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	Dec 19, 2025

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 (30)

This water system has 30 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, 2018	Mar 31, 2018	Combined Uranium	MR	No	Yes	—	30 ug/L	—	Archived	Mar 31, 2018	Radionuclides and Revised Rad Rule
Jan 1, 2018	Mar 31, 2018	Combined Uranium	MR	No	Yes	—	30 ug/L	—	Archived	Mar 31, 2018	Radionuclides and Revised Rad Rule
Jan 1, 2018	Mar 31, 2018	Radium-228	MR	No	Yes	—	—	—	Archived	Mar 31, 2018	Radionuclides and Revised Rad Rule
Jan 1, 2018	Mar 31, 2018	Radium-228	MR	No	Yes	—	—	—	Archived	Mar 31, 2018	Radionuclides and Revised Rad Rule
Jan 1, 2018	Mar 31, 2018	Radium-226	MR	No	Yes	—	—	—	Archived	Mar 31, 2018	Radionuclides and Revised Rad Rule
Jan 1, 2018	Mar 31, 2018	Radium-226	MR	No	Yes	—	—	—	Archived	Mar 31, 2018	Radionuclides and Revised Rad Rule
Jan 1, 2018	Mar 31, 2018	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Archived	Mar 31, 2018	Radionuclides and Revised Rad Rule
Jan 1, 2018	Mar 31, 2018	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Archived	Mar 31, 2018	Radionuclides and Revised Rad Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2013	Total Coliform Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2013	Total Coliform Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2013	Total Coliform Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2013	Total Coliform Rule
Feb 1, 2012	Feb 29, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Feb 29, 2012	Total Coliform Rule
Feb 1, 2012	Feb 29, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Feb 29, 2012	Total Coliform Rule
Dec 30, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 19, 2013	Lead and Copper Rule
Dec 30, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 19, 2013	Lead and Copper Rule
Dec 30, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 19, 2013	Lead and Copper Rule
Jan 1, 2005	Dec 31, 2007	Atrazine	MR	No	Yes	—	0.003 mg/L	—	Resolved	Dec 31, 2007	Synthetic Organic Chemicals
Dec 1, 2002	Dec 31, 2002	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 2002	Total Coliform 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	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2004	Arsenic Rule
Jan 1, 2002	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 13, 2007	Lead and Copper Rule
Oct 1, 2001	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 13, 2007	Lead and Copper Rule
Oct 1, 1998	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 13, 2007	Lead and Copper Rule
Jan 1, 1998	Dec 31, 1998	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1998	Nitrate Rule
Jan 1, 1996	Dec 31, 1998	Di(2-ethylhexyl) phthalate	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 1998	Synthetic Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Di(2-ethylhexyl) phthalate	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 1998	Synthetic Organic Chemicals
Jun 1, 1992	Jun 30, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1992	Total Coliform Rule
Oct 1, 1991	Oct 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	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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