Drinking Water Compliance OS

DENVER, OK · Canadian County

WESTLAKE MHP Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of August 13, 2019. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Canadian County, OK.

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)
OK3005583
System type
Community Water System
Population served
350
Service connections
130
Ownership
privately owned
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2019 – August 13, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2018 – August 9, 2018

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

    Lead and Copper Rule

    January 1, 2018 – August 13, 2019

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

    Lead and Copper Rule

    January 1, 2017 – May 5, 2017

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2015 – September 15, 2017

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

    Lead and Copper Rule

    July 1, 2015 – August 13, 2019

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2014 – September 15, 2017

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    December 1, 2013 – December 31, 2013

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2013 – November 30, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2013 – May 31, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    March 1, 2013 – May 31, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    March 1, 2013 – May 31, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    September 1, 2012 – November 30, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2010 – August 31, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2010 – July 31, 2010

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2007 – June 7, 2011

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Last known contact on file (system is inactive)

HAMILTON, KAREN

303-483-7302

DENVER, CO 80202