EUREKA, MT · Lincoln County

CARPENTER LAKE HOA 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): MT0003694
System type: Community Water System
Population served: 65
Service connections: 36
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2025 – November 30, 2025
Resolved
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
September 29, 2023 – December 18, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – July 30, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2013 – August 31, 2013
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2011 – April 30, 2011
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2011 – December 31, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – August 26, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2007 – August 31, 2007
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1998 – October 31, 2003
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1997 – October 31, 2003
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1996 – April 23, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1995 – June 30, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1994 – February 28, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1994 – January 31, 1994
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
November 1, 2025 – November 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 29, 2023 – December 18, 2023	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
July 1, 2015 – July 30, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 1, 2013 – August 31, 2013	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2011 – April 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Asbestos	—	Resolved
July 1, 2008 – August 26, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 1, 2007 – August 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1998 – October 31, 2003	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 1997 – October 31, 2003	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 1996 – April 23, 1998	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
June 1, 1995 – June 30, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 1994 – February 28, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1994 – January 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

December 16, 2025State Compliance achieved1 linked violation
December 4, 2023State Public Notification requested2 linked violations
June 2, 2014State Public Notification received2 linked violations
January 24, 2014State Public Notification requested3 linked violations
April 8, 2011State Public Notification requested2 linked violations
August 17, 2008State Public Notification requested1 linked violation
August 17, 2008State Violation/Reminder Notice2 linked violations
November 1, 2007State Compliance achieved1 linked violation
September 18, 2007State Public Notification requested3 linked violations
December 31, 2000State Formal Notice of Violation issued3 linked violations
April 23, 1998State Formal Notice of Violation issued1 linked violation
December 3, 1996State Formal Notice of Violation issued3 linked violations

Contact

SIMISTER, BRYAN

406-253-4770

EUREKA, MT 59917