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OK2004711 · Oklahoma

MCCLAIN CO RWD # 8

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

Violation records shown
18
EPA health-based flag
0
Health-based records unresolved in this snapshot
0
Monitoring and reporting records
18

Counties listed by EPA · McClain County, Oklahoma

Open the EPA system record

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

Violations and what followed

Among 17 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 90 days. The interval uses the reporting periods and dates on file.

  1. Monitoring or reporting · Unaddressed by formal action

    Follow-up Or Routine LCR Tap M/RViolation 119436 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start January 1, 2026 · first reported May 13, 2026

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4651February 19, 2026InformalState Violation/Reminder Notice
    4652February 19, 2026InformalState Public Notification requested

  2. Monitoring or reporting · Resolved

    Monitoring, Routine (RTCR)Violation 119435 · Revised Total Coliform Rule · Revised Total Coliform Rule

    Noncompliance period start November 1, 2025 · period end November 30, 2025 · first reported February 18, 2026 · EPA return-to-compliance field November 30, 2025

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4649January 27, 2026InformalState Violation/Reminder Notice
    4650January 27, 2026InformalState Public Notification requested
    4654March 5, 2026ResolvingState Compliance achieved

  3. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 119434 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start November 1, 2025 · period end November 30, 2025 · first reported February 18, 2026 · EPA return-to-compliance field November 30, 2025

    3 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4649January 27, 2026InformalState Violation/Reminder Notice
    4650January 27, 2026InformalState Public Notification requested
    4653March 5, 2026ResolvingState Compliance achieved

  4. Monitoring or reporting · Resolved

    Follow-up Or Routine LCR Tap M/RViolation 119431 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start July 1, 2024 · period end September 6, 2024 · first reported December 30, 2024 · EPA return-to-compliance field September 6, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4636August 21, 2024InformalState Violation/Reminder Notice
    4637August 21, 2024InformalState Public Notification requested
    4644September 6, 2024ResolvingState Compliance achieved
    4646June 2, 2025InformalState Public Notification received

  5. Monitoring or reporting · Resolved

    Monitoring, Routine (RTCR)Violation 119429 · Revised Total Coliform Rule · Revised Total Coliform Rule

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

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4621December 15, 2023InformalState Violation/Reminder Notice
    4622December 15, 2023InformalState Public Notification requested
    4624January 2, 2024ResolvingState Compliance achieved
    4628June 10, 2024InformalState Public Notification received

  6. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 119428 · Chlorine · Stage 1 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

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4619December 15, 2023InformalState Violation/Reminder Notice
    4620December 15, 2023InformalState Public Notification requested
    4623January 2, 2024ResolvingState Compliance achieved
    4627June 10, 2024InformalState Public Notification received

  7. Monitoring or reporting · Resolved

    Follow-up Or Routine LCR Tap M/RViolation 119427 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start October 1, 2023 · period end August 15, 2024 · first reported February 14, 2024 · EPA return-to-compliance field August 15, 2024

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4616November 30, 2023InformalState Violation/Reminder Notice
    4617November 30, 2023InformalState Public Notification requested
    4634June 10, 2024InformalState Public Notification received
    4635August 15, 2024ResolvingState Compliance achieved

  8. Monitoring or reporting · Resolved

    Monitoring, Routine (RTCR)Violation 119425 · Revised Total Coliform Rule · Revised Total Coliform Rule

    Noncompliance period start June 1, 2023 · period end June 30, 2023 · first reported January 2, 2024 · EPA return-to-compliance field June 30, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4609August 30, 2023InformalState Violation/Reminder Notice
    4610August 30, 2023InformalState Public Notification requested
    4612September 8, 2023ResolvingState Compliance achieved
    4630June 10, 2024InformalState Public Notification received

  9. Monitoring or reporting · Resolved

    Monitoring, Routine (RTCR)Violation 119423 · Revised Total Coliform Rule · Revised Total Coliform Rule

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

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4604July 21, 2023InformalState Violation/Reminder Notice
    4605July 21, 2023InformalState Public Notification requested
    4611September 8, 2023ResolvingState Compliance achieved
    4633June 10, 2024InformalState Public Notification received

  10. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 119424 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start April 1, 2023 · period end June 30, 2023 · first reported January 2, 2024 · EPA return-to-compliance field June 30, 2023

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4607August 30, 2023InformalState Violation/Reminder Notice
    4608August 30, 2023InformalState Public Notification requested
    4614September 8, 2023ResolvingState Compliance achieved
    4629June 10, 2024InformalState Public Notification received

  11. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 119422 · Bromate · Stage 1 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 IDDateCategoryEPA action type
    4602July 21, 2023InformalState Violation/Reminder Notice
    4603July 21, 2023InformalState Public Notification requested
    4606July 26, 2023ResolvingState Compliance achieved
    4632June 10, 2024InformalState Public Notification received

  12. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 119421 · Chlorine · Stage 1 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 IDDateCategoryEPA action type
    4600July 21, 2023InformalState Violation/Reminder Notice
    4601July 21, 2023InformalState Public Notification requested
    4613September 8, 2023ResolvingState Compliance achieved
    4631June 10, 2024InformalState Public Notification received

  13. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 119420 · Bromate · Stage 1 Disinfectants and Disinfection Byproducts Rule

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

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4597April 26, 2023InformalState Violation/Reminder Notice
    4598April 26, 2023InformalState Public Notification requested
    4599May 1, 2023ResolvingState Compliance achieved
    4618April 25, 2024InformalState Public Notification received

  14. Monitoring or reporting · Resolved

    Monitoring, Source Water (GWR)Violation 119415 · E. COLI · Ground Water Rule

    Noncompliance period start September 29, 2021 · period end December 20, 2021 · first reported February 17, 2022 · EPA return-to-compliance field December 20, 2021

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4555November 18, 2021InformalState Violation/Reminder Notice
    4556November 18, 2021InformalState Public Notification requested
    4585December 20, 2021ResolvingState Compliance achieved
    4596April 4, 2023InformalState Public Notification received

  15. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 119414 · Bromate · Stage 1 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 8, 2021 · EPA return-to-compliance field June 30, 2021

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4549July 15, 2021InformalState Violation/Reminder Notice
    4550July 15, 2021InformalState Public Notification requested
    4551August 5, 2021ResolvingState Compliance achieved
    4593April 4, 2023InformalState Public Notification received

  16. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 119417 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start October 1, 2020 · period end September 30, 2021 · first reported February 17, 2022 · EPA return-to-compliance field September 30, 2021

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4553November 18, 2021InformalState Violation/Reminder Notice
    4554November 18, 2021InformalState Public Notification requested
    4586December 20, 2021ResolvingState Compliance achieved
    4594April 4, 2023InformalState Public Notification received

  17. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 119416 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start October 1, 2020 · period end September 30, 2021 · first reported February 17, 2022 · EPA return-to-compliance field September 30, 2021

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4553November 18, 2021InformalState Violation/Reminder Notice
    4554November 18, 2021InformalState Public Notification requested
    4586December 20, 2021ResolvingState Compliance achieved
    4595April 4, 2023InformalState Public Notification received

  18. Monitoring or reporting · Resolved

    Follow-up Or Routine LCR Tap M/RViolation 119413 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start October 1, 2020 · period end August 10, 2021 · first reported December 15, 2020 · EPA return-to-compliance field August 10, 2021

    4 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    4546December 11, 2020InformalState Violation/Reminder Notice
    4547December 11, 2020InformalState Public Notification requested
    4552August 10, 2021ResolvingState Compliance achieved
    4588December 11, 2021InformalState 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.

EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility