SOUTH CHESTER WATER DIST
PWS ID: MT0000007 · CHESTER, Montana 59522
Population Served
55
Total Violations
190
Health-Based Violations
10
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 26
- County
- Liberty
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 174
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MR | 7 | 2011 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2011 |
| Total Haloacetic Acids (HAA5) | MCL | 5 | 2025 |
| Surface Water Treatment Rule | TT | 5 | 2009 |
| Coliform (TCR) | MR | 4 | 1999 |
| Endrin | MR | 4 | 1999 |
| BHC-GAMMA | MR | 4 | 1999 |
| Diquat | MR | 4 | 1999 |
| Endothall | MR | 4 | 1999 |
| Glyphosate | MR | 4 | 1999 |
| OXAMYL | MR | 4 | 1999 |
| Simazine | MR | 4 | 1999 |
| Di(2-ethylhexyl) phthalate | MR | 4 | 1999 |
| Dinoseb | MR | 4 | 1999 |
| Hexachlorocyclopentadiene | MR | 4 | 1999 |
| Aldicarb | MR | 4 | 1999 |
| 2,3,7,8-TCDD | MR | 4 | 1999 |
| Heptachlor | MR | 4 | 1999 |
| 2,4-D | MR | 4 | 1999 |
| 2,4,5-TP | MR | 4 | 1999 |
| Pentachlorophenol | MR | 4 | 1999 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 4 | 1999 |
| Chlordane | MR | 4 | 1999 |
| Antimony, Total | MR | 4 | 1999 |
| Thallium, Total | MR | 4 | 1999 |
| Arsenic | MR | 4 | 1999 |
| Di(2-ethylhexyl) adipate | MR | 4 | 1999 |
| Aldicarb sulfone | MR | 4 | 1999 |
| HEXACHLOROBENZENE | MR | 4 | 1999 |
| ETHYLENE DIBROMIDE | MR | 4 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.