Drinking Water Compliance OS

DEWAR, OK · Okmulgee County

DEWAR Water System

Current status

1 open health-based violation on record as of July 4, 2026, alongside 1 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)
OK3005613
System type
Community Water System
Population served
917
Service connections
362
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2025 – December 31, 2025

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    December 1, 2024 – December 31, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    December 1, 2024 – December 31, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    November 1, 2024 – November 30, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2024 – November 30, 2024

    Resolved
  • LSL Reporting

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Unaddressed
  • LSL Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Unaddressed
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2022 – September 30, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2022 – September 30, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2022 – June 30, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2022 – June 30, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2022 – March 31, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2022 – March 31, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2021 – December 31, 2021

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2021 – December 31, 2021

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2019 – June 30, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2019 – March 31, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2018 – December 31, 2018

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    December 30, 2015 – March 24, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2015 – September 30, 2015

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    June 30, 2015 – March 24, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2015 – March 31, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    February 1, 2014 – April 30, 2014

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2014 – February 28, 2014

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

    Lead and Copper Rule

    July 1, 2013 – January 3, 2014

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    October 1, 2009 – December 31, 2009

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    October 1, 2009 – December 31, 2009

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    April 1, 2009 – June 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2008 – May 31, 2008

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    November 1, 2007 – November 30, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2004 – October 31, 2004

    Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

Contact

DEWAR

918-652-4042

DEWAR, OK 74431