PA5100080 · Pennsylvania

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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 · Butler 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 9 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 53 days. The interval uses the reporting periods and dates on file.

Monitoring or reporting · Resolved

Monitoring of Treatment (SWTR-Unfilt/GWR)Violation 2612393 · Groundwater Rule · Ground Water Rule

Noncompliance period start February 1, 2026 · period end February 28, 2026 · first reported May 19, 2026 · EPA return-to-compliance field February 28, 2026

2 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
26123916004	April 8, 2026	Informal	State Formal Notice of Violation issued
26123918004	June 23, 2026	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 2612391 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start February 1, 2026 · period end February 28, 2026 · first reported May 19, 2026 · EPA return-to-compliance field February 28, 2026

2 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
26123916004	April 8, 2026	Informal	State Formal Notice of Violation issued
26123918004	June 23, 2026	Resolving	State Compliance achieved

Other or unclassified · Resolved

Public Notification Violation for NPDWR ViolationViolation 2601664 · Public Notice · Public Notice Rule and Revised PN Rule

Noncompliance period start October 11, 2025 · period end December 3, 2025 · first reported March 11, 2026 · EPA return-to-compliance field December 3, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
26016636001	December 3, 2025	Informal	State Violation/Reminder Notice
26016637001	December 3, 2025	Informal	State Public Notification requested
26016638001	December 3, 2025	Resolving	State Compliance achieved

Other or unclassified · Resolved

Public Notification Violation for NPDWR ViolationViolation 2601663 · Public Notice · Public Notice Rule and Revised PN Rule

Noncompliance period start October 11, 2025 · period end December 3, 2025 · first reported March 11, 2026 · EPA return-to-compliance field December 3, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
26016636001	December 3, 2025	Informal	State Violation/Reminder Notice
26016637001	December 3, 2025	Informal	State Public Notification requested
26016638001	December 3, 2025	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 2432553 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2024 · period end September 30, 2024 · first reported February 19, 2025 · EPA return-to-compliance field September 30, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
253255284002	November 12, 2024	Informal	State Formal Notice of Violation issued
253255285002	November 12, 2024	Informal	State Public Notification requested
263255286002	December 8, 2025	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 2432552 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2024 · period end September 30, 2024 · first reported February 19, 2025 · EPA return-to-compliance field September 30, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
253255284002	November 12, 2024	Informal	State Formal Notice of Violation issued
253255285002	November 12, 2024	Informal	State Public Notification requested
263255286002	December 8, 2025	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring of Treatment (SWTR-Unfilt/GWR)Violation 2418907 · Groundwater Rule · Ground Water Rule

Noncompliance period start April 1, 2024 · period end April 30, 2024 · first reported June 27, 2024 · EPA return-to-compliance field April 30, 2024

2 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
241890784001	June 12, 2024	Informal	State Formal Notice of Violation issued
241890786001	June 12, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, RegularViolation 2507653 · CYANIDE · Inorganic Chemicals

Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported February 19, 2025 · EPA return-to-compliance field December 31, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
25076531	February 12, 2025	Informal	State Formal Notice of Violation issued
25076531001	February 12, 2025	Informal	State Public Notification requested
26076532001	December 8, 2025	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Follow-up Or Routine LCR Tap M/RViolation 2262317 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start October 1, 2022 · period end July 10, 2024 · first reported November 21, 2022 · EPA return-to-compliance field July 10, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
236231772001	November 14, 2022	Informal	State Formal Notice of Violation issued
236231773001	November 14, 2022	Informal	State Public Notification requested
246231774001	July 10, 2024	Informal	State Public Notification received
246231775001	July 10, 2024	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