CHIEF PLENTY COUPS MUSEUM

Montana — Transient Non-Community — PWSID: MT0042412

System Information

PWSID	MT0042412
System Name	CHIEF PLENTY COUPS MUSEUM
System Type	Transient Non-Community
Water Source	Ground Water
Activity Status	Active
Owner Type	State
EPA Region	08
Serves School	No
Wholesaler	No
First Reported	Jul 1, 1987
Last Reported	Jan 5, 2026

Location & Contact

State	Montana
City	BILLINGS
ZIP Code	59105
Address	2300 LAKE ELMO DRIVE
Organization	GOOSMANN, JESSICA A
Phone	406-431-0135

Population & Service

Population Served	262
Service Connections	4

Drinking Water Violations (62)

This water system has 62 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
Apr 1, 2020	Apr 30, 2020	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Apr 30, 2020	Revised Total Coliform Rule
Apr 1, 2020	Apr 30, 2020	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Apr 30, 2020	Revised Total Coliform Rule
Apr 1, 2020	Apr 30, 2020	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Apr 30, 2020	Revised Total Coliform Rule
Jul 1, 2017	Jul 31, 2017	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jul 31, 2017	Revised Total Coliform Rule
Jul 1, 2017	Jul 31, 2017	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jul 31, 2017	Revised Total Coliform Rule
Jul 1, 2017	Jul 31, 2017	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jul 31, 2017	Revised Total Coliform Rule
Apr 1, 2016	Apr 30, 2016	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Apr 30, 2016	Ground Water Rule
Apr 1, 2016	Apr 30, 2016	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Apr 30, 2016	Ground Water Rule
Apr 1, 2016	Apr 30, 2016	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Apr 30, 2016	Ground Water Rule
Feb 1, 2016	Feb 29, 2016	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 29, 2016	Total Coliform Rule
Feb 1, 2016	Feb 29, 2016	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 29, 2016	Total Coliform Rule
Feb 1, 2016	Feb 29, 2016	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 29, 2016	Total Coliform Rule
Jan 1, 2016	Dec 31, 2016	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2016	Nitrate Rule
Jan 1, 2016	Dec 31, 2016	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2016	Nitrate Rule
Jan 1, 2016	Dec 31, 2016	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2016	Nitrate Rule
Oct 1, 2015	Oct 31, 2015	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Oct 31, 2015	Ground Water Rule
Oct 1, 2015	Oct 31, 2015	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Oct 31, 2015	Ground Water Rule
Oct 1, 2015	Oct 31, 2015	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Oct 31, 2015	Ground Water Rule
Sep 1, 2015	Sep 30, 2015	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Sep 30, 2015	Ground Water Rule
Sep 1, 2015	Sep 30, 2015	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Sep 30, 2015	Ground Water Rule
Sep 1, 2015	Sep 30, 2015	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Sep 30, 2015	Ground Water Rule
May 1, 2015	May 31, 2015	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	May 31, 2015	Ground Water Rule
May 1, 2015	May 31, 2015	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	May 31, 2015	Ground Water Rule
May 1, 2015	May 31, 2015	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	May 31, 2015	Ground Water Rule
Sep 1, 2014	Sep 30, 2014	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Sep 30, 2014	Ground Water Rule
Sep 1, 2014	Sep 30, 2014	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Sep 30, 2014	Ground Water Rule
Sep 1, 2014	Sep 30, 2014	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Sep 30, 2014	Ground Water Rule
Aug 1, 2014	Aug 31, 2014	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Aug 31, 2014	Ground Water Rule
Aug 1, 2014	Aug 31, 2014	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Aug 31, 2014	Ground Water Rule
Aug 1, 2014	Aug 31, 2014	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Aug 31, 2014	Ground Water Rule
Apr 1, 2014	Apr 30, 2014	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Apr 30, 2014	Ground Water Rule
Apr 1, 2014	Apr 30, 2014	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Apr 30, 2014	Ground Water Rule
Apr 1, 2014	Apr 30, 2014	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Apr 30, 2014	Ground Water Rule
May 1, 2012	May 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 10, 2012	Total Coliform Rule
May 1, 2012	May 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 10, 2012	Total Coliform Rule
May 1, 2012	May 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 10, 2012	Total Coliform Rule
Apr 1, 2006	Apr 30, 2006	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2006	Total Coliform Rule
Apr 1, 2006	Apr 30, 2006	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2006	Total Coliform Rule
Apr 1, 2006	Apr 30, 2006	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2006	Total Coliform Rule
Jan 1, 2003	Dec 31, 2003	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2003	Nitrate Rule
Jan 1, 2003	Dec 31, 2003	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2003	Nitrate Rule
Jan 1, 2003	Dec 31, 2003	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2003	Nitrate Rule
Jan 1, 2003	Dec 31, 2003	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2003	Nitrate Rule
Jul 1, 2000	Sep 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2000	Total Coliform Rule
Jul 1, 2000	Sep 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2000	Total Coliform Rule
Jul 1, 2000	Sep 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2000	Total Coliform Rule
Jul 1, 2000	Sep 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2000	Total Coliform Rule
Jul 1, 2000	Sep 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2000	Total Coliform Rule
Sep 1, 1999	Sep 30, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 1999	Total Coliform Rule
Sep 1, 1999	Sep 30, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 1999	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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