Drinking Water Compliance OS

Tonasket, WA · Okanogan County

LOST RIVER AIRPORT ASSOCIATION 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)
WA5348348
System type
Community Water System
Population served
72
Service connections
179
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    Styrene

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    Toluene

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    Benzene

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2012 – December 31, 2012

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Simazine

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    LASSO

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Picloram

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2005 – March 31, 2005

    Archived

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Selenium

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Nickel

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Mercury

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Fluoride

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Chromium

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Cadmium

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Barium

    January 1, 2002 – December 31, 2004

    Archived

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

Enforcement actions

Contact

LOST RIVER AIRPORT ASSOCIATION

Phone not on record

Tonasket, WA 98855-9433