CURLEW WATER & SEWER DISTRICT

Washington — Community Water System — PWSID: WA5316900

System Information

PWSID	WA5316900
System Name	CURLEW WATER & SEWER DISTRICT
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	10
Serves School	No
Wholesaler	No
First Reported	Feb 7, 1981
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	Republic
ZIP Code	99166
Address	PO Box 795
Organization	CURLEW WATER & SEWER DISTRICT
Phone	—

Population & Service

Population Served	316
Service Connections	59

Drinking Water Violations (61)

This water system has 61 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, 2022	Dec 31, 2022	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2022	Nitrate Rule
Nov 1, 2020	Nov 30, 2020	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Nov 30, 2020	Revised Total Coliform Rule
Aug 1, 2019	Aug 31, 2019	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Aug 31, 2019	Revised Total Coliform Rule
Jul 1, 2018	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 19, 2018	Consumer Confidence Rule
Jan 1, 2017	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 22, 2020	Lead and Copper Rule
Jan 1, 2017	Dec 31, 2017	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2017	Nitrate Rule
Jul 1, 2015	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 2, 2015	Consumer Confidence Rule
Jan 1, 2008	Dec 31, 2010	Aldicarb	MR	No	Yes	—	—	—	Archived	Dec 31, 2010	Synthetic Organic Chemicals
Jan 1, 2008	Dec 31, 2010	Carbofuran	MR	No	Yes	—	0.04 mg/L	—	Archived	Dec 31, 2010	Synthetic Organic Chemicals
Jan 1, 2008	Dec 31, 2010	Aldicarb sulfoxide	MR	No	Yes	—	—	—	Archived	Dec 31, 2010	Synthetic Organic Chemicals
Jan 1, 2008	Dec 31, 2010	OXAMYL	MR	No	Yes	—	0.2 mg/L	—	Archived	Dec 31, 2010	Synthetic Organic Chemicals
Jan 1, 2008	Dec 31, 2010	Aldicarb sulfone	MR	No	Yes	—	—	—	Archived	Dec 31, 2010	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Mercury	MR	No	Yes	—	0.002 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	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	Thallium, Total	MR	No	Yes	—	0.002 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	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2004	Arsenic Rule
Jan 1, 2002	Dec 31, 2004	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2004	Arsenic Rule
Jan 1, 2002	Dec 31, 2004	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2004	Arsenic Rule
Jan 1, 2002	Dec 31, 2004	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Barium	MR	No	Yes	—	2 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	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	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Fluoride	MR	No	Yes	—	4.0 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	Antimony, Total	MR	No	Yes	—	0.006 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	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Dec 1, 1999	Dec 31, 1999	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Dec 31, 1999	Total Coliform Rule
May 1, 1996	May 31, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	May 31, 1996	Total Coliform 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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