Drinking Water Compliance OS

WISTER, OK · Latimer County

LATIMER CO. RWD #3 Water System

Current status

1 open health-based violation on record as of July 4, 2026, alongside 35 other open item(s). See the violation history below for contaminant and status details.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Oklahoma’s official records. Always confirm current status with Oklahoma before making decisions based on this information.

System facts

System ID (PWSID)
OK3003908
System type
Community Water System
Population served
175
Service connections
127
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2025 – November 30, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    November 1, 2025 – November 30, 2025

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2025 – December 31, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2025 – December 31, 2025

    Archived
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    July 1, 2025

    Unaddressed
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2025

    Unaddressed
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2025 – September 30, 2025

    Archived
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    June 30, 2025

    Unaddressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2025 – June 30, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    June 1, 2025 – June 30, 2025

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2025 – June 30, 2025

    Archived
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    April 1, 2025

    Unaddressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2025 – March 31, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    March 1, 2025 – March 31, 2025

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2025 – March 31, 2025

    Archived
  • Public Notification Violation for NPDWR Violation

    Public Notice

    October 19, 2024

    Addressed
  • LSL Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Addressed
  • LSL Reporting

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Addressed
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2024 – December 31, 2024

    Archived
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2024

    Addressed
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    September 29, 2024

    Addressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    September 1, 2024 – September 30, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    September 1, 2024 – September 30, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    August 1, 2024 – August 31, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2024 – August 31, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2024 – September 30, 2024

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2024

    Addressed
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2024 – September 30, 2024

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2024 – September 30, 2024

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    June 30, 2024

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    June 17, 2024

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 24, 2024

    Addressed
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2024 – June 30, 2024

    Archived
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    March 31, 2024

    Addressed
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2024 – March 31, 2024

    Archived
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    December 30, 2023

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    October 20, 2023

    Addressed
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 2, 2023

    Addressed
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2023 – December 31, 2023

    Archived
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    September 29, 2023

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    September 4, 2023

    Addressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2023 – August 31, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2023 – September 30, 2023

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2023 – September 30, 2023

    Archived
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    June 30, 2023

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 26, 2023

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 19, 2023

    Addressed
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2023 – June 30, 2023

    Archived
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2023 – March 31, 2023

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 22, 2023

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 22, 2023

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 22, 2023

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 8, 2023 – July 25, 2023

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2023 – March 31, 2023

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2023 – March 31, 2023

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    December 30, 2022 – March 31, 2023

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    November 29, 2022 – July 25, 2023

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 2, 2022 – May 4, 2023

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2022 – December 31, 2022

    Archived
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2022 – August 31, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2022 – September 30, 2022

    Archived
  • Public Notification Violation for NPDWR Violation

    Public Notice

    June 8, 2022

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    March 30, 2022

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    February 23, 2022 – July 25, 2023

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 23, 2021

    Addressed
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2021 – July 14, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2021 – December 31, 2021

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2021 – December 31, 2021

    Archived
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2021 – October 31, 2021

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    September 29, 2021 – July 25, 2023

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    September 29, 2021 – July 25, 2023

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    August 31, 2021

    Addressed
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2021 – May 4, 2023

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    June 30, 2021 – March 31, 2023

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    June 28, 2021 – July 25, 2023

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    June 28, 2021 – July 25, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    June 1, 2021 – August 31, 2021

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 31, 2021

    Addressed
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    April 1, 2021 – March 31, 2023

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2021 – June 30, 2021

    Archived
  • Public Notification Violation for NPDWR Violation

    Public Notice

    March 2, 2021

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 19, 2021

    Addressed
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2021 – March 31, 2021

    Archived
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    December 30, 2020 – March 31, 2023

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2020 – December 31, 2020

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2020 – July 31, 2020

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2020 – September 30, 2020

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2020 – September 30, 2020

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    June 30, 2020 – March 31, 2023

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2020 – June 30, 2020

    Archived
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    March 31, 2020 – March 31, 2023

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2020 – March 31, 2020

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2020 – March 31, 2020

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2020 – March 31, 2020

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    December 30, 2019 – March 31, 2023

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2019 – December 31, 2019

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2019 – September 30, 2019

    Archived
  • Monitoring and Reporting (DBP)

    TTHM

    March 1, 2019 – May 31, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    March 1, 2019 – May 31, 2019

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2019 – March 31, 2019

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    February 1, 2019 – February 28, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2019 – March 31, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2019 – March 31, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    December 1, 2018 – February 28, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    December 1, 2018 – February 28, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2018 – December 31, 2018

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    September 1, 2018 – November 30, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    September 1, 2018 – November 30, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2018 – September 30, 2018

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    June 1, 2018 – August 31, 2018

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 24, 2018

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 21, 2018

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 21, 2018

    Addressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 21, 2018

    Addressed
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2018 – March 31, 2018

    Archived
  • Monitoring and Reporting (DBP)

    TTHM

    December 1, 2017 – February 28, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    September 1, 2017 – November 30, 2017

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2017 – January 16, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    June 1, 2017 – August 31, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    March 1, 2017 – May 31, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    September 1, 2016 – November 30, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2016 – September 30, 2016

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2016 – June 30, 2016

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2016 – March 31, 2016

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2016 – March 31, 2016

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2015 – December 31, 2015

    Archived
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2015 – December 21, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2014 – November 30, 2014

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2014 – November 30, 2014

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2013 – December 31, 2013

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 1999 – July 31, 1999

    Archived
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    June 1, 1993 – May 16, 1994

    Resolved

Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateAddressed corrective action reported, pending final confirmation

Enforcement actions

Contact

LATIMER CO. RWD #3

918-471-9354

WISTER, OK 74966