Drinking Water Compliance OS

NOWATA, OK · Nowata County

NOWATA MUNICIPAL AUTHORITY Water System

Current status

No open violations on record as of July 4, 2026.

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)
OK1021503
System type
Community Water System
Population served
3,971
Service connections
2,072
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • LSL Reporting

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024 – July 15, 2025

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2024 – June 30, 2024

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2024 – June 30, 2024

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2024 – March 31, 2024

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2024 – March 31, 2024

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2023 – September 30, 2023

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2023 – September 30, 2023

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2022 – December 31, 2022

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2022 – December 31, 2022

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2022 – June 30, 2022

    Archived
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    December 30, 2021 – August 2, 2021

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2021 – March 31, 2021

    Archived
  • 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

    January 1, 2019 – March 31, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2018 – December 31, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2018 – September 30, 2018

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    December 1, 2017 – December 31, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    December 1, 2017 – December 31, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    November 1, 2017 – November 30, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    November 1, 2017 – November 30, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    October 1, 2017 – October 31, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    October 1, 2017 – October 31, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    September 1, 2017 – September 30, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    September 1, 2017 – September 30, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    August 1, 2017 – August 31, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    August 1, 2017 – August 31, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    July 1, 2017 – July 31, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    July 1, 2017 – July 31, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    June 1, 2017 – June 30, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    June 1, 2017 – June 30, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    May 1, 2017 – May 31, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    May 1, 2017 – May 31, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    April 1, 2017 – April 30, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    April 1, 2017 – April 30, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    March 1, 2017 – March 31, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    March 1, 2017 – March 31, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    February 1, 2017 – February 28, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    February 1, 2017 – February 28, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    January 1, 2017 – January 31, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    January 1, 2017 – January 31, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    July 1, 2016 – July 31, 2016

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    April 1, 2016 – April 30, 2016

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    March 31, 2016 – March 6, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    March 1, 2016 – March 31, 2016

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Long Term 2 Enhanced Surface Water Treatment Rule

    February 1, 2016 – February 29, 2016

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    TTHM

    December 30, 2015 – March 6, 2017

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2015 – December 31, 2015

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 2015 – September 30, 2015

    Resolved
  • Failure to Filter (SWTR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    August 1, 2015 – March 29, 2016

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2015 – September 21, 2016

    Resolved
  • Failure to Filter (SWTR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    July 1, 2015 – March 29, 2016

    Resolved
  • Failure to Filter (SWTR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    June 1, 2015 – March 29, 2016

    Resolved
  • Failure to Filter (SWTR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    May 1, 2015 – March 29, 2016

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 1, 2015 – March 29, 2016

    Resolved
  • Failure to Filter (SWTR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    April 1, 2015 – March 29, 2016

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 1, 2015 – March 29, 2016

    Resolved
  • Failure to Filter (SWTR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    January 1, 2015 – March 6, 2017

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 1, 2015 – March 29, 2016

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    November 1, 2014 – March 29, 2016

    Resolved
  • Failure to Filter (SWTR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    November 1, 2014 – March 29, 2016

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    October 1, 2014 – March 29, 2016

    Resolved
  • Failure to Filter (SWTR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    October 1, 2014 – March 29, 2016

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2014 – March 13, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2012 – June 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    December 1, 2011 – December 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2011 – December 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2007 – June 30, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2006 – September 30, 2006

    Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

NOWATA MUNICIPAL AUTHORITY

918-273-3538

NOWATA, OK 74048