HAPPY VALLEY WATER DIST B KSPL
PWS ID: MT0001984 · COLUMBIA FALLS, Montana 59912
Population Served
207
Total Violations
253
Health-Based Violations
58
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 83
- County
- Flathead
- School/Daycare
- No
- MCL Violations
- 58
- Monitoring Violations
- 151
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 58 | 2015 |
| Coliform (TCR) | MR | 12 | 2012 |
| Consumer Confidence Rule | Other | 12 | 2006 |
| Nitrate | MR | 12 | 1998 |
| Lead and Copper Rule | MR | 11 | 1999 |
| Nitrate-Nitrite | MR | 3 | 2002 |
| Di(2-ethylhexyl) adipate | MR | 2 | 1996 |
| Dinoseb | MR | 2 | 1996 |
| Dalapon | MR | 2 | 1996 |
| Pentachlorophenol | MR | 2 | 1996 |
| Total Polychlorinated Biphenyls (PCB) | MR | 2 | 1996 |
| Heptachlor epoxide | MR | 2 | 1996 |
| Carbofuran | MR | 2 | 1996 |
| Atrazine | MR | 2 | 1996 |
| Aldicarb | MR | 2 | 1996 |
| LASSO | MR | 2 | 1996 |
| 2,4,5-TP | MR | 2 | 1996 |
| BHC-GAMMA | MR | 2 | 1996 |
| Methoxychlor | MR | 2 | 1996 |
| Endrin | MR | 2 | 1996 |
| p-Dichlorobenzene | MR | 2 | 1996 |
| Vinyl chloride | MR | 2 | 1996 |
| Carbon tetrachloride | MR | 2 | 1996 |
| DICHLOROMETHANE | MR | 2 | 1996 |
| CHLOROBENZENE | MR | 2 | 1996 |
| Toluene | MR | 2 | 1996 |
| Ethylbenzene | MR | 2 | 1996 |
| cis-1,2-Dichloroethylene | MR | 2 | 1996 |
| Trichloroethylene | MR | 2 | 1996 |
| Benzene | MR | 2 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.