ST CHARLES CITY OF

Idaho — Community Water System — PWSID: ID6040024

System Information

PWSID	ID6040024
System Name	ST CHARLES CITY OF
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	Mar 13, 1980
Last Reported	Mar 25, 2026

Location & Contact

State	Idaho
City	ST. CHARLES
ZIP Code	83223
Address	100 West
Organization	GUDMUNDSON, TYLER
Phone	208-569-9817

Population & Service

Population Served	191
Service Connections	206

Drinking Water Violations (74)

This water system has 74 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 2, 2025	—	RPT	No	No	—	—	—	Unaddressed	—	—
Jul 2, 2025	—	RPT	No	No	—	—	—	Unaddressed	—	—
Jul 2, 2025	—	RPT	No	No	—	—	—	Unaddressed	—	—
Jul 2, 2025	—	RPT	No	No	—	—	—	Unaddressed	—	—
Jun 1, 2010	Jun 30, 2010	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2010	—
Jun 1, 2010	Jun 30, 2010	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2010	—
Jun 1, 2010	Jun 30, 2010	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2010	—
Jun 1, 2010	Jun 30, 2010	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2010	—
Jun 1, 2010	Jun 30, 2010	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2010	—
Jul 1, 2009	Jul 31, 2009	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2009	—
Jun 1, 2009	Jun 30, 2009	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2009	—
Oct 1, 2008	Oct 31, 2008	MR	No	No	—	5% of samples	—	Archived	Oct 31, 2008	—
Oct 1, 2005	Oct 31, 2005	MR	No	No	—	5% of samples	—	Archived	Oct 31, 2005	—
Nov 1, 2003	Nov 30, 2003	MR	No	No	—	5% of samples	—	Archived	Nov 30, 2003	—
Jan 1, 1999	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Jan 1, 1999	Jan 31, 1999	MR	No	Yes	—	5% of samples	—	Archived	Jan 31, 1999	—
Jan 1, 1999	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Sep 1, 1998	Sep 30, 1998	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 1998	—
Jul 1, 1998	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Jul 1, 1998	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Apr 1, 1998	Apr 30, 1998	MCL	Yes	No	—	5% of samples	—	Archived	Apr 30, 1998	—
Jan 1, 1998	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Jan 1, 1998	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Jul 1, 1997	Jul 31, 1997	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 1997	—
Jul 1, 1997	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Jul 1, 1997	Jul 31, 1997	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 1997	—
Jul 1, 1997	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
May 1, 1997	May 31, 1997	MR	No	Yes	—	5% of samples	—	Archived	May 31, 1997	—
Jan 1, 1997	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Jan 1, 1997	Dec 31, 1997	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1997	—
Jan 1, 1997	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Dec 1, 1996	Dec 31, 1996	MR	No	Yes	—	5% of samples	—	Archived	Dec 31, 1996	—
Aug 1, 1996	Aug 31, 1996	MR	No	Yes	—	5% of samples	—	Archived	Aug 31, 1996	—
Jul 1, 1996	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Jul 1, 1996	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Jul 1, 1996	Jul 31, 1996	MR	No	Yes	—	5% of samples	—	Archived	Jul 31, 1996	—
Apr 1, 1996	Apr 30, 1996	MR	No	Yes	—	5% of samples	—	Archived	Apr 30, 1996	—
Feb 1, 1996	Feb 29, 1996	MR	No	Yes	—	5% of samples	—	Archived	Feb 29, 1996	—
Jan 1, 1996	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Jan 1, 1996	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Dec 1, 1995	Dec 31, 1995	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1995	—
Nov 1, 1995	Nov 30, 1995	MR	No	No	—	5% of samples	—	Archived	Nov 30, 1995	—
Nov 1, 1995	Nov 30, 1995	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1995	—
Oct 1, 1995	Oct 31, 1995	MR	No	No	—	5% of samples	—	Archived	Oct 31, 1995	—
Oct 1, 1995	Oct 31, 1995	MR	No	Yes	—	5% of samples	—	Archived	Oct 31, 1995	—
Sep 1, 1995	Sep 30, 1995	MCL	Yes	No	—	5% of samples	—	Archived	Sep 30, 1995	—
Aug 1, 1995	Aug 31, 1995	MR	No	No	—	5% of samples	—	Archived	Aug 31, 1995	—
Jul 1, 1995	Jul 31, 1995	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 1995	—
Jul 1, 1995	Dec 31, 1999	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	—
Jul 1, 1995	Jul 31, 1995	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 1995	—

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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