Drinking Water Compliance OS

Colfax, WA · Whitman County

STEPTOE WATER/SEWER DISTRICT 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)
WA5324881
System type
Community Water System
Population served
210
Service connections
91
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2023 – December 31, 2023

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    January 1, 2021 – December 31, 2023

    Resolved

  • Monitoring and Reporting (DBP)

    —

    TTHM

    January 1, 2021 – December 31, 2023

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring and Reporting (DBP)

    —

    TTHM

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    August 1, 2015 – August 31, 2015

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2015 – September 23, 2015

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2012 – September 18, 2012

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    December 1, 2006 – December 31, 2006

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    August 1, 2006 – August 31, 2006

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    June 1, 2006 – June 30, 2006

    Archived

  • 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

    —

    trans-1,2-Dichloroethylene

    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

    —

    p-Dichlorobenzene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2006 – December 31, 2006

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Styrene

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Toluene

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Benzene

    January 1, 2004 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Simazine

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Picloram

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    LASSO

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Regular

    —

    Endrin

    January 1, 2002 – December 31, 2004

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    April 1, 1998 – April 30, 1998

    Archived

  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1997 – September 30, 1997

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    April 1, 1997 – April 30, 1997

    Archived

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1996 – September 30, 1996

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    August 1, 1993 – August 31, 1993

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    December 1, 1991 – December 31, 1991

    Archived

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

Enforcement actions

Contact

STEPTOE WATER/SEWER DISTRICT

Phone not on record

Colfax, WA 99111