CENTENNIAL HOMEOWNER'S ASSOCIATION, INC
PWS ID: MT0004438 · CORVALLIS, Montana 59828
Population Served
115
Total Violations
25
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 46
- County
- Ravalli
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 10
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 15 | 2010 |
| Coliform (TCR) | MR | 4 | 2007 |
| Combined Radium (-226 and -228) | MR | 3 | 2007 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 2007 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.