CURTISS SERVICE CENTER

Montana — Transient Non-Community — PWSID: MT0003938

System Information

PWSID	MT0003938
System Name	CURTISS SERVICE CENTER
System Type	Transient Non-Community
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	08
Serves School	No
Wholesaler	No
First Reported	May 29, 1997
Last Reported	Jan 5, 2026

Location & Contact

State	Montana
City	SIMMS
ZIP Code	59477
Address	PO BOX 306
Organization	CURTISS, BOB
Phone	406-264-5640

Population & Service

Population Served	54
Service Connections	1

Drinking Water Violations (29)

This water system has 29 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
Jun 18, 2025	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jun 24, 2025	Ground Water Rule
Jun 18, 2025	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jun 24, 2025	Ground Water Rule
Jun 18, 2025	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jun 24, 2025	Ground Water Rule
Jul 1, 2022	Sep 30, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Sep 30, 2022	Revised Total Coliform Rule
Jul 1, 2022	Sep 30, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Sep 30, 2022	Revised Total Coliform Rule
Jul 1, 2022	Sep 30, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Sep 30, 2022	Revised Total Coliform Rule
Apr 1, 2021	Jun 30, 2021	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2021	Revised Total Coliform Rule
Apr 1, 2021	Jun 30, 2021	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2021	Revised Total Coliform Rule
Apr 1, 2021	Jun 30, 2021	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2021	Revised Total Coliform Rule
Apr 1, 2019	Jun 30, 2019	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2019	Revised Total Coliform Rule
Apr 1, 2019	Jun 30, 2019	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2019	Revised Total Coliform Rule
Apr 1, 2019	Jun 30, 2019	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2019	Revised Total Coliform Rule
Apr 1, 2012	Jun 30, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jun 30, 2012	Total Coliform Rule
Aug 12, 2011	—	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Mar 14, 2013	Ground Water Rule
Aug 12, 2011	—	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Mar 14, 2013	Ground Water Rule
Aug 12, 2011	—	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Mar 14, 2013	Ground Water Rule
Aug 12, 2011	—	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Mar 14, 2013	Ground Water Rule
Aug 12, 2011	—	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Mar 14, 2013	Ground Water Rule
Jul 1, 2006	Jul 31, 2006	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2006	Total Coliform Rule
Jul 1, 2006	Jul 31, 2006	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2006	Total Coliform Rule
Jul 1, 2006	Jul 31, 2006	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2006	Total Coliform Rule
Jul 1, 2006	Jul 31, 2006	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2006	Total Coliform Rule
Jul 1, 2006	Jul 31, 2006	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2006	Total Coliform Rule
Jan 1, 2001	Dec 31, 2001	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2001	Nitrate Rule
Jan 1, 2001	Dec 31, 2001	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2001	Nitrate Rule
Jan 1, 2001	Dec 31, 2001	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2001	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, 1999	Dec 31, 1999	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1999	Nitrate 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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