BIG BEND RANCH SUBDIVISION
PWS ID: MT0004261 · GREAT FALLS, Montana 59404
Population Served
100
Total Violations
529
Health-Based Violations
14
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 68
- County
- Cascade
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 483
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 32 | 2023 |
| Lead and Copper Rule | MR | 19 | 2022 |
| Coliform (TCR) | MR | 13 | 2011 |
| Nitrate-Nitrite | MR | 11 | 2021 |
| Arsenic | MR | 8 | 2014 |
| Cadmium | MR | 8 | 2014 |
| Chromium | MR | 8 | 2014 |
| Fluoride | MR | 8 | 2014 |
| Mercury | MR | 8 | 2014 |
| Antimony, Total | MR | 8 | 2014 |
| Selenium | MR | 8 | 2014 |
| BHC-GAMMA | MR | 8 | 2014 |
| Methoxychlor | MR | 8 | 2014 |
| Di(2-ethylhexyl) adipate | MR | 8 | 2014 |
| Di(2-ethylhexyl) phthalate | MR | 8 | 2014 |
| Dinoseb | MR | 8 | 2014 |
| Carbofuran | MR | 8 | 2014 |
| Atrazine | MR | 8 | 2014 |
| 2,4,5-TP | MR | 8 | 2014 |
| HEXACHLOROBENZENE | MR | 8 | 2014 |
| Chlordane | MR | 8 | 2014 |
| cis-1,2-Dichloroethylene | MR | 8 | 2014 |
| o-Dichlorobenzene | MR | 8 | 2014 |
| p-Dichlorobenzene | MR | 8 | 2014 |
| Vinyl chloride | MR | 8 | 2014 |
| 1,1-Dichloroethylene | MR | 8 | 2014 |
| trans-1,2-Dichloroethylene | MR | 8 | 2014 |
| 1,2-Dichloroethane | MR | 8 | 2014 |
| Carbon tetrachloride | MR | 8 | 2014 |
| 1,2-Dichloropropane | MR | 8 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.