EUREKA, MT · Lincoln County

EUREKA 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): MT0000210
System type: Community Water System
Population served: 1,995
Service connections: 747
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2017 – June 5, 2017
Resolved
Failure to Filter (SWTR)
Health-based
Surface Water Treatment Rule
August 22, 2011 – January 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2007 – December 31, 2007
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2004 – June 30, 2004
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2002 – December 31, 2002
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
July 1, 1993 – December 31, 1993
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2017 – June 5, 2017	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
August 22, 2011 – January 31, 2018	Failure to Filter (SWTR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2004 – June 30, 2004	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2002 – December 31, 2002	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
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

January 31, 2018State Compliance achieved1 linked violation
July 18, 2017State Public Notification requested2 linked violations
June 5, 2017State Compliance achieved1 linked violation
March 16, 2012State Administrative/Compliance Order without penalty issued1 linked violation
August 22, 2011State Other2 linked violations
August 22, 2011State Public Notification requested3 linked violations
October 8, 2010State Compliance achieved6 linked violations
April 3, 2009State Public Notification received7 linked violations
March 6, 2009State Public Notification requested6 linked violations
January 5, 2009State Compliance achieved5 linked violations
May 12, 2008State Compliance achieved45 linked violations
February 19, 2008State Compliance achieved18 linked violations
October 22, 2007State Compliance achieved3 linked violations
January 3, 2005State Public Notification requested1 linked violation
January 3, 2005State Violation/Reminder Notice3 linked violations
January 3, 2005State Public Notification requested2 linked violations
January 3, 2005State Violation/Reminder Notice1 linked violation
January 3, 2005State Public Notification requested3 linked violations
January 3, 2005State Violation/Reminder Notice5 linked violations
January 3, 2005State Public Notification requested2 linked violations
January 3, 2005State Public Notification requested5 linked violations
January 3, 2005State Public Notification requested6 linked violations

Contact

FLYNN, KEVIN A

406-253-3852

EUREKA, MT 59917