DILLON, MT · Beaverhead County

HILDRETH SUBDIVISION NO 3 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): MT0003968
System type: Community Water System
Population served: 128
Service connections: 42
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2024 – September 20, 2025
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2023 – October 18, 2023
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2021 – January 7, 2022
Resolved
Maximum Contaminant Level Violation, E. coli (RTCR)
Health-based
Revised Total Coliform Rule
August 1, 2021 – August 30, 2021
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2019 – December 31, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2019 – February 28, 2019
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
August 5, 2015 – October 27, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2015 – July 31, 2015
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2014 – September 11, 2018
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2012 – July 31, 2012
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2012 – July 31, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2012 – June 30, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2012 – May 31, 2012
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2012 – February 23, 2012
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2010 – December 14, 2010
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2009 – November 30, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – March 5, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2005 – December 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2005 – October 31, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – March 5, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2004 – July 31, 2004
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2002 – June 27, 2003
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2000 – September 21, 2005
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2000 – December 31, 2000
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1998 – October 31, 2003
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
2,4-D
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Nickel
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Chromium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Toluene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Styrene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Benzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Chlordane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Atrazine
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
LASSO
January 1, 1996 – December 31, 1998
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2024 – September 20, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2023 – October 18, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
December 30, 2021 – January 7, 2022	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
August 1, 2021 – August 30, 2021	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Asbestos	—	Resolved
December 1, 2019 – December 31, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
February 1, 2019 – February 28, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
August 5, 2015 – October 27, 2015	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
July 1, 2015 – July 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2014 – September 11, 2018	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2012 – July 31, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2012 – July 31, 2012	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2012 – May 31, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2012 – February 23, 2012	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2010 – December 14, 2010	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
November 1, 2009 – November 30, 2009	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2006 – March 5, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 1, 2005 – December 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2005 – October 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2005 – March 5, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2004 – July 31, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2002 – June 27, 2003	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2000 – September 21, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 1998 – October 31, 2003	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	2,4-D	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Nickel	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Chromium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Arsenic	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Toluene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Styrene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Benzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Chlordane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Atrazine	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	LASSO	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

September 20, 2025State Compliance achieved1 linked violation
November 7, 2024State Public Notification requested1 linked violation
November 7, 2024State Violation/Reminder Notice1 linked violation
August 23, 2024State Compliance achieved1 linked violation
August 6, 2024State Violation/Reminder Notice1 linked violation
August 6, 2024State Public Notification requested1 linked violation
October 18, 2023State Compliance achieved1 linked violation
October 13, 2023State Violation/Reminder Notice1 linked violation
January 7, 2022State Compliance achieved1 linked violation
January 4, 2022State Violation/Reminder Notice1 linked violation
September 2, 2021State Public Notification received1 linked violation
August 30, 2021State Compliance achieved1 linked violation
August 16, 2021State Public Notification requested1 linked violation
August 16, 2021State Violation/Reminder Notice1 linked violation
January 15, 2020State Public Notification requested1 linked violation
January 15, 2020State Compliance achieved1 linked violation
January 15, 2020State Violation/Reminder Notice1 linked violation
March 22, 2019State Public Notification received1 linked violation
March 15, 2019State Violation/Reminder Notice1 linked violation
March 15, 2019State Public Notification requested1 linked violation
March 6, 2019State Compliance achieved1 linked violation
September 11, 2018State Compliance achieved1 linked violation
October 29, 2015State Public Notification received1 linked violation
October 27, 2015State Compliance achieved1 linked violation
September 22, 2015State Compliance achieved1 linked violation
September 18, 2015State Public Notification requested1 linked violation
September 18, 2015State Violation/Reminder Notice1 linked violation
August 17, 2015State Violation/Reminder Notice1 linked violation
August 17, 2015State Public Notification requested1 linked violation
August 17, 2015State Violation/Reminder Notice1 linked violation
October 23, 2014State Violation/Reminder Notice1 linked violation
October 23, 2014State Public Notification requested1 linked violation
September 26, 2012State Administrative/Compliance Order without penalty issued3 linked violations
August 27, 2012State Compliance achieved1 linked violation
August 27, 2012State Compliance achieved1 linked violation
August 27, 2012State Compliance achieved1 linked violation
August 15, 2012State Violation/Reminder Notice1 linked violation
August 15, 2012State Public Notification requested1 linked violation
August 15, 2012State Compliance achieved1 linked violation
August 3, 2012State Other3 linked violations
August 2, 2012State Public Notification requested1 linked violation
August 2, 2012State Violation/Reminder Notice1 linked violation
August 2, 2012State Violation/Reminder Notice1 linked violation
July 25, 2012State Public Notification received1 linked violation
July 13, 2012State Violation/Reminder Notice1 linked violation
July 13, 2012State Public Notification requested1 linked violation
July 13, 2012State Violation/Reminder Notice1 linked violation
June 12, 2012State Public Notification received1 linked violation
May 25, 2012State Violation/Reminder Notice1 linked violation
May 25, 2012State Public Notification requested1 linked violation
May 25, 2012State Violation/Reminder Notice1 linked violation
February 23, 2012State Compliance achieved1 linked violation
February 15, 2012State Violation/Reminder Notice1 linked violation
January 20, 2011State Violation/Reminder Notice1 linked violation
January 20, 2011State Public Notification requested1 linked violation
December 14, 2010State Compliance achieved1 linked violation
October 8, 2010State Compliance achieved1 linked violation
December 17, 2009State Public Notification requested1 linked violation
December 17, 2009State Public Notification received2 linked violations
April 17, 2009State Compliance achieved4 linked violations
March 5, 2007State Compliance achieved9 linked violations
January 19, 2006State Public Notification requested3 linked violations
December 25, 2005State Public Notification requested3 linked violations
December 25, 2005State Violation/Reminder Notice1 linked violation
September 3, 2004State Violation/Reminder Notice1 linked violation
October 31, 2003State Compliance achieved1 linked violation
June 27, 2003State Compliance achieved1 linked violation
October 23, 2002State Compliance achieved3 linked violations
November 13, 2001State Public Notification received2 linked violations
September 24, 2001State Public Notification requested1 linked violation
September 24, 2001State Violation/Reminder Notice1 linked violation

Contact

JOHNSTON, TINA

Phone not on record

DILLON, MT 59725