STILLWATER WATER DISTRICT
PWS ID: MT0000078 · KALISPELL, Montana 59901
Population Served
85
Total Violations
253
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 19
- County
- Flathead
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 248
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 63 | 2001 |
| Lead and Copper Rule | MR | 22 | 2001 |
| Nitrate | MR | 15 | 1999 |
| Nitrate-Nitrite | MR | 7 | 2024 |
| Selenium | MR | 5 | 1996 |
| Mercury | MR | 5 | 1996 |
| Fluoride | MR | 5 | 1996 |
| Chromium | MR | 5 | 1996 |
| Cadmium | MR | 5 | 1996 |
| Arsenic | MR | 5 | 1996 |
| Barium | MR | 5 | 1996 |
| Thallium, Total | MR | 4 | 1996 |
| Nickel | MR | 4 | 1996 |
| Antimony, Total | MR | 4 | 1996 |
| Beryllium, Total | MR | 4 | 1996 |
| Benzo(a)pyrene | MR | 2 | 1996 |
| Dinoseb | MR | 2 | 1996 |
| Pentachlorophenol | MR | 2 | 1996 |
| Total Polychlorinated Biphenyls (PCB) | MR | 2 | 1996 |
| Heptachlor | MR | 2 | 1996 |
| Carbofuran | MR | 2 | 1996 |
| Aldicarb sulfone | MR | 2 | 1996 |
| LASSO | MR | 2 | 1996 |
| Toxaphene | MR | 2 | 1996 |
| Methoxychlor | MR | 2 | 1996 |
| Endrin | MR | 2 | 1996 |
| Xylenes, Total | MR | 2 | 1996 |
| p-Dichlorobenzene | MR | 2 | 1996 |
| Vinyl chloride | MR | 2 | 1996 |
| 1,1,1-Trichloroethane | MR | 2 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.