OK3006101 · Oklahoma

HARTSHORNE

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

Violation records shown: 24
EPA health-based flag: 22
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 2

Counties listed by EPA · Pittsburg 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 2 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 89.5 days. The interval uses the reporting periods and dates on file.

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271612 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 1, 2024 · period end December 31, 2024 · first reported May 15, 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
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued
9045885	February 26, 2025	Informal	State Violation/Reminder Notice
9045886	February 26, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Failure Submit IDSE/Subpart V Plan RptViolation 271611 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start September 29, 2024 · period end December 20, 2024 · first reported December 30, 2024 · EPA return-to-compliance field December 20, 2024

2 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045883	December 13, 2024	Informal	State Violation/Reminder Notice
9045884	December 20, 2024	Resolving	State Compliance achieved

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271610 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

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

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045881	August 30, 2024	Informal	State Violation/Reminder Notice
9045882	August 30, 2024	Informal	State Public Notification requested
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271609 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

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

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045881	August 30, 2024	Informal	State Violation/Reminder Notice
9045882	August 30, 2024	Informal	State Public Notification requested
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271608 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2024 · period end March 31, 2024 · first reported June 14, 2024 · EPA return-to-compliance field March 31, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045879	April 30, 2024	Informal	State Violation/Reminder Notice
9045880	April 30, 2024	Informal	State Public Notification requested
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271607 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2024 · period end March 31, 2024 · first reported June 14, 2024 · EPA return-to-compliance field March 31, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045879	April 30, 2024	Informal	State Violation/Reminder Notice
9045880	April 30, 2024	Informal	State Public Notification requested
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271606 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 1, 2023 · period end December 31, 2023 · first reported February 14, 2024 · EPA return-to-compliance field December 31, 2023

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045877	February 9, 2024	Informal	State Violation/Reminder Notice
9045878	February 9, 2024	Informal	State Public Notification requested
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271605 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 1, 2023 · period end December 31, 2023 · first reported February 14, 2024 · EPA return-to-compliance field December 31, 2023

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045877	February 9, 2024	Informal	State Violation/Reminder Notice
9045878	February 9, 2024	Informal	State Public Notification requested
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271604 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported January 2, 2024 · 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
9045874	November 15, 2023	Informal	State Violation/Reminder Notice
9045875	November 15, 2023	Informal	State Public Notification requested
9045876	December 27, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271603 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported January 2, 2024 · 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
9045874	November 15, 2023	Informal	State Violation/Reminder Notice
9045875	November 15, 2023	Informal	State Public Notification requested
9045876	December 27, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271602 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start April 1, 2023 · period end June 30, 2023 · first reported August 29, 2023 · EPA return-to-compliance field June 30, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045871	August 18, 2023	Informal	State Violation/Reminder Notice
9045872	August 18, 2023	Informal	State Public Notification requested
9045873	September 11, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271601 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start April 1, 2023 · period end June 30, 2023 · first reported August 29, 2023 · EPA return-to-compliance field June 30, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045871	August 18, 2023	Informal	State Violation/Reminder Notice
9045872	August 18, 2023	Informal	State Public Notification requested
9045873	September 11, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271600 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2023 · period end March 31, 2023 · first reported August 29, 2023 · EPA return-to-compliance field March 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045868	June 26, 2023	Informal	State Violation/Reminder Notice
9045869	June 26, 2023	Informal	State Public Notification requested
9045870	July 25, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271599 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2023 · period end March 31, 2023 · first reported August 29, 2023 · EPA return-to-compliance field March 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045868	June 26, 2023	Informal	State Violation/Reminder Notice
9045869	June 26, 2023	Informal	State Public Notification requested
9045870	July 25, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271598 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 1, 2022 · period end December 31, 2022 · first reported March 27, 2023 · EPA return-to-compliance field December 31, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045865	February 27, 2023	Informal	State Violation/Reminder Notice
9045866	February 27, 2023	Informal	State Public Notification requested
9045867	March 24, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271597 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2022 · period end September 30, 2022 · first reported March 27, 2023 · EPA return-to-compliance field September 30, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045858	December 22, 2022	Informal	State Violation/Reminder Notice
9045859	December 22, 2022	Informal	State Public Notification requested
9045860	February 13, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271596 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start April 1, 2022 · period end June 30, 2022 · first reported March 27, 2023 · 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
9045858	December 22, 2022	Informal	State Violation/Reminder Notice
9045859	December 22, 2022	Informal	State Public Notification requested
9045860	February 13, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271595 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start April 1, 2022 · period end June 30, 2022 · first reported March 27, 2023 · 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
9045858	December 22, 2022	Informal	State Violation/Reminder Notice
9045859	December 22, 2022	Informal	State Public Notification requested
9045860	February 13, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271594 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported September 26, 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
9045856	August 24, 2022	Informal	State Violation/Reminder Notice
9045857	August 24, 2022	Informal	State Public Notification requested
9045861	February 13, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271593 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported September 26, 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
9045856	August 24, 2022	Informal	State Violation/Reminder Notice
9045857	August 24, 2022	Informal	State Public Notification requested
9045861	February 13, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271592 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 1, 2021 · period end December 31, 2021 · first reported May 19, 2022 · EPA return-to-compliance field December 31, 2021

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045854	February 17, 2022	Informal	State Violation/Reminder Notice
9045855	February 17, 2022	Informal	State Public Notification requested
9045862	February 13, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

Monitoring or reporting · Resolved

Failure Submit IDSE/Subpart V Plan RptViolation 271591 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start September 29, 2021 · period end January 4, 2022 · first reported February 17, 2022 · EPA return-to-compliance field January 4, 2022

2 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045852	December 21, 2021	Informal	State Violation/Reminder Notice
9045853	January 4, 2022	Resolving	State Compliance achieved

EPA health-based flag · Archived

Maximum Contaminant Level Violation, AverageViolation 271590 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2021 · period end September 30, 2021 · first reported November 16, 2021 · EPA return-to-compliance field September 30, 2021

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
9045841	November 12, 2021	Informal	State Violation/Reminder Notice
9045842	November 12, 2021	Informal	State Public Notification requested
9045863	February 13, 2023	Informal	State Public Notification received
9045840	September 30, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 271589 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule
Noncompliance period start January 1, 2020 · period end March 31, 2020 · first reported June 24, 2021 · EPA return-to-compliance field March 31, 2020

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
9045840 September 30, 2024 Formal State Administrative/Compliance Order with penalty issued

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