NEW CASTLE COURT
PWS ID: MT0004322 · MISSOULA, Montana 59802
Population Served
55
Total Violations
18
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 24
- County
- Missoula
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 13
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 7 | 2024 |
| Coliform (TCR) | MCL | 5 | 2006 |
| Coliform (TCR) | MR | 4 | 2003 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 2008 |
| Combined Radium (-226 and -228) | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.