Is MEDICINE LAKE TOWN OF required to publish a Consumer Confidence Report?

Yes. MEDICINE LAKE TOWN OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is MEDICINE LAKE TOWN OF’s next Consumer Confidence Report due?

MEDICINE LAKE TOWN OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

MEDICINE LAKE, MT · Sheridan County

MEDICINE LAKE TOWN OF Water System

Consumer Confidence Report status

MEDICINE LAKE TOWN OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for MEDICINE LAKE TOWN OF.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)

MEDICINE LAKE TOWN OF is one of 123 community water systems in Montana in the 501 to 3,300 people size category, serving 600 people from surface water.

As of August 1, 2026, its federal record holds 19 entries between 1993 and 2017, all of which EPA lists as closed. Nothing has been added since 2017.

Of the 19, 13 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Lead and Copper Rule, the Stage 2 Disinfectants and Disinfection Byproducts Rule, and inorganic chemicals.

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2017 – February 5, 2018
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)
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
TTHM
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
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 2005 – June 2, 2006
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 2004 – June 2, 2006
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2003 – December 31, 2003
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
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
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
July 1, 2000 – December 31, 2000
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2000 – June 30, 2000
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	TTHM	Health-based	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Average	TTHM	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
January 1, 2005 – June 2, 2006	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 2004 – June 2, 2006	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 2003 – December 31, 2003	Water Quality Parameter M/R	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 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
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
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
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 achieved2 linked violations
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 achieved1 linked violation
August 7, 2015State Compliance achieved1 linked violation
June 2, 2015State Violation/Reminder Notice1 linked violation
June 2, 2015State Public Notification requested1 linked violation
June 2, 2015State Violation/Reminder Notice1 linked violation
June 2, 2015State Public Notification requested1 linked violation
April 20, 2015State Violation/Reminder Notice1 linked violation
April 20, 2015State Public Notification requested1 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 Public Notification requested1 linked violation
October 16, 2014State Violation/Reminder Notice1 linked violation
October 16, 2014State Public Notification requested1 linked violation
October 16, 2014State Violation/Reminder Notice1 linked violation
December 7, 2011State Public Notification received1 linked violation
November 28, 2011State Public Notification requested1 linked violation
November 28, 2011State Violation/Reminder Notice1 linked violation
November 7, 2011State Compliance achieved1 linked violation
January 7, 2009State Compliance achieved3 linked violations
June 2, 2006State Compliance achieved6 linked violations
February 28, 2006State Compliance achieved6 linked violations
September 9, 2005State Public Notification received35 linked violations
January 3, 2005State Public Notification requested8 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
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

Common questions

Is MEDICINE LAKE TOWN OF required to publish a Consumer Confidence Report?: Yes. MEDICINE LAKE TOWN OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is MEDICINE LAKE TOWN OF’s next Consumer Confidence Report due?: MEDICINE LAKE TOWN OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MEDICINE LAKE TOWN OF have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for MEDICINE LAKE TOWN OF.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

SWALLERS, LORI

406-789-2422

MEDICINE LAKE, MT 59247