GREAT FALLS, MT · Cascade County
GORE HILL COUNTY WATER DIST Water System
Consumer Confidence Report status
GORE HILL COUNTY WATER DIST 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 GORE HILL COUNTY WATER DIST.
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)
- MT0000232
- System type
- Community Water System
- Population served
- 500
- Service connections
- 230
- Ownership
- local government
- Water source
- groundwater (wells)
GORE HILL COUNTY WATER DIST is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 500 people from groundwater.
As of August 1, 2026, its federal record holds 84 entries between 2002 and 2025, all of which EPA lists as closed.
Of the 84, 73 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 inorganic chemicals.
Violation history
Monitoring, Source Water (GWR)
—E. COLI
July 22, 2025 – July 24, 2025
ResolvedMonitoring, Regular
—Atrazine
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Picloram
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Dinoseb
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Carbofuran
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Atrazine
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—LASSO
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Heptachlor
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Heptachlor epoxide
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—2,4-D
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—2,4,5-TP
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Benzo(a)pyrene
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Pentachlorophenol
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Chlordane
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Endrin
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—BHC-GAMMA
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Methoxychlor
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Toxaphene
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Dalapon
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—OXAMYL
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Simazine
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Picloram
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Dinoseb
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Carbofuran
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—LASSO
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Heptachlor
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Heptachlor epoxide
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—2,4-D
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—2,4,5-TP
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Benzo(a)pyrene
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Pentachlorophenol
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Chlordane
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Endrin
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—BHC-GAMMA
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Methoxychlor
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Toxaphene
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Dalapon
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—OXAMYL
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Simazine
July 1, 2024 – September 30, 2024
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
April 1, 2024 – June 30, 2024
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2023 – December 3, 2024
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
January 1, 2011 – March 31, 2011
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
October 1, 2010 – December 31, 2010
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
July 1, 2010 – September 30, 2010
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
April 1, 2010 – June 30, 2010
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
January 1, 2010 – March 31, 2010
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
October 1, 2009 – December 31, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
April 1, 2009 – June 30, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
January 1, 2009 – March 31, 2009
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
October 1, 2008 – December 31, 2008
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
July 1, 2008 – September 30, 2008
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 2008 – September 30, 2008
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
April 1, 2008 – June 30, 2008
ResolvedMonitoring, Regular
—Arsenic
April 1, 2008 – June 30, 2008
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
April 1, 2008 – June 30, 2008
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
October 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Arsenic
October 1, 2007 – December 31, 2007
ArchivedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2007 – January 20, 2010
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Benzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Asbestos
January 1, 2002 – December 31, 2010
Archived
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 |
|---|---|---|---|---|
| July 22, 2025 – July 24, 2025 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Atrazine | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Picloram | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Dinoseb | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Carbofuran | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Atrazine | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | LASSO | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Heptachlor | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | 2,4-D | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Chlordane | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Endrin | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Methoxychlor | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Toxaphene | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Dalapon | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | OXAMYL | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Simazine | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Picloram | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Dinoseb | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Carbofuran | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | LASSO | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Heptachlor | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | 2,4-D | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Chlordane | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Endrin | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Methoxychlor | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Toxaphene | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Dalapon | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | OXAMYL | — | Resolved |
| July 1, 2024 – September 30, 2024 | Monitoring, Regular | Simazine | — | Resolved |
| April 1, 2024 – June 30, 2024 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| April 1, 2024 – June 30, 2024 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| October 1, 2023 – December 3, 2024 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2011 – March 31, 2011 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| October 1, 2010 – December 31, 2010 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| July 1, 2010 – September 30, 2010 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| April 1, 2010 – June 30, 2010 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| January 1, 2010 – March 31, 2010 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| October 1, 2009 – December 31, 2009 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| April 1, 2009 – June 30, 2009 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| January 1, 2009 – March 31, 2009 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| October 1, 2008 – December 31, 2008 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 2008 – September 30, 2008 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| July 1, 2008 – September 30, 2008 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| April 1, 2008 – June 30, 2008 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| April 1, 2008 – June 30, 2008 | Monitoring, Regular | Arsenic | — | Resolved |
| April 1, 2008 – June 30, 2008 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| October 1, 2007 – December 31, 2007 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| October 1, 2007 – December 31, 2007 | Monitoring, Regular | Arsenic | — | Archived |
| July 1, 2007 – January 20, 2010 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2010 | Monitoring, Regular | Asbestos | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 25, 2025State Violation/Reminder Notice1 linked violation
- August 25, 2025State Public Notification requested1 linked violation
- December 3, 2024State Compliance achieved1 linked violation
- October 22, 2024State Compliance achieved23 linked violations
- October 22, 2024State Compliance achieved23 linked violations
- October 16, 2024State Public Notification requested23 linked violations
- October 16, 2024State Public Notification requested23 linked violations
- October 16, 2024State Violation/Reminder Notice23 linked violations
- October 16, 2024State Violation/Reminder Notice23 linked violations
- July 16, 2024State Compliance achieved1 linked violation
- July 16, 2024State Public Notification requested1 linked violation
- July 16, 2024State Violation/Reminder Notice1 linked violation
- July 16, 2024State Compliance achieved1 linked violation
- July 16, 2024State Public Notification requested1 linked violation
- July 16, 2024State Violation/Reminder Notice1 linked violation
- November 9, 2023State Public Notification requested1 linked violation
- November 9, 2023State Violation/Reminder Notice1 linked violation
- August 23, 2011State Compliance achieved10 linked violations
- August 23, 2011State Compliance achieved2 linked violations
- August 23, 2011State Compliance achieved1 linked violation
- August 23, 2011State Compliance achieved1 linked violation
- August 23, 2011State Compliance achieved10 linked violations
- May 9, 2011State Public Notification received1 linked violation
- April 7, 2011State Public Notification requested1 linked violation
- April 7, 2011State Violation/Reminder Notice1 linked violation
- March 16, 2011State Public Notification received1 linked violation
- January 12, 2011State Public Notification requested1 linked violation
- January 12, 2011State Violation/Reminder Notice1 linked violation
- December 31, 2010State Public Notification received1 linked violation
- November 2, 2010State Public Notification received1 linked violation
- October 21, 2010State Violation/Reminder Notice1 linked violation
- October 21, 2010State Public Notification requested1 linked violation
- September 3, 2010State Public Notification received1 linked violation
- July 29, 2010State Violation/Reminder Notice1 linked violation
- July 29, 2010State Violation/Reminder Notice1 linked violation
- July 29, 2010State Public Notification requested1 linked violation
- July 29, 2010State Public Notification requested1 linked violation
- June 9, 2010State Public Notification received1 linked violation
- January 21, 2010State Public Notification requested2 linked violations
- October 28, 2009State Violation/Reminder Notice1 linked violation
- April 24, 2009State Public Notification requested2 linked violations
- March 30, 2009State Compliance achieved3 linked violations
- March 26, 2009State Administrative/Compliance Order with penalty issued21 linked violations
- February 9, 2009State Violation/Reminder Notice6 linked violations
- February 9, 2009State Violation/Reminder Notice3 linked violations
- January 6, 2009State Compliance achieved4 linked violations
- October 21, 2008State Violation/Reminder Notice1 linked violation
- July 31, 2008State Other10 linked violations
- July 31, 2008State Other3 linked violations
- June 23, 1998State Violation/Reminder Notice1 linked violation
Common questions
Is GORE HILL COUNTY WATER DIST required to publish a Consumer Confidence Report?
- Yes. GORE HILL COUNTY WATER DIST 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 GORE HILL COUNTY WATER DIST’s next Consumer Confidence Report due?
- GORE HILL COUNTY WATER DIST’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does GORE HILL COUNTY WATER DIST have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for GORE HILL COUNTY WATER DIST.
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
WALTER, CHRISTY
406-761-6528
GREAT FALLS, MT 59404