OK2003704 · Oklahoma

HENNESSEY

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

Violation records shown: 4
EPA health-based flag: 1
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 3

Counties listed by EPA · Kingfisher County, Oklahoma

Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.

Violations and what followed

Among 4 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 294.5 days. The interval uses the reporting periods and dates on file.

Monitoring or reporting · Resolved

Initial, Follow-up, or Routine Source Water M/RViolation 288363 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start January 1, 2022 · period end September 16, 2022 · first reported September 26, 2022 · EPA return-to-compliance field September 16, 2022

5 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9209031	August 30, 2022	Informal	State Violation/Reminder Notice
9209032	August 30, 2022	Informal	State Public Notification requested
9209033	September 16, 2022	Resolving	State Compliance achieved
9209034	September 16, 2022	Resolving	State Compliance achieved
9209067	October 2, 2023	Informal	State Public Notification received

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, Single SampleViolation 288362 · Nitrate-Nitrite · Nitrate Rule

Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported May 19, 2022 · EPA return-to-compliance field March 31, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9209026	March 14, 2022	Formal	State Administrative/Compliance Order without penalty issued
9209027	March 14, 2022	Informal	State Public Notification requested
9209030	March 18, 2022	Informal	State Public Notification received
9209035	October 24, 2022	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Follow-up Or Routine LCR Tap M/RViolation 288347 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start January 1, 2022 · period end November 28, 2022 · first reported May 19, 2022 · EPA return-to-compliance field November 28, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9209028	March 1, 2022	Informal	State Violation/Reminder Notice
9209029	March 1, 2022	Informal	State Public Notification requested
9209036	November 28, 2022	Resolving	State Compliance achieved
9209054	April 4, 2023	Informal	State Public Notification received

Monitoring or reporting · Resolved

Initial, Follow-up, or Routine Source Water M/RViolation 288348 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start July 1, 2021 · period end December 1, 2022 · first reported May 19, 2022 · EPA return-to-compliance field December 1, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9209028	March 1, 2022	Informal	State Violation/Reminder Notice
9209029	March 1, 2022	Informal	State Public Notification requested
9209039	December 1, 2022	Resolving	State Compliance achieved
9209065	April 4, 2023	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