COLTON WATER DEPARTMENT

Washington — Community Water System — PWSID: WA5314100

System Information

PWSIDWA5314100
System NameCOLTON WATER DEPARTMENT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityColton
ZIP Code99113
AddressPO Box 157
OrganizationCOLTON WATER DEPARTMENT
Phone

Population & Service

Population Served632
Service Connections203

Drinking Water Violations (46)

This water system has 46 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, 2018 Dec 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2017 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Consumer Confidence Rule Other No No Resolved Oct 26, 2016 Consumer Confidence Rule
Jul 1, 2014 Consumer Confidence Rule Other No No Resolved Oct 17, 2014 Consumer Confidence Rule
Jul 1, 2013 Consumer Confidence Rule Other No No Resolved Oct 8, 2013 Consumer Confidence Rule
Jan 1, 2008 Dec 31, 2010 Atrazine MR No Yes 0.003 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Methoxychlor MR No Yes 0.04 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Pentachlorophenol MR No Yes 0.001 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 BHC-GAMMA MR No Yes 0.0002 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Hexachlorocyclopentadiene MR No Yes 0.05 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Pentachlorophenol MR No Yes 0.001 mg/L Archived Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Heptachlor epoxide MR No Yes 0.0002 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Chlordane MR No Yes 0.002 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Benzo(a)pyrene MR No Yes 0.0002 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Heptachlor MR No Yes 0.0004 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 LASSO MR No Yes Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Simazine MR No Yes 0.004 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Di(2-ethylhexyl) adipate MR No Yes 0.4 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Toxaphene MR No Yes 0.003 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Endrin MR No Yes 0.002 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 2,4,5-TP MR No Yes 0.05 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Dinoseb MR No Yes 0.007 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Picloram MR No Yes 0.5 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Dalapon MR No Yes 0.2 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 HEXACHLOROBENZENE MR No Yes 0.001 mg/L Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 Nickel MR No Yes Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Thallium, Total MR No Yes 0.002 mg/L Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Beryllium, Total MR No Yes 0.004 mg/L Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Beryllium, Total MR No Yes 0.004 mg/L Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Beryllium, Total MR No Yes 0.004 mg/L Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 CYANIDE MR No Yes 0.2 mg/L Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Nickel MR No Yes Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Nickel MR No Yes Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 CYANIDE MR No Yes 0.2 mg/L Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 CYANIDE MR No Yes 0.2 mg/L Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Antimony, Total MR No Yes 0.006 mg/L Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Antimony, Total MR No Yes 0.006 mg/L Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Thallium, Total MR No Yes 0.002 mg/L Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Thallium, Total MR No Yes 0.002 mg/L Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Antimony, Total MR No Yes 0.006 mg/L Resolved Dec 31, 2004 Inorganic Chemicals
Aug 1, 1993 Aug 31, 1993 Coliform (TCR) MR No Yes 5% of samples Archived Aug 31, 1993 Total Coliform Rule
May 1, 1993 May 31, 1993 Coliform (TCR) MCL Yes No 5% of samples Archived May 31, 1993 Total Coliform Rule
Aug 1, 1992 Aug 31, 1992 Coliform (TCR) MR No Yes 5% of samples Archived Aug 31, 1992 Total Coliform Rule
Oct 1, 1979 Oct 31, 1979 Gross Alpha, Excl. Radon and U MR No No 15 pCi/L Archived Oct 31, 1979 Radionuclides and Revised Rad Rule

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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