Custer Water Association

Washington — Community Water System — PWSID: WA5317050

System Information

PWSID	WA5317050
System Name	Custer Water Association
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	10
Serves School	No
Wholesaler	Yes
First Reported	Feb 7, 1981
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	Custer
ZIP Code	98240
Address	PO Box 575
Organization	Custer Water Association
Phone	—

Population & Service

Population Served	365
Service Connections	239

Drinking Water Violations (76)

This water system has 76 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
Jul 1, 2017	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Mar 15, 2018	Consumer Confidence Rule
Jul 1, 2016	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 12, 2016	Consumer Confidence Rule
Jul 1, 2015	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 9, 2015	Consumer Confidence Rule
Jul 1, 2014	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 16, 2014	Consumer Confidence Rule
Jul 1, 2012	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 16, 2012	Consumer Confidence Rule
Jul 1, 2011	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 7, 2011	Consumer Confidence Rule
Jul 1, 2010	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 29, 2010	Consumer Confidence Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate 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	—	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	—	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, 2005	Dec 31, 2007	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Jan 1, 2005	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Jan 1, 2005	Dec 31, 2007	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Jan 1, 2005	Dec 31, 2007	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2007	Inorganic 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.

Browse All Water Systems Water Safety Stats Water Safety Home

Browse All Water Systems Water Systems in Washington