Drinking Water Compliance OS

Owyhee, 09

Duck Valley Owyhee 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 EPA Region 9’s official records. Always confirm current status with EPA Region 9 before making decisions based on this information.

System facts

System ID (PWSID)
093200067
System type
Community Water System
Population served
150
Service connections
84
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    March 1, 2023 – April 5, 2023

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    January 1, 2023 – April 5, 2023

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    November 1, 2022 – April 5, 2023

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    August 23, 2022 – June 6, 2023

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    August 23, 2022

    Unaddressed
  • Monitoring, Source Water (GWR)

    E. COLI

    February 1, 2022 – April 5, 2023

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    January 1, 2022 – April 5, 2023

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    November 1, 2021 – April 5, 2023

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    October 1, 2021 – April 5, 2023

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    November 1, 2020 – April 5, 2023

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2020 – December 16, 2022

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2020 – December 31, 2020

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

    Lead and Copper Rule

    January 1, 2020 – September 26, 2023

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    November 1, 2018 – April 29, 2019

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    April 1, 2018 – April 5, 2023

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    January 1, 2018 – April 5, 2023

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    December 1, 2016 – June 16, 2017

    Resolved
  • Sample Siting Plan Errors (RTCR)

    Revised Total Coliform Rule

    April 1, 2016 – May 3, 2019

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2016 – December 31, 2016

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    January 1, 2016 – June 16, 2017

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2015 – November 30, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2015 – June 30, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2014 – May 31, 2014

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2014 – December 31, 2016

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    December 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    February 1, 2012 – February 29, 2012

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    December 1, 2011 – July 12, 2012

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    October 1, 2011 – July 12, 2012

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2011 – October 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2011 – June 30, 2011

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2011 – December 31, 2019

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2010 – November 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2008 – November 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2008 – October 31, 2008

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    September 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    January 1, 2007 – January 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2006 – November 30, 2006

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2004 – December 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2003 – October 31, 2003

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2003 – January 31, 2003

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2001 – August 21, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2000 – September 30, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2000 – August 31, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2000 – July 31, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2000 – June 30, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2000 – May 31, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2000 – April 30, 2000

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2000 – December 31, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 1998 – February 28, 1998

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1997 – September 30, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1997 – May 31, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 1997 – February 28, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1996 – November 30, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1996 – August 31, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1996 – July 31, 1996

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 1996 – February 25, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    March 1, 1996 – March 31, 1996

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1996 – February 25, 2004

    Resolved
  • Monitoring, Regular

    Asbestos

    January 1, 1996 – December 31, 1996

    Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

Contact

Shoshone-Paiute Tribes of Duck Valley

2087573161

Owyhee, NV 89832