SPRING TREE RIDGE
PWS ID: MT0004419 · GREAT FALLS, Montana 59404
Population Served
80
Total Violations
514
Health-Based Violations
66
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 44
- County
- Cascade
- School/Daycare
- No
- MCL Violations
- 63
- Monitoring Violations
- 418
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 42 | 2012 |
| Consumer Confidence Rule | Other | 30 | 2023 |
| Lead and Copper Rule | MR | 25 | 2022 |
| E. COLI | MR | 20 | 2021 |
| Coliform (TCR) | MR | 16 | 2009 |
| Arsenic | MR | 16 | 2024 |
| Cadmium | MR | 15 | 2014 |
| Coliform (TCR) | MCL | 11 | 2011 |
| Gross Alpha, Excl. Radon and U | MR | 11 | 2016 |
| Gross Alpha, Excl. Radon and U | MCL | 10 | 2014 |
| Xylenes, Total | MR | 9 | 2014 |
| Vinyl chloride | MR | 9 | 2014 |
| 1,1-Dichloroethylene | MR | 9 | 2014 |
| trans-1,2-Dichloroethylene | MR | 9 | 2014 |
| Trichloroethylene | MR | 9 | 2014 |
| 1,1,2-Trichloroethane | MR | 9 | 2014 |
| Tetrachloroethylene | MR | 9 | 2014 |
| CHLOROBENZENE | MR | 9 | 2014 |
| Benzene | MR | 9 | 2014 |
| Ethylbenzene | MR | 9 | 2014 |
| Styrene | MR | 9 | 2014 |
| Nitrate-Nitrite | MR | 9 | 2021 |
| cis-1,2-Dichloroethylene | MR | 9 | 2014 |
| DICHLOROMETHANE | MR | 9 | 2014 |
| o-Dichlorobenzene | MR | 9 | 2014 |
| p-Dichlorobenzene | MR | 9 | 2014 |
| 1,1,1-Trichloroethane | MR | 9 | 2014 |
| 1,2-Dichloropropane | MR | 9 | 2014 |
| Toluene | MR | 9 | 2014 |
| Combined Radium (-226 and -228) | MR | 9 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.