024 · EPA return-to-compliance field December 31, 2023

2 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
240388084001	January 24, 2024	Informal	State Violation/Reminder Notice
240388086001	January 31, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring of Treatment (SWTR-Unfilt/GWR)Violation 2127438 · Groundwater Rule · Ground Water Rule

Noncompliance period start July 1, 2021 · period end July 31, 2021 · first reported September 17, 2021 · EPA return-to-compliance field July 31, 2021

5 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
212743866004	August 31, 2021	Informal	State Violation/Reminder Notice
212743866005	August 31, 2021	Informal	State Violation/Reminder Notice
221845768001	October 27, 2021	Formal	State Administrative Penalty assessed
221845770001	October 27, 2021	Resolving	State Compliance achieved
222743867004	October 27, 2021	Informal	State Formal Notice of Violation issued

Other or unclassified · Resolved

Consumer Confidence Report Complete Failure to ReportViolation 2127436 · Consumer Confidence Rule · Consumer Confidence Rule

Noncompliance period start July 1, 2021 · period end August 27, 2021 · first reported September 17, 2021 · EPA return-to-compliance field August 27, 2021

2 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
212743666004	August 27, 2021	Informal	State Violation/Reminder Notice
212743668004	August 27, 2021	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring of Treatment (SWTR-Unfilt/GWR)Violation 2122259 · Groundwater Rule · Ground Water Rule

Noncompliance period start June 1, 2021 · period end June 30, 2021 · first reported August 15, 2021 · EPA return-to-compliance field June 30, 2021

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
212225966003	August 3, 2021	Informal	State Violation/Reminder Notice
211845767001	August 17, 2021	Informal	State Formal Notice of Violation issued
221845768001	October 27, 2021	Formal	State Administrative Penalty assessed
221845770001	October 27, 2021	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring of Treatment (SWTR-Unfilt/GWR)Violation 2120650 · Groundwater Rule · Ground Water Rule

Noncompliance period start May 1, 2021 · period end May 31, 2021 · first reported August 15, 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
212065066002	July 13, 2021	Informal	State Violation/Reminder Notice
211845767001	August 17, 2021	Informal	State Formal Notice of Violation issued
221845768001	October 27, 2021	Formal	State Administrative Penalty assessed
221845770001	October 27, 2021	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring of Treatment (SWTR-Unfilt/GWR)Violation 2118457 · Groundwater Rule · Ground Water Rule

Noncompliance period start April 1, 2021 · period end April 30, 2021 · first reported June 16, 2021 · EPA return-to-compliance field April 30, 2021

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
211845766001	June 8, 2021	Informal	State Violation/Reminder Notice
211845767001	August 17, 2021	Informal	State Formal Notice of Violation issued
221845768001	October 27, 2021	Formal	State Administrative Penalty assessed
221845770001	October 27, 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