Drinking Water Compliance OS

MCALESTER, OK · Pittsburg County

PITTSBURG CO. WATER AUTHORITY Water System

Current status

1 open health-based violation on record as of July 4, 2026. 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)
OK1020616
System type
Community Water System
Population served
5
Service connections
3
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • LSL Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Unaddressed
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    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

    Dinoseb

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    OXAMYL

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Glyphosate

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Endothall

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Diquat

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Endrin

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Dalapon

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2023 – December 31, 2023

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2021 – November 30, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    October 1, 2021 – December 31, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2021 – December 31, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    October 1, 2021 – December 31, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2021 – December 31, 2021

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 27, 2020 – January 6, 2023

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 27, 2020 – January 6, 2023

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 27, 2020 – January 6, 2023

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 2, 2020 – October 1, 2021

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

    Lead and Copper Rule

    October 1, 2020 – July 14, 2022

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2019 – November 30, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    October 1, 2019 – December 31, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    October 1, 2019 – December 31, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2019 – December 31, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2019 – December 31, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    October 1, 2019 – December 31, 2019

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    October 1, 2019 – October 31, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    July 27, 2019 – July 14, 2022

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    April 1, 2018 – December 20, 2021

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2018 – March 31, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    October 1, 2017 – October 31, 2017

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    September 29, 2017 – December 15, 2017

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    September 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    August 1, 2016 – August 31, 2016

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    December 30, 2015 – March 24, 2016

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    October 1, 2014 – December 31, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2014 – September 30, 2014

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    July 1, 2014 – September 30, 2014

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    April 1, 2014 – June 30, 2014

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    April 1, 2014 – June 30, 2014

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    April 1, 2014 – June 30, 2014

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    January 1, 2014 – March 31, 2014

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    October 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2013 – September 30, 2013

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    July 1, 2013 – July 31, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2013 – September 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2013 – June 30, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    April 1, 2013 – June 30, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    April 1, 2013 – June 30, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    April 1, 2013 – June 30, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2013 – March 31, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2013 – March 31, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2013 – March 31, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2012 – December 31, 2012

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    October 1, 2012 – December 31, 2012

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    July 1, 2012 – September 30, 2012

    Archived
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    July 1, 2012 – August 1, 2012

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    April 1, 2012 – June 30, 2012

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    January 1, 2012 – March 31, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2012 – March 31, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2011 – December 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2011 – December 31, 2011

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    October 1, 2011 – December 31, 2011

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2011 – August 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2011 – September 30, 2011

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    July 1, 2011 – September 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2011 – September 30, 2011

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    April 1, 2011 – June 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2011 – June 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2011 – June 30, 2011

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    January 1, 2011 – March 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2011 – March 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2011 – March 31, 2011

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    October 1, 2010 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2010 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2010 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2010 – September 30, 2010

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    July 1, 2010 – September 30, 2010

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    July 1, 2010 – September 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2010 – June 30, 2010

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    April 1, 2010 – June 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2010 – June 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2010 – March 31, 2010

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    January 1, 2010 – March 31, 2010

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    January 1, 2010 – March 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2010 – March 31, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2009 – December 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2009 – December 31, 2009

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    October 1, 2009 – December 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2009 – December 31, 2009

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    July 1, 2009 – September 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2009 – September 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2009 – September 30, 2009

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    April 1, 2009 – June 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2009 – June 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    March 1, 2009 – May 31, 2009

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    March 1, 2009 – May 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2009 – March 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2009 – March 31, 2009

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    January 1, 2009 – March 31, 2009

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    December 1, 2008 – February 28, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    October 1, 2008 – December 31, 2008

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    October 1, 2008 – December 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2008 – December 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2008 – October 31, 2008

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    September 1, 2008 – November 30, 2008

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    July 1, 2008 – July 31, 2008

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    July 1, 2008 – September 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2008 – September 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2008 – September 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2008 – June 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2008 – June 30, 2008

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    April 1, 2008 – June 30, 2008

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    January 1, 2008 – March 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2008 – March 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2008 – March 31, 2008

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    January 1, 2008 – March 31, 2008

    Resolved
  • Monitoring, Regular

    Gross Beta Particle Activity

    January 1, 2008 – December 31, 2016

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    October 1, 2007 – December 31, 2007

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    October 1, 2007 – December 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2007 – December 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2007 – December 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2007 – September 30, 2007

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    July 1, 2007 – September 30, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2007 – September 30, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2007 – June 30, 2007

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    April 1, 2007 – June 30, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2007 – June 30, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2007 – June 30, 2007

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    January 1, 2007 – March 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2007 – March 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2007 – March 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2006 – December 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2006 – December 31, 2006

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2006 – September 30, 2006

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    April 1, 2006 – June 30, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2006 – March 31, 2006

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    April 1, 2005 – June 30, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2004 – May 31, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1998 – July 31, 1998

    Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

PITTSBURG CO. WATER AUTHORITY

918-429-9667

MCALESTER, OK 74502