OLD SETTLERS WATER ASSOCIATION

Washington — Community Water System — PWSID: WA5363350

System Information

PWSID	WA5363350
System Name	OLD SETTLERS WATER ASSOCIATION
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	10
Serves School	No
Wholesaler	No
First Reported	Feb 7, 1981
Last Reported	Mar 26, 2026

Location & Contact

State	Washington
City	Custer
ZIP Code	98240
Address	PO Box 604
Organization	OLD SETTLERS WATER ASSOCIATION
Phone	—

Population & Service

Population Served	540
Service Connections	208

Drinking Water Violations (39)

This water system has 39 violations recorded in the EPA SDWIS database.

Begin Date	End Date	Category	Health-Based	Major	Measured	Federal MCL	State MCL	Status	Return to Compliance	Rule
Jul 1, 2025	—	Other	No	No	—	—	—	Resolved	Sep 6, 2025	—
Jul 1, 2024	—	Other	No	No	—	—	—	Resolved	Sep 28, 2024	—
Jan 1, 2019	Dec 31, 2019	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2019	—
Jul 1, 2016	—	Other	No	No	—	—	—	Resolved	Nov 28, 2016	—
Jul 1, 2014	—	Other	No	No	—	—	—	Resolved	Dec 29, 2014	—
Jul 1, 2011	—	Other	No	No	—	—	—	Resolved	Oct 13, 2011	—
Jan 1, 2004	Dec 31, 2004	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2004	—
Jun 1, 1995	Jun 30, 1995	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1995	—
May 1, 1994	May 31, 1994	MCL	Yes	No	—	5% of samples	—	Archived	May 31, 1994	—
Oct 1, 1992	Oct 31, 1992	MR	No	No	—	5% of samples	—	Archived	Oct 31, 1992	—
Sep 1, 1992	Sep 30, 1992	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 1992	—
Jul 1, 1992	Jul 31, 1992	MR	No	No	—	5% of samples	—	Archived	Jul 31, 1992	—
Jun 1, 1992	Jun 30, 1992	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1992	—
Jun 1, 1992	Jun 30, 1992	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1992	—
Jun 1, 1992	Jun 30, 1992	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1992	—
Mar 1, 1992	Mar 31, 1992	MR	No	Yes	—	5% of samples	—	Archived	Mar 31, 1992	—
Feb 1, 1992	Feb 29, 1992	MR	No	Yes	—	5% of samples	—	Archived	Feb 29, 1992	—
Jan 1, 1992	Jan 31, 1992	MR	No	Yes	—	5% of samples	—	Archived	Jan 31, 1992	—
Dec 1, 1991	Dec 31, 1991	MR	No	Yes	—	5% of samples	—	Archived	Dec 31, 1991	—
Nov 1, 1991	Nov 30, 1991	MR	No	No	—	5% of samples	—	Archived	Nov 30, 1991	—
Nov 1, 1991	Nov 30, 1991	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1991	—
Nov 1, 1991	Nov 30, 1991	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1991	—
Nov 1, 1991	Nov 30, 1991	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1991	—
Oct 1, 1991	Oct 31, 1991	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	—
Oct 1, 1991	Oct 31, 1991	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	—
Oct 1, 1991	Oct 31, 1991	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	—
Oct 1, 1991	Oct 31, 1991	MR	No	Yes	—	5% of samples	—	Archived	Oct 31, 1991	—
Oct 1, 1979	Oct 31, 1979	MR	No	No	—	0.002 mg/L	—	Archived	Oct 31, 1979	—
Oct 1, 1979	Oct 31, 1979	MR	No	No	—	10 mg/L	—	Archived	Oct 31, 1979	—
Oct 1, 1979	Oct 31, 1979	MR	No	No	—	4.0 mg/L	—	Archived	Oct 31, 1979	—
Oct 1, 1979	Oct 31, 1979	MR	No	No	—	0.005 mg/L	—	Archived	Oct 31, 1979	—
Oct 1, 1979	Oct 31, 1979	MR	No	No	—	2 mg/L	—	Archived	Oct 31, 1979	—
Oct 1, 1979	Oct 31, 1979	MR	No	No	—	0.010 mg/L	—	Archived	Oct 31, 1979	—
Oct 1, 1979	Oct 31, 1979	MR	No	No	—	15 pCi/L	—	Archived	Oct 31, 1979	—
Oct 1, 1979	Oct 31, 1979	MR	No	No	—	0.1 mg/L	—	Archived	Oct 31, 1979	—
Oct 1, 1979	Oct 31, 1979	MR	No	No	—	0.05 mg/L	—	Archived	Oct 31, 1979	—
—	—	—	No	No	—	—	—	—	—	—
—	—	—	No	No	—	—	—	—	—	—
—	—	—	No	No	—	—	—	—	—	—

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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