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	Dec 19, 2025

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 (41)

This water system has 41 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 2, 2025	—	LEAD AND COPPER RULE REVISIONS	RPT	No	No	—	—	—	Unaddressed	—	Lead and Copper Rule Revisions
Jul 2, 2025	—	LEAD AND COPPER RULE REVISIONS	RPT	No	No	—	—	—	Unaddressed	—	Lead and Copper Rule Revisions
Jul 2, 2025	—	LEAD AND COPPER RULE REVISIONS	RPT	No	No	—	—	—	Unaddressed	—	Lead and Copper Rule Revisions
Jul 2, 2025	—	LEAD AND COPPER RULE REVISIONS	RPT	No	No	—	—	—	Unaddressed	—	Lead and Copper Rule Revisions
Jun 1, 2010	Jun 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2010	Total Coliform Rule
Jun 1, 2010	Jun 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2010	Total Coliform Rule
Jun 1, 2010	Jun 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2010	Total Coliform Rule
Jun 1, 2010	Jun 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2010	Total Coliform Rule
Jun 1, 2010	Jun 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2010	Total Coliform Rule
Jul 1, 2009	Jul 31, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2009	Total Coliform Rule
Jun 1, 2009	Jun 30, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2009	Total Coliform Rule
Jan 1, 1999	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jan 1, 1999	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Sep 1, 1998	Sep 30, 1998	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 1998	Total Coliform Rule
Jul 1, 1998	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jul 1, 1998	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jan 1, 1998	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jan 1, 1998	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jul 1, 1997	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jul 1, 1997	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jan 1, 1997	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jan 1, 1997	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jan 1, 1997	Dec 31, 1997	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1997	Nitrate Rule
Jul 1, 1996	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jul 1, 1996	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jul 1, 1996	Jul 31, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Jul 31, 1996	Total Coliform Rule
Jan 1, 1996	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jan 1, 1996	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jul 1, 1995	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jul 1, 1995	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jul 1, 1995	Jul 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 1995	Total Coliform Rule
Jan 1, 1995	Dec 31, 1995	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1995	Nitrate Rule
Jul 1, 1994	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Jul 1, 1994	Dec 31, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1999	Lead and Copper Rule
Feb 1, 1993	Feb 28, 1993	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Feb 28, 1993	Total Coliform Rule
Oct 1, 1991	Dec 31, 1991	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Dec 31, 1991	Total Coliform Rule
Oct 1, 1991	Oct 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	Total Coliform Rule
Aug 1, 1991	Aug 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Aug 31, 1991	Total Coliform Rule
Jul 1, 1991	Jul 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 1991	Total Coliform Rule
Jan 1, 1991	Jan 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jan 31, 1991	Total Coliform Rule
—	—		—	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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