Drinking Water Compliance OS

RYEGATE, MT · Golden Valley County

RYEGATE TOWN OF 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 Montana’s official records. Always confirm current status with Montana before making decisions based on this information.

System facts

System ID (PWSID)
MT0000322
System type
Community Water System
Population served
270
Service connections
116
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    January 1, 2025 – January 31, 2025

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

    Lead and Copper Rule

    October 1, 2024 – June 24, 2025

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    July 1, 2024 – July 31, 2024

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    February 1, 2024 – February 29, 2024

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    December 1, 2022 – December 31, 2022

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    February 1, 2021 – February 28, 2021

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2015 – February 1, 2016

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    October 1, 2014 – October 31, 2014

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    September 1, 2014 – September 30, 2014

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2012 – December 31, 2012

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2011 – December 29, 2011

    Resolved
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2011 – July 31, 2011

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    Styrene

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    Toluene

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    Benzene

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2009 – December 31, 2009

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Styrene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Toluene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Benzene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    Toluene

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    Styrene

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2007 – March 31, 2007

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2007 – March 31, 2007

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2007 – March 31, 2007

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2007 – March 31, 2007

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2007 – March 31, 2007

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2007 – March 31, 2007

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2007 – March 31, 2007

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2007 – March 31, 2007

    Resolved
  • OCCT/SOWT Study/Recommendation

    Health-based

    Lead and Copper Rule

    December 21, 2006 – March 9, 2008

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006 – March 1, 2007

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    July 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2006 – December 31, 2006

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 2005 – March 9, 2008

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2005 – December 31, 2005

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    October 1, 2004 – March 9, 2008

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    July 1, 2004 – December 31, 2004

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    January 1, 2004 – June 30, 2004

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2004 – December 31, 2004

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    October 1, 2003 – March 9, 2008

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    July 1, 2003 – December 31, 2003

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 2003 – March 9, 2008

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    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

    Tetrachloroethylene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2003 – December 31, 2003

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    October 1, 2002 – March 9, 2008

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 2002 – March 9, 2008

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Aldicarb sulfoxide

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Aldicarb

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2002 – December 31, 2004

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    October 1, 2001 – March 9, 2008

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 2001 – March 9, 2008

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    July 1, 2001 – December 31, 2001

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    July 1, 2001 – December 31, 2001

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    July 1, 2001 – December 31, 2001

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    January 1, 2001 – June 30, 2001

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    January 1, 2001 – June 30, 2001

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2001 – December 31, 2001

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 1996 – June 30, 1996

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    July 1, 1993 – December 31, 1993

    Resolved

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

Enforcement actions

Contact

GREER, LEE

406-568-2320

RYEGATE, MT 59074