MEDICINE LAKE, MT · Sheridan County

MEDICINE LAKE TOWN OF Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Montana’s official records. Always confirm current status with Montana before making decisions based on this information.

System facts

System ID (PWSID): MT0000289
System type: Community Water System
Population served: 600
Service connections: 170
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2017 – February 5, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2015 – June 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2015 – June 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2015 – March 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2011 – October 31, 2011
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 2004 – June 2, 2006
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2003 – June 2, 2006
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2002 – June 2, 2006
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2002 – June 30, 2002
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 2002 – June 2, 2006
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2001 – December 31, 2001
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2001 – December 31, 2001
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2001 – June 30, 2001
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2001 – December 31, 2001
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2001 – June 30, 2001
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2000 – December 31, 2000
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2000 – June 30, 2000
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1997 – December 31, 1997
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 1993 – December 31, 1993
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
December 30, 2017 – February 5, 2018	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2014 – December 31, 2014	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2011 – October 31, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2004 – June 2, 2006	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 2003 – June 2, 2006	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 2002 – June 2, 2006	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 2002 – June 30, 2002	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2002 – June 2, 2006	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 2001 – December 31, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2001 – December 31, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2001 – June 30, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2001 – June 30, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2000 – December 31, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2000 – June 30, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 1997 – December 31, 1997	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1993 – December 31, 1993	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

February 5, 2018State Compliance achieved1 linked violation
January 31, 2018State Violation/Reminder Notice1 linked violation
July 21, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 21, 2017State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 21, 2017State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 21, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 12, 2017State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 12, 2017State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 7, 2015State Compliance achieved1 linked violation
August 7, 2015State Compliance achieved1 linked violation
August 7, 2015State Compliance achieved1 linked violation
August 7, 2015State Compliance achieved1 linked violation
August 7, 2015State Compliance achieved2 linked violations
August 7, 2015State Compliance achieved1 linked violation
August 7, 2015State Compliance achieved1 linked violation
June 2, 2015State Public Notification requested1 linked violation
June 2, 2015State Violation/Reminder Notice1 linked violation
June 2, 2015State Violation/Reminder Notice1 linked violation
June 2, 2015State Public Notification requested1 linked violation
April 20, 2015State Public Notification requested1 linked violation
April 20, 2015State Violation/Reminder Notice1 linked violation
April 20, 2015State Violation/Reminder Notice1 linked violation
April 20, 2015State Public Notification requested1 linked violation
January 12, 2015State Violation/Reminder Notice2 linked violations
January 12, 2015State Public Notification requested2 linked violations
November 24, 2014State Public Notification received2 linked violations
October 16, 2014State Violation/Reminder Notice1 linked violation
October 16, 2014State Public Notification requested1 linked violation
October 16, 2014State Violation/Reminder Notice1 linked violation
October 16, 2014State Public Notification requested1 linked violation
December 7, 2011State Public Notification received1 linked violation
November 28, 2011State Violation/Reminder Notice1 linked violation
November 28, 2011State Public Notification requested1 linked violation
November 7, 2011State Compliance achieved1 linked violation
September 5, 2006State Public Notification received2 linked violations
June 2, 2006State Compliance achieved6 linked violations
January 3, 2005State Public Notification requested11 linked violations
January 3, 2005State Public Notification requested6 linked violations
January 3, 2005State Public Notification requested5 linked violations
January 3, 2005State Violation/Reminder Notice5 linked violations
January 3, 2005State Violation/Reminder Notice6 linked violations
January 3, 2005State Public Notification requested8 linked violations
January 3, 2005State Public Notification requested13 linked violations
September 20, 2004State Other5 linked violations
December 3, 2002State Compliance achieved1 linked violation
April 19, 2002State Violation/Reminder Notice1 linked violation
April 19, 2002State Public Notification requested1 linked violation
May 15, 2001State Compliance achieved1 linked violation
March 11, 1994State Formal Notice of Violation issued3 linked violations
March 11, 1994State Compliance achieved4 linked violations

Contact

SWALLERS, LORI

406-789-2422

MEDICINE LAKE, MT 59247