ST REGIS SCHOOL OLD BLDG

Montana — Non-Transient Non-Community — PWSID: MT0002488

System Information

PWSID	MT0002488
System Name	ST REGIS SCHOOL OLD BLDG
System Type	Non-Transient Non-Community
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	08
Serves School	Yes
Wholesaler	No
First Reported	Jan 28, 1982
Last Reported	Jan 5, 2026

Location & Contact

State	Montana
City	ST REGIS
ZIP Code	59866
Address	PO BOX 280
Organization	HILL, TINA
Phone	406-649-2311

Population & Service

Population Served	176
Service Connections	3

Drinking Water Violations (82)

This water system has 82 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
Oct 1, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Nov 5, 2018	Lead and Copper Rule
Oct 1, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Nov 5, 2018	Lead and Copper Rule
Oct 1, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Nov 5, 2018	Lead and Copper Rule
Dec 30, 2015	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 20, 2018	Lead and Copper Rule
Dec 30, 2015	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 20, 2018	Lead and Copper Rule
Jan 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Mar 7, 2011	Lead and Copper Rule
Jan 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Mar 7, 2011	Lead and Copper Rule
Nov 1, 2007	Nov 30, 2007	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2007	Total Coliform Rule
Nov 1, 2007	Nov 30, 2007	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2007	Total Coliform Rule
Nov 1, 2007	Nov 30, 2007	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2007	Total Coliform Rule
Nov 1, 2005	Nov 30, 2005	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2005	Total Coliform Rule
Nov 1, 2005	Nov 30, 2005	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2005	Total Coliform Rule
Nov 1, 2005	Nov 30, 2005	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2005	Total Coliform Rule
Oct 1, 1999	Oct 31, 1999	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 1999	Total Coliform Rule
Oct 1, 1999	Oct 31, 1999	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 1999	Total Coliform Rule
Jan 1, 1999	Dec 31, 1999	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1999	Nitrate Rule
Jan 1, 1999	Dec 31, 1999	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1999	Nitrate Rule
Jan 1, 1999	Dec 31, 1999	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1999	Nitrate Rule
Jan 1, 1997	Dec 31, 1997	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1997	Nitrate Rule
Jan 1, 1996	Dec 31, 1998	Dalapon	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 1998	Synthetic Organic Chemicals
Jan 1, 1996	Dec 31, 1998	1,1,1-Trichloroethane	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals
Jan 1, 1996	Dec 31, 1998	2,4-D	MR	No	Yes	—	0.07 mg/L	—	Resolved	Dec 31, 1998	Synthetic Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 1998	Arsenic Rule
Jan 1, 1996	Dec 31, 1998	Carbon tetrachloride	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals
Jan 1, 1996	Dec 31, 1998	OXAMYL	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 1998	Synthetic Organic Chemicals
Jan 1, 1996	Dec 31, 1998	trans-1,2-Dichloroethylene	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Atrazine	MR	No	Yes	—	0.003 mg/L	—	Resolved	Dec 31, 1998	Synthetic Organic Chemicals
Jan 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 25, 1997	Lead and Copper Rule
Jan 1, 1996	Dec 31, 1998	DICHLOROMETHANE	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Benzene	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 1998	Inorganic Chemicals
Jan 1, 1996	Dec 31, 1998	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 1998	Inorganic Chemicals
Jan 1, 1996	Dec 31, 1998	Styrene	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals
Jan 1, 1996	Dec 31, 1998	1,2,4-Trichlorobenzene	MR	No	Yes	—	0.07 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals
Jan 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 25, 1997	Lead and Copper Rule
Jan 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 25, 1997	Lead and Copper Rule
Jan 1, 1996	Dec 31, 1998	Toluene	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Carbofuran	MR	No	Yes	—	0.04 mg/L	—	Resolved	Dec 31, 1998	Synthetic Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Aldicarb sulfone	MR	No	Yes	—	—	—	Resolved	Dec 31, 1998	Synthetic Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Tetrachloroethylene	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Simazine	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 1998	Synthetic Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Chlordane	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 1998	Synthetic Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Toxaphene	MR	No	Yes	—	0.003 mg/L	—	Resolved	Dec 31, 1998	Synthetic Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 1998	Inorganic Chemicals
Jan 1, 1996	Dec 31, 1998	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 1998	Inorganic Chemicals
Jan 1, 1996	Dec 31, 1998	Aldicarb	MR	No	Yes	—	—	—	Resolved	Dec 31, 1998	Synthetic Organic Chemicals
Jan 1, 1996	Dec 31, 1998	o-Dichlorobenzene	MR	No	Yes	—	0.6 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Vinyl chloride	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals
Jan 1, 1996	Dec 31, 1998	p-Dichlorobenzene	MR	No	Yes	—	0.075 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals
Jan 1, 1996	Dec 31, 1998	Xylenes, Total	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1998	Volatile Organic Chemicals

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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