DILLON, MT · Beaverhead County

HILDRETH SUBDIVISION NO 2 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): MT0002486
System type: Community Water System
Population served: 300
Service connections: 54
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – July 7, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2019 – July 30, 2019
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2013 – September 30, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2013 – July 31, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – July 15, 2013
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2012 – November 8, 2012
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – November 8, 2012
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
June 1, 2011 – August 9, 2021
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
June 1, 2011 – August 9, 2021
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2011 – February 28, 2011
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2010 – October 16, 2013
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Benzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Toluene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Simazine
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Picloram
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Aldicarb
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
LASSO
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Styrene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Nickel
January 1, 2008 – December 31, 2010
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2007 – December 24, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2006 – August 31, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2003 – November 30, 2003
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1997 – September 30, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1996 – April 30, 1996
Resolved
Monitoring, Regular
—
Dalapon
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Heptachlor
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
—
LASSO
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
—
Endrin
January 1, 1996 – December 31, 1998
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 1996 – December 31, 2000
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Simazine
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Picloram
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 1996 – December 31, 1998
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2023 – July 7, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2019 – July 30, 2019	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
September 1, 2013 – September 30, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2013 – July 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2013 – July 15, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2012 – November 8, 2012	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2012 – November 8, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2011 – August 9, 2021	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
June 1, 2011 – August 9, 2021	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
February 1, 2011 – February 28, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2010 – October 16, 2013	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Benzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Toluene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Simazine	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Picloram	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	LASSO	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Styrene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Nickel	—	Resolved
July 1, 2007 – December 24, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 1, 2006 – August 31, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2003 – November 30, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Nitrate	—	Resolved
September 1, 1997 – September 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1996 – April 30, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Dalapon	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Heptachlor	—	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	LASSO	—	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	Endrin	—	Resolved
January 1, 1996 – December 31, 2000	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Simazine	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Picloram	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	OXAMYL	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

July 26, 2023State Violation/Reminder Notice1 linked violation
July 26, 2023State Public Notification requested1 linked violation
July 14, 2023State Compliance achieved1 linked violation
July 11, 2023State Violation/Reminder Notice1 linked violation
July 7, 2023State Compliance achieved1 linked violation
August 9, 2021State Compliance achieved2 linked violations
July 30, 2019State Compliance achieved1 linked violation
July 17, 2019State Violation/Reminder Notice1 linked violation
October 21, 2013State Compliance achieved1 linked violation
October 16, 2013State Compliance achieved1 linked violation
October 15, 2013State Violation/Reminder Notice1 linked violation
October 15, 2013State Public Notification requested1 linked violation
August 27, 2013State Compliance achieved1 linked violation
August 15, 2013State Violation/Reminder Notice1 linked violation
August 15, 2013State Public Notification requested1 linked violation
July 16, 2013State Violation/Reminder Notice1 linked violation
July 15, 2013State Compliance achieved1 linked violation
March 15, 2013State Public Notification requested1 linked violation
March 15, 2013State Violation/Reminder Notice1 linked violation
November 14, 2012State Violation/Reminder Notice1 linked violation
November 8, 2012State Compliance achieved1 linked violation
November 8, 2012State Compliance achieved1 linked violation
July 12, 2012State Violation/Reminder Notice1 linked violation
July 12, 2012State Public Notification requested1 linked violation
June 27, 2012State Compliance achieved52 linked violations
August 1, 2011State Public Notification requested1 linked violation
August 1, 2011State Violation/Reminder Notice1 linked violation
August 1, 2011State Public Notification requested1 linked violation
August 1, 2011State Violation/Reminder Notice1 linked violation
March 18, 2011State Public Notification requested1 linked violation
March 18, 2011State Violation/Reminder Notice1 linked violation
March 8, 2011State Compliance achieved1 linked violation
February 1, 2011State Public Notification requested26 linked violations
February 1, 2011State Violation/Reminder Notice26 linked violations
January 31, 2011State Public Notification requested4 linked violations
January 31, 2011State Violation/Reminder Notice1 linked violation
January 31, 2011State Public Notification requested1 linked violation
January 31, 2011State Violation/Reminder Notice21 linked violations
January 31, 2011State Public Notification requested21 linked violations
January 31, 2011State Violation/Reminder Notice4 linked violations
January 12, 2010State Compliance achieved2 linked violations
July 14, 2009State Public Notification requested1 linked violation
January 6, 2009State Compliance achieved10 linked violations
December 24, 2008State Compliance achieved32 linked violations
August 15, 2008State Compliance achieved1 linked violation
July 31, 2008State Compliance achieved5 linked violations
January 19, 2008State Public Notification requested1 linked violation
January 19, 2008State Violation/Reminder Notice1 linked violation
September 26, 2006State Violation/Reminder Notice1 linked violation
September 26, 2006State Public Notification requested4 linked violations
January 12, 2004State Public Notification received2 linked violations
December 22, 2003State Compliance achieved1 linked violation
December 22, 2003State Public Notification requested1 linked violation
December 22, 2003State Violation/Reminder Notice1 linked violation
December 23, 2002State Violation/Reminder Notice1 linked violation
December 23, 2002State Public Notification requested1 linked violation
June 11, 2002State Public Notification received1 linked violation
May 17, 2002State Public Notification requested1 linked violation
May 17, 2002State Violation/Reminder Notice1 linked violation
May 23, 2001State no additional Formal Action needed1 linked violation
December 31, 2000State Violation/Reminder Notice1 linked violation
December 31, 2000State Compliance achieved1 linked violation
December 31, 2000State Violation/Reminder Notice1 linked violation
October 21, 1997State Compliance achieved1 linked violation
May 30, 1996State Violation/Reminder Notice1 linked violation
January 23, 1992State Violation/Reminder Notice3 linked violations

Contact

CLARK, PATRICK E

406-683-2853

DILLON, MT 59725