STEPTOE WATER/SEWER DISTRICT

Washington — Community Water System — PWSID: WA5324881

System Information

PWSIDWA5324881
System NameSTEPTOE WATER/SEWER DISTRICT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedDec 5, 1984
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityColfax
ZIP Code99111
Address601 S Mill
OrganizationSTEPTOE WATER/SEWER DISTRICT
Phone

Population & Service

Population Served210
Service Connections91

Drinking Water Violations (290)

This water system has 290 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes 10 mg/L Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2021 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Dec 31, 2023 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Dec 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MR No No 5% of samples Resolved Aug 31, 2015 Total Coliform Rule
Jul 1, 2015 Consumer Confidence Rule Other No No Resolved Sep 23, 2015 Consumer Confidence Rule
Jul 1, 2014 Consumer Confidence Rule Other No No Resolved Dec 15, 2014 Consumer Confidence Rule
Jul 1, 2012 Consumer Confidence Rule Other No No Resolved Sep 18, 2012 Consumer Confidence Rule
Dec 1, 2006 Dec 31, 2006 Coliform (TCR) MR No No 5% of samples Archived Dec 31, 2006 Total Coliform Rule
Aug 1, 2006 Aug 31, 2006 Coliform (TCR) MR No No 5% of samples Archived Aug 31, 2006 Total Coliform Rule
Jun 1, 2006 Jun 30, 2006 Coliform (TCR) MR No No 5% of samples Archived Jun 30, 2006 Total Coliform Rule
Jan 1, 2006 Dec 31, 2006 cis-1,2-Dichloroethylene MR No Yes 0.07 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 DICHLOROMETHANE MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 cis-1,2-Dichloroethylene MR No Yes 0.07 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Carbon tetrachloride MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1,1-Trichloroethane MR No Yes 0.2 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Vinyl chloride MR No Yes 0.002 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Vinyl chloride MR No Yes 0.002 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 DICHLOROMETHANE MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Vinyl chloride MR No Yes 0.002 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 trans-1,2-Dichloroethylene MR No Yes 0.1 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 trans-1,2-Dichloroethylene MR No Yes 0.1 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Vinyl chloride MR No Yes 0.002 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 DICHLOROMETHANE MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2-Dichloroethane MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2-Dichloroethane MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2-Dichloroethane MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 trans-1,2-Dichloroethylene MR No Yes 0.1 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Dec 31, 2006 1,1,1-Trichloroethane MR No Yes 0.2 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Vinyl chloride MR No Yes 0.002 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 DICHLOROMETHANE MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Carbon tetrachloride MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2-Dichloroethane MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Dec 31, 2006 1,1,1-Trichloroethane MR No Yes 0.2 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Dec 31, 2006 trans-1,2-Dichloroethylene MR No Yes 0.1 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 DICHLOROMETHANE MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 cis-1,2-Dichloroethylene MR No Yes 0.07 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1,1-Trichloroethane MR No Yes 0.2 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1,1-Trichloroethane MR No Yes 0.2 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2-Dichloroethane MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Carbon tetrachloride MR No Yes 0.005 mg/L Resolved Dec 31, 2006 Volatile Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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