Public water system record
Gore Hill County Water Dist
Serves an area of Cascade County, MT that includes Great Falls · 500 people served
Federal records show no health-based violations and 50 monitoring/reporting issues for Gore Hill County Water Dist in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 50
Key facts
- Gore Hill County Water Dist draws water from 2 wells.
- Most recent formal enforcement: compliance order with a penalty by Montana, March 2009.
- Record on file since 1998, with 12 health-based violations before October 19, 2016.
Check whether Gore Hill County Water Dist serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
E. coli
Monitoring and reporting
|
Jul 22, 2025 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
LASSO
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Picloram
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Simazine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Endrin
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
LASSO
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Picloram
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Simazine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Endrin
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
Full record since 1998
EPA's records for Gore Hill County Water Dist go back to 1998. Before October 19, 2016 they list 12 health-based violations (12 resolved) and 33 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 7 | 32 |
| 2010 to October 18, 2016 | 5 | 0 |
| 2020s | 0 | 50 |
Most recent health-based violation before October 19, 2016: Arsenic, began January 2011, Resolved.
Show all 12 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Jan 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Oct 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Jul 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
Apr 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
Jan 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
Oct 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.016 mg/L, federal limit 0.01 mg/L (1.6 times the limit)
|
Jul 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
Apr 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
Jan 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
Oct 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
Jul 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
Apr 1, 2008 | Resolved |
Enforcement actions
Montana regulators took 1 formal enforcement action against Gore Hill County Water Dist in 2009. The most recent was a compliance order with a penalty in March 2009.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 26, 2009 | Montana | Compliance order with a penalty | 19 violations (12 health-based): Arsenic, Di(2-ethylhexyl) phthalate, Consumer Confidence Rule |
Where the water comes from
Gore Hill County Water Dist draws water from 2 wells.
Annual water quality report
Gore Hill County Water Dist must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Gore Hill County Water Dist for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Montana.
Certified drinking water labs by state EPA guidance for private wells