MACKAY CITY OF

Idaho — Community Water System — PWSID: ID7190032

System Information

PWSID	ID7190032
System Name	MACKAY 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	MACKAY
ZIP Code	83251
Address	PO BOX 509
Organization	MANGUM, RICHARD
Phone	208-588-2274

Population & Service

Population Served	566
Service Connections	400

Drinking Water Violations (41)

This water system has 41 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
Jan 1, 2018	Mar 31, 2018	MR	No	Yes	—	30 ug/L	—	Archived	Mar 31, 2018	—
Jan 1, 2018	Mar 31, 2018	MR	No	Yes	—	30 ug/L	—	Archived	Mar 31, 2018	—
Jan 1, 2018	Mar 31, 2018	MR	No	Yes	—	—	—	Archived	Mar 31, 2018	—
Jan 1, 2018	Mar 31, 2018	MR	No	Yes	—	—	—	Archived	Mar 31, 2018	—
Jan 1, 2018	Mar 31, 2018	MR	No	Yes	—	—	—	Archived	Mar 31, 2018	—
Jan 1, 2018	Mar 31, 2018	MR	No	Yes	—	—	—	Archived	Mar 31, 2018	—
Jan 1, 2018	Mar 31, 2018	MR	No	Yes	—	15 pCi/L	—	Archived	Mar 31, 2018	—
Jan 1, 2018	Mar 31, 2018	MR	No	Yes	—	15 pCi/L	—	Archived	Mar 31, 2018	—
Jul 1, 2013	Jul 31, 2013	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2013	—
Jul 1, 2013	Jul 31, 2013	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2013	—
Jul 1, 2013	Jul 31, 2013	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2013	—
Jul 1, 2013	Jul 31, 2013	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2013	—
Feb 1, 2012	Feb 29, 2012	MCL	Yes	No	—	5% of samples	—	Archived	Feb 29, 2012	—
Feb 1, 2012	Feb 29, 2012	MCL	Yes	No	—	5% of samples	—	Archived	Feb 29, 2012	—
Dec 30, 2010	—	MR	No	No	—	TT	—	Resolved	Jul 19, 2013	—
Dec 30, 2010	—	MR	No	No	—	TT	—	Resolved	Jul 19, 2013	—
Dec 30, 2010	—	MR	No	No	—	TT	—	Resolved	Jul 19, 2013	—
Feb 1, 2005	Feb 28, 2005	MCL	Yes	No	—	5% of samples	—	Archived	Feb 28, 2005	—
Jan 1, 2005	Dec 31, 2007	MR	No	Yes	—	0.003 mg/L	—	Resolved	Dec 31, 2007	—
Jan 1, 2005	Dec 31, 2007	MR	No	Yes	—	0.003 mg/L	—	Resolved	Dec 31, 2007	—
Jan 1, 2005	Dec 31, 2007	MR	No	Yes	—	0.003 mg/L	—	Resolved	Dec 31, 2007	—
Oct 1, 2003	Oct 31, 2003	MR	No	No	—	5% of samples	—	Archived	Oct 31, 2003	—
Dec 1, 2002	Dec 31, 2002	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 2002	—
Jan 1, 2002	Dec 31, 2004	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2004	—
Jan 1, 2002	—	MR	No	No	—	TT	—	Resolved	Sep 13, 2007	—
Jan 1, 2002	Dec 31, 2004	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2004	—
Jan 1, 2002	Dec 31, 2004	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2004	—
Oct 1, 2001	—	MR	No	No	—	TT	—	Resolved	Sep 13, 2007	—
Aug 1, 1999	Aug 31, 1999	MCL	Yes	No	—	5% of samples	—	Archived	Aug 31, 1999	—
Oct 1, 1998	—	MR	No	No	—	TT	—	Resolved	Sep 13, 2007	—
Jan 1, 1998	Dec 31, 1998	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1998	—
Jan 1, 1996	Dec 31, 1998	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 1998	—
Jan 1, 1996	Dec 31, 1998	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 1998	—
Jan 1, 1996	Dec 31, 1998	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 1998	—
Oct 1, 1994	Oct 31, 1994	MR	No	No	—	5% of samples	—	Archived	Oct 31, 1994	—
Aug 1, 1994	Aug 31, 1994	MR	No	Yes	—	5% of samples	—	Archived	Aug 31, 1994	—
Nov 1, 1993	Nov 30, 1993	MR	No	Yes	—	5% of samples	—	Archived	Nov 30, 1993	—
Oct 1, 1993	Oct 31, 1993	MR	No	No	—	5% of samples	—	Archived	Oct 31, 1993	—
Jan 1, 1993	Jan 31, 1993	MR	No	No	—	5% of samples	—	Archived	Jan 31, 1993	—
Jun 1, 1992	Jun 30, 1992	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1992	—
Oct 1, 1991	Oct 31, 1991	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	—

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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