DILLON, MT · Beaverhead County
HILDRETH SUBDIVISION NO 2 Water System
Consumer Confidence Report status
HILDRETH SUBDIVISION NO 2 must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for HILDRETH SUBDIVISION NO 2.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
HILDRETH SUBDIVISION NO 2 is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 300 people from groundwater.
As of August 1, 2026, its federal record holds 75 entries between 1996 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.
Of the 75, 70 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, volatile organic chemicals, and the Total Coliform Rules.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – July 7, 2023
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2019 – July 30, 2019
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2013 – September 30, 2013
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2013 – July 31, 2013
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2013 – July 15, 2013
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2012 – November 8, 2012
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2012 – November 8, 2012
ResolvedMonitoring, Source Water (GWR)
—E. COLI
June 1, 2011 – August 9, 2021
ResolvedMonitoring, Source Water (GWR)
—E. COLI
June 1, 2011 – August 9, 2021
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 2011 – February 28, 2011
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2010 – October 16, 2013
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2009 – June 30, 2009
ResolvedMonitoring, Regular
—Styrene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Nickel
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Dalapon
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Simazine
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Picloram
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Aldicarb sulfoxide
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Aldicarb sulfone
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Aldicarb
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Atrazine
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—LASSO
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—2,4-D
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Chlordane
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Benzene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2006 – August 31, 2006
ResolvedMonitoring, Regular
—Nitrate
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 1997 – September 30, 1997
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 1996 – April 30, 1996
ResolvedMonitoring, Regular
—Picloram
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—OXAMYL
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Dinoseb
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Dalapon
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 1996 – December 31, 1998
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 1996 – December 31, 2000
ResolvedMonitoring, Regular
—Chlordane
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Carbofuran
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Aldicarb sulfone
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—2,4-D
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Toxaphene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Endrin
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Arsenic
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Heptachlor
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Simazine
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 |
| June 1, 2009 – June 30, 2009 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Beryllium, 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 | Thallium, Total | — | 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 | o-Dichlorobenzene | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | 1,2-Dichloroethane | — | 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 | 1,2-Dichloropropane | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Benzene | — | Resolved |
| August 1, 2006 – August 31, 2006 | 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 | Picloram | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Dinoseb | — | 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, 2000 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | 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 | Aldicarb sulfone | — | 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 | Methoxychlor | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Heptachlor | — | 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 |
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 Public Notification requested1 linked violation
- August 15, 2013State Violation/Reminder Notice1 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 Public Notification requested1 linked violation
- July 12, 2012State Violation/Reminder Notice1 linked violation
- June 27, 2012State Compliance achieved52 linked violations
- August 1, 2011State Violation/Reminder Notice1 linked violation
- August 1, 2011State Public Notification requested1 linked violation
- August 1, 2011State Violation/Reminder Notice1 linked violation
- August 1, 2011State Public Notification requested1 linked violation
- March 18, 2011State Violation/Reminder Notice1 linked violation
- March 18, 2011State Public Notification requested1 linked violation
- March 8, 2011State Compliance achieved1 linked violation
- February 1, 2011State Violation/Reminder Notice26 linked violations
- February 1, 2011State Public Notification requested26 linked violations
- January 31, 2011State Violation/Reminder Notice4 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 Public Notification requested4 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
- February 4, 2003State Public Notification received2 linked violations
- December 23, 2002State Public Notification requested1 linked violation
- December 23, 2002State Violation/Reminder Notice1 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 Violation/Reminder Notice1 linked violation
- October 21, 1997State Compliance achieved1 linked violation
- May 30, 1996State Violation/Reminder Notice1 linked violation
- November 22, 1993State Violation/Reminder Notice11 linked violations
- January 23, 1992State Violation/Reminder Notice3 linked violations
Common questions
Is HILDRETH SUBDIVISION NO 2 required to publish a Consumer Confidence Report?
- Yes. HILDRETH SUBDIVISION NO 2 is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is HILDRETH SUBDIVISION NO 2’s next Consumer Confidence Report due?
- HILDRETH SUBDIVISION NO 2’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HILDRETH SUBDIVISION NO 2 have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for HILDRETH SUBDIVISION NO 2.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
CLARK, PATRICK E
406-683-2853
DILLON, MT 59725