HELENA, MT · Lewis and Clark County

MOUNTAIN HERITAGE WATER SYSTEM 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): MT0002873
System type: Community Water System
Population served: 175
Service connections: 76
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Selenium
January 1, 2020 – May 9, 2022
Resolved
Monitoring, Regular
—
Barium
January 1, 2020 – May 9, 2022
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2020 – May 9, 2022
Resolved
Monitoring, Regular
—
Chromium
January 1, 2020 – May 9, 2022
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2020 – May 9, 2022
Resolved
Monitoring, Regular
—
Mercury
January 1, 2020 – May 9, 2022
Resolved
Monitoring, Regular
—
Nickel
January 1, 2020 – May 9, 2022
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2020 – May 9, 2022
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2020 – May 9, 2022
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2020 – May 9, 2022
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
April 1, 2019 – February 25, 2021
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2018 – January 30, 2018
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2017 – January 30, 2018
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2014 – January 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2006 – December 31, 2006
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2006 – December 31, 2006
Archived
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2005 – December 31, 2005
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2005 – December 31, 2005
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1994 – August 31, 1994
Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2020 – May 9, 2022	Monitoring, Regular	Selenium	—	Resolved
January 1, 2020 – May 9, 2022	Monitoring, Regular	Barium	—	Resolved
January 1, 2020 – May 9, 2022	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2020 – May 9, 2022	Monitoring, Regular	Chromium	—	Resolved
January 1, 2020 – May 9, 2022	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2020 – May 9, 2022	Monitoring, Regular	Mercury	—	Resolved
January 1, 2020 – May 9, 2022	Monitoring, Regular	Nickel	—	Resolved
January 1, 2020 – May 9, 2022	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2020 – May 9, 2022	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2020 – May 9, 2022	Monitoring, Regular	Thallium, Total	—	Resolved
April 1, 2019 – February 25, 2021	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2018 – January 30, 2018	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2017 – January 30, 2018	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2014 – January 30, 2014	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	TTHM	—	Archived
January 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
January 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	TTHM	—	Archived
January 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
August 1, 1994 – August 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

January 29, 2023State Violation/Reminder Notice10 linked violations
January 29, 2023State Public Notification requested10 linked violations
May 9, 2022State Compliance achieved10 linked violations
February 25, 2021State Compliance achieved1 linked violation
April 15, 2019State Violation/Reminder Notice1 linked violation
January 30, 2018State Compliance achieved1 linked violation
January 30, 2018State Compliance achieved1 linked violation
January 22, 2018State Public Notification requested1 linked violation
January 22, 2018State Violation/Reminder Notice1 linked violation
July 18, 2017State Violation/Reminder Notice1 linked violation
July 18, 2017State Public Notification requested1 linked violation
January 30, 2014State Compliance achieved1 linked violation
January 23, 2014State Violation/Reminder Notice1 linked violation
January 8, 2009State Compliance achieved6 linked violations
June 21, 2007State Administrative/Compliance Order with penalty issued6 linked violations
April 29, 2007State Violation/Reminder Notice2 linked violations
April 29, 2007State Public Notification requested2 linked violations
June 2, 2006State Other4 linked violations
February 25, 2006State Public Notification requested2 linked violations
February 25, 2006State Violation/Reminder Notice2 linked violations
February 24, 2005State Violation/Reminder Notice2 linked violations
February 24, 2005State Public Notification requested3 linked violations
March 1, 2001State Compliance achieved1 linked violation
March 1, 2001State Violation/Reminder Notice1 linked violation
March 1, 2001State Violation/Reminder Notice1 linked violation
January 31, 2001State Compliance achieved2 linked violations
September 22, 1994State Violation/Reminder Notice1 linked violation

Contact

QUINTRELL, JOHN

406-799-6555

HELENA, MT 59602