MUSSELSHELL COMMUNITY COUNTY WSD

Montana — Community Water System — PWSID: MT0000296

System Information

PWSID	MT0000296
System Name	MUSSELSHELL COMMUNITY COUNTY WSD
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	MUSSELSHELL
ZIP Code	59059
Address	PO BOX 29
Organization	MUSSELSHELL COMMUNITY COUNTY WSD
Phone	406-947-5141

Population & Service

Population Served	75
Service Connections	38

Drinking Water Violations (42)

This water system has 42 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 1, 2020	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 22, 2020	Consumer Confidence Rule
Jul 1, 2020	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 22, 2020	Consumer Confidence Rule
Jan 1, 2013	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 22, 2013	Lead and Copper Rule
Jan 1, 2013	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 22, 2013	Lead and Copper Rule
Oct 1, 2010	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 21, 2010	Consumer Confidence Rule
Oct 1, 2010	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 21, 2010	Consumer Confidence Rule
Oct 1, 2010	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 21, 2010	Consumer Confidence Rule
Jul 1, 2008	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Aug 13, 2008	Consumer Confidence Rule
Jul 1, 2008	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Aug 13, 2008	Consumer Confidence Rule
Jul 1, 2008	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Aug 13, 2008	Consumer Confidence Rule
Oct 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 19, 2009	Lead and Copper Rule
Oct 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 19, 2009	Lead and Copper Rule
Oct 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 19, 2009	Lead and Copper Rule
Oct 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 19, 2009	Lead and Copper Rule
Jul 1, 2006	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Mar 5, 2007	Consumer Confidence Rule
Jul 1, 2006	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Mar 5, 2007	Consumer Confidence Rule
Jan 1, 2006	Dec 31, 2006	Di(2-ethylhexyl) phthalate	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2006	Synthetic Organic Chemicals
Jan 1, 2006	Dec 31, 2006	Di(2-ethylhexyl) phthalate	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2006	Synthetic Organic Chemicals
Jan 1, 2006	Dec 31, 2006	Di(2-ethylhexyl) phthalate	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2006	Synthetic Organic Chemicals
Jan 1, 2006	Dec 31, 2006	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2006	Nitrate Rule
Jan 1, 2006	Dec 31, 2006	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2006	Nitrate Rule
Jan 1, 2006	Dec 31, 2006	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2006	Nitrate Rule
Oct 1, 2004	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 19, 2009	Lead and Copper Rule
Oct 1, 2004	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 19, 2009	Lead and Copper Rule
Oct 1, 2004	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 19, 2009	Lead and Copper Rule
Jun 1, 2004	Jun 30, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2004	Total Coliform Rule
Jun 1, 2004	Jun 30, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2004	Total Coliform Rule
Jun 1, 2004	Jun 30, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2004	Total Coliform Rule
Jun 1, 2004	Jun 30, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2004	Total Coliform Rule
Jun 1, 2004	Jun 30, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2004	Total Coliform Rule
Jun 1, 2004	Jun 30, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2004	Total Coliform Rule
Jun 1, 2004	Jun 30, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2004	Total Coliform Rule
Jul 1, 2002	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 30, 2003	Consumer Confidence Rule
Jul 1, 2002	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 30, 2003	Consumer Confidence Rule
Feb 1, 1997	Feb 28, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 1997	Total Coliform Rule
Feb 1, 1997	Feb 28, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 1997	Total Coliform Rule
Jan 1, 1997	Jan 31, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 1997	Total Coliform Rule
Jan 1, 1997	Jan 31, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 1997	Total Coliform Rule
Jan 1, 1997	Jan 31, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 1997	Total Coliform Rule
Feb 1, 1995	Feb 28, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 1995	Total Coliform Rule
Feb 1, 1995	Feb 28, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 1995	Total Coliform Rule
Feb 1, 1995	Feb 28, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 1995	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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