LUSTRE GRADE SCHOOL DIST NO 23

Montana — Non-Transient Non-Community — PWSID: MT0003263

System Information

PWSID	MT0003263
System Name	LUSTRE GRADE SCHOOL DIST NO 23
System Type	Non-Transient Non-Community
Water Source	Ground Water
Activity Status	Non-Inventory
Owner Type	Private
EPA Region	08
Serves School	Yes
Wholesaler	No
First Reported	Dec 28, 1988
Last Reported	Jan 5, 2026

Location & Contact

State	Montana
City	LUSTRE
ZIP Code	59225
Address	6 LUSTRE GRADE LN
Organization	KELLER, SHELLEY
Phone	406-392-5725

Population & Service

Population Served	57
Service Connections	3

Drinking Water Violations (209)

This water system has 209 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
May 7, 2024	—	E. COLI	MR	No	Yes	—	—	—	Archived	Jul 31, 2024	Ground Water Rule
May 7, 2024	—	E. COLI	MR	No	Yes	—	—	—	Archived	Jul 31, 2024	Ground Water Rule
Jan 1, 2014	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Oct 24, 2019	Lead and Copper Rule
Jan 1, 2014	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Oct 24, 2019	Lead and Copper Rule
Jan 1, 2012	Dec 31, 2012	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2012	Nitrate Rule
Jan 1, 2012	Dec 31, 2012	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2012	Nitrate Rule
Jan 1, 2012	Dec 31, 2012	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2012	Nitrate Rule
Jan 1, 2012	Dec 31, 2012	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2012	Nitrate Rule
Jan 1, 2011	Dec 31, 2013	Asbestos	MR	No	Yes	—	7 MFL	—	Resolved	Dec 31, 2013	Inorganic Chemicals
Jan 1, 2011	Dec 31, 2013	Asbestos	MR	No	Yes	—	7 MFL	—	Resolved	Dec 31, 2013	Inorganic Chemicals
Jan 1, 2011	Dec 31, 2013	Asbestos	MR	No	Yes	—	7 MFL	—	Resolved	Dec 31, 2013	Inorganic Chemicals
Oct 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 27, 2013	Lead and Copper Rule
Oct 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 27, 2013	Lead and Copper Rule
Oct 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 27, 2013	Lead and Copper Rule
Jan 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Oct 24, 2019	Lead and Copper Rule
Jan 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Oct 24, 2019	Lead and Copper Rule
Mar 1, 2009	Mar 31, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 31, 2009	Total Coliform Rule
Mar 1, 2009	Mar 31, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 31, 2009	Total Coliform Rule
Mar 1, 2009	Mar 31, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 31, 2009	Total Coliform Rule
Oct 1, 2004	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 27, 2007	Lead and Copper Rule
Oct 1, 2004	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 27, 2007	Lead and Copper Rule
Oct 1, 2004	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 27, 2007	Lead and Copper Rule
Jan 1, 2002	Dec 31, 2004	OXAMYL	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Toxaphene	MR	No	Yes	—	0.003 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Di(2-ethylhexyl) adipate	MR	No	Yes	—	0.4 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Aldicarb	MR	No	Yes	—	—	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Di(2-ethylhexyl) adipate	MR	No	Yes	—	0.4 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	OXAMYL	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	OXAMYL	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Dinoseb	MR	No	Yes	—	0.007 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Dinoseb	MR	No	Yes	—	0.007 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Aldicarb sulfone	MR	No	Yes	—	—	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Aldicarb	MR	No	Yes	—	—	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	DICHLOROMETHANE	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2004	Inorganic 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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