Drinking Water Compliance OS

RENO, NV · Washoe County

SILVER KNOLLS MUTUAL WATER COMPANY 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 Nevada’s official records. Always confirm current status with Nevada before making decisions based on this information.

System facts

System ID (PWSID)
NV0004021
System type
Community Water System
Population served
120
Service connections
63
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    October 1, 2025 – December 31, 2025

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    April 1, 2025 – June 30, 2025

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    January 1, 2025 – March 31, 2025

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    October 1, 2024 – December 31, 2024

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    July 1, 2024 – September 30, 2024

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    April 1, 2024 – June 30, 2024

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    January 1, 2024 – March 31, 2024

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    October 1, 2023 – December 31, 2023

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    July 1, 2023 – September 30, 2023

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    April 1, 2023 – June 30, 2023

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    January 1, 2023 – March 31, 2023

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    October 1, 2022 – December 31, 2022

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    July 1, 2022 – September 30, 2022

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    April 1, 2022 – June 30, 2022

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    January 1, 2022 – March 31, 2022

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    October 1, 2021 – December 31, 2021

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    July 1, 2021 – September 30, 2021

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    April 1, 2021 – June 30, 2021

    Archived
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    March 1, 2021 – May 10, 2021

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    January 1, 2021 – March 31, 2021

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    October 1, 2020 – December 31, 2020

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    July 1, 2020 – September 30, 2020

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    April 1, 2020 – June 30, 2020

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    January 1, 2020 – March 31, 2020

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    October 1, 2019 – December 31, 2019

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    July 1, 2019 – September 30, 2019

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    April 1, 2019 – June 30, 2019

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    January 1, 2019 – March 31, 2019

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    October 1, 2018 – December 31, 2018

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    July 1, 2018 – September 30, 2018

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    April 1, 2018 – June 30, 2018

    Archived
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    March 1, 2018

    Unaddressed
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    January 1, 2018 – March 31, 2018

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    October 1, 2017 – December 31, 2017

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    July 1, 2017 – September 30, 2017

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    April 1, 2017 – June 30, 2017

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    January 1, 2017 – March 31, 2017

    Archived
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2016 – September 30, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2016 – September 30, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    January 1, 2016 – March 31, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    October 1, 2015 – December 31, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    July 1, 2015 – September 30, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2015 – June 30, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    April 1, 2015 – June 30, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    January 1, 2015 – March 31, 2015

    Resolved
  • Variance/Exemption/Other Compliance

    No contaminant on record

    January 1, 2015 – March 31, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2014 – August 31, 2014

    Resolved
  • Monitoring, Regular

    Arsenic

    August 1, 2014 – August 31, 2014

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2014 – March 31, 2014

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2014 – March 31, 2014

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2013 – September 7, 2013

    Resolved
  • Monitoring, Regular

    Arsenic

    July 1, 2012 – September 30, 2012

    Resolved
  • Monitoring, Regular

    Arsenic

    July 1, 2012 – September 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    March 1, 2011 – March 31, 2011

    Resolved
  • Monitoring, Regular

    Arsenic

    April 1, 2008 – June 30, 2008

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2005 – March 31, 2005

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2004 – March 31, 2004

    Archived
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    April 1, 2002 – June 30, 2002

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    April 1, 2002 – June 30, 2002

    Resolved
  • Monitoring, Regular

    Toluene

    April 1, 2002 – June 30, 2002

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    April 1, 2002 – June 30, 2002

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    April 1, 2002 – June 30, 2002

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2002 – March 31, 2002

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2002 – March 31, 2002

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2002 – March 31, 2002

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2002 – March 31, 2002

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2002 – March 31, 2002

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2002 – March 31, 2002

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2002 – March 31, 2002

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2002 – March 31, 2002

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Aldicarb

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 2002 – December 31, 2004

    Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

Contact

POPE, TINA

775-972-3975

RENO, NV 89508