CHESTER TOWN OF
PWS ID: MT0000173 · CHESTER, Montana 59522
Population Served
870
Total Violations
25
Health-Based Violations
1
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 495
- County
- Liberty
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 20
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 4 | 2003 |
| Combined Radium (-226 and -228) | MR | 4 | 2017 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2017 |
| Consumer Confidence Rule | Other | 3 | 2010 |
| DICHLOROMETHANE | MR | 3 | 2015 |
| Xylenes, Total | MR | 3 | 2015 |
| Lead and Copper Rule | MR | 2 | 2025 |
| Surface Water Treatment Rule | TT | 1 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.