Drinking Water Compliance OS

Ellensburg, WA · Grant County

PONDEROSA MOBILE HOME PARK 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 Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

System facts

System ID (PWSID)
WA5368420
System type
Community Water System
Population served
105
Service connections
37
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2018 – December 31, 2018

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2016 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2015 – December 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2009 – December 31, 2009

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Selenium

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Selenium

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Chromium

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Fluoride

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Chromium

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Barium

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Barium

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Fluoride

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    LASSO

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Simazine

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Endrin

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    LASSO

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Simazine

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Endrin

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    October 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    April 1, 2000 – April 30, 2000

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    August 1, 1998 – August 31, 1998

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    May 1, 1997 – May 31, 1997

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    April 1, 1997 – April 30, 1997

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    June 1, 1995 – June 30, 1995

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    April 1, 1995 – April 30, 1995

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    October 1, 1993 – October 31, 1993

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    July 1, 1993 – July 31, 1993

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    February 1, 1993 – February 28, 1993

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    May 1, 1992 – May 31, 1992

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    October 1, 1991 – October 31, 1991

    Archived

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    October 1, 1979 – October 31, 1979

    Archived

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

Enforcement actions

Contact

PONDEROSA MOBILE HOME PARK

Phone not on record

Ellensburg, WA 98926