Drinking Water Compliance OS

MANCHESTER, OK · Grant County

MANCHESTER Water System

Current status

4 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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)
OK2002703
System type
Community Water System
Population served
104
Service connections
80
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring and Reporting (DBP)

    Chlorine

    November 1, 2025 – November 30, 2025

    Archived
  • Monitoring, Source Water (GWR)

    E. COLI

    October 29, 2025

    Unaddressed
  • Monitoring, Source Water (GWR)

    E. COLI

    October 3, 2025

    Unaddressed
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2025 – October 31, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    August 1, 2025 – August 31, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2025 – July 31, 2025

    Archived
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2025

    Unaddressed
  • Monitoring and Reporting (DBP)

    Chlorine

    June 1, 2025 – June 30, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    May 1, 2025 – May 31, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2025 – April 30, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    March 1, 2025 – March 31, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    February 1, 2025 – February 28, 2025

    Archived
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2025 – January 31, 2025

    Archived
  • Monitoring, Regular

    Chlordane

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    December 1, 2024 – December 31, 2024

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    November 1, 2024 – November 30, 2024

    Archived
  • Monitoring, Source Water (GWR)

    E. COLI

    October 22, 2024

    Unaddressed
  • Monitoring, Regular

    2,4-D

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Endrin

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Methoxychlor

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Toxaphene

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Dalapon

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Diquat

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Endothall

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Glyphosate

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    OXAMYL

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Simazine

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Picloram

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Dinoseb

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Carbofuran

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Atrazine

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    LASSO

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Heptachlor

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Chlordane

    October 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Endothall

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Chlordane

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    2,4-D

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Atrazine

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Simazine

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Toxaphene

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Dalapon

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Glyphosate

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2019 – November 30, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2019 – December 31, 2019

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    July 1, 2019 – December 31, 2019

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

    Lead and Copper Rule

    July 1, 2019 – October 8, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2019 – June 10, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2019 – June 10, 2019

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    January 1, 2019 – June 30, 2019

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    June 19, 2018 – August 27, 2018

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

    Lead and Copper Rule

    January 1, 2018 – April 2, 2018

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    May 5, 2015 – June 6, 2016

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2014 – May 31, 2014

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    May 1, 2014 – May 31, 2014

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2014 – March 31, 2014

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    February 1, 2014 – February 28, 2014

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    February 1, 2014 – February 28, 2014

    Resolved
  • Monitoring, Regular

    Combined Uranium

    January 1, 2014 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Gross Beta Particle Activity

    January 1, 2014 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2014 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2014 – December 31, 2019

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2013 – November 30, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2013 – August 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2013 – March 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2012 – July 31, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2012 – May 31, 2012

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 2011 – August 31, 2011

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    July 1, 2011 – July 31, 2011

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2011 – October 26, 2012

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2011 – July 31, 2011

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 2011 – June 30, 2011

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    June 1, 2011 – June 30, 2011

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2010 – November 30, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2010 – October 31, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2010 – June 30, 2010

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 2006 – November 30, 2006

    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 state

Enforcement actions

Contact

MANCHESTER, TOWN OF

580-278-5221

MANCHESTER, OK 73758-0005