DEER LODGE CITY OF

Montana — Community Water System — PWSID: MT0000197

System Information

PWSID	MT0000197
System Name	DEER LODGE CITY OF
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	08
Serves School	No
Wholesaler	No
First Reported	Feb 13, 1979
Last Reported	Jan 5, 2026

Location & Contact

State	Montana
City	DEER LODGE
ZIP Code	59722
Address	300 MAIN ST
Organization	FREEMAN, TRENT
Phone	406-846-2238

Population & Service

Population Served	2,900
Service Connections	1,464

Drinking Water Violations (144)

This water system has 144 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, 2021	Dec 31, 2021	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2021	Nitrate Rule
Jan 1, 2021	Dec 31, 2021	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2021	Nitrate Rule
Jan 1, 2021	Dec 31, 2021	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2021	Nitrate Rule
Dec 30, 2017	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Mar 1, 2018	Lead and Copper Rule
Dec 30, 2017	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Mar 1, 2018	Lead and Copper Rule
Aug 1, 2014	Aug 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2014	Total Coliform Rule
Aug 1, 2014	Aug 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2014	Total Coliform Rule
Aug 1, 2014	Aug 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2014	Total Coliform Rule
Aug 1, 2014	Aug 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2014	Total Coliform Rule
Jul 1, 2014	Sep 30, 2014	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 24, 2014	Arsenic Rule
Jul 1, 2014	Sep 30, 2014	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 24, 2014	Arsenic Rule
Jul 1, 2014	Sep 30, 2014	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 24, 2014	Arsenic Rule
Apr 1, 2014	Jun 30, 2014	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 24, 2014	Arsenic Rule
Apr 1, 2014	Jun 30, 2014	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 24, 2014	Arsenic Rule
Apr 1, 2014	Jun 30, 2014	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 24, 2014	Arsenic Rule
Apr 1, 2014	Jun 30, 2014	Arsenic	MCL	Yes	No	.016 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2014	Arsenic Rule
Apr 1, 2014	Jun 30, 2014	Arsenic	MCL	Yes	No	.016 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2014	Arsenic Rule
Apr 1, 2014	Jun 30, 2014	Arsenic	MCL	Yes	No	.016 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2014	Arsenic Rule
Apr 1, 2014	Jun 30, 2014	Arsenic	MCL	Yes	No	.016 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2014	Arsenic Rule
Apr 1, 2014	Jun 30, 2014	Arsenic	MCL	Yes	No	.016 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2014	Arsenic Rule
Oct 1, 2013	Dec 31, 2013	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2013	Arsenic Rule
Oct 1, 2013	Dec 31, 2013	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2013	Arsenic Rule
Oct 1, 2013	Dec 31, 2013	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2013	Arsenic Rule
Oct 1, 2013	Dec 31, 2013	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2013	Arsenic Rule
Jul 1, 2013	Sep 30, 2013	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2013	Arsenic Rule
Jul 1, 2013	Sep 30, 2013	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2013	Arsenic Rule
Jul 1, 2013	Sep 30, 2013	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2013	Arsenic Rule
Jul 1, 2012	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 17, 2012	Consumer Confidence Rule
Jul 1, 2012	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 17, 2012	Consumer Confidence Rule
Jul 1, 2012	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 17, 2012	Consumer Confidence Rule
Nov 1, 2011	Nov 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2011	Total Coliform Rule
Nov 1, 2011	Nov 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2011	Total Coliform Rule
Nov 1, 2011	Nov 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2011	Total Coliform Rule
Jun 1, 2011	Jun 30, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2011	Total Coliform Rule
Jun 1, 2011	Jun 30, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2011	Total Coliform Rule
Jun 1, 2011	Jun 30, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2011	Total Coliform Rule
Jun 1, 2011	Jun 30, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2011	Total Coliform Rule
Jun 1, 2011	Jun 30, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2011	Total Coliform Rule
Oct 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 6, 2011	Lead and Copper Rule
Oct 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 6, 2011	Lead and Copper Rule
Oct 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 6, 2011	Lead and Copper Rule
Oct 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 6, 2011	Lead and Copper Rule
Jul 1, 2010	Jul 31, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2010	Total Coliform Rule
Jul 1, 2010	Jul 31, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2010	Total Coliform Rule
Jul 1, 2010	Jul 31, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2010	Total Coliform Rule
Jun 1, 2010	Jun 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2010	Total Coliform Rule
Jun 1, 2010	Jun 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2010	Total Coliform Rule
Jun 1, 2010	Jun 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2010	Total Coliform Rule
Jun 1, 2010	Jun 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2010	Total Coliform Rule
Jun 1, 2010	Jun 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2010	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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