NEW ROCKPORT COLONY INC
PWS ID: MT0001776 · CHOTEAU, Montana 59422
Population Served
160
Total Violations
158
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 5
- County
- Teton
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 142
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MR | 13 | 2022 |
| TTHM | MR | 13 | 2022 |
| Consumer Confidence Rule | Other | 12 | 2021 |
| Coliform (TCR) | MR | 5 | 1993 |
| Lead and Copper Rule | MR | 5 | 2020 |
| Nickel | MR | 3 | 2002 |
| Beryllium, Total | MR | 3 | 2002 |
| Thallium, Total | MR | 3 | 2002 |
| 2,4,5-TP | MR | 3 | 2002 |
| Pentachlorophenol | MR | 3 | 2002 |
| cis-1,2-Dichloroethylene | MR | 3 | 2002 |
| p-Dichlorobenzene | MR | 3 | 2002 |
| 1,1-Dichloroethylene | MR | 3 | 2002 |
| trans-1,2-Dichloroethylene | MR | 3 | 2002 |
| 1,1,1-Trichloroethane | MR | 3 | 2002 |
| 1,1,2-Trichloroethane | MR | 3 | 2002 |
| Tetrachloroethylene | MR | 3 | 2002 |
| Benzene | MR | 3 | 2002 |
| Toluene | MR | 3 | 2002 |
| Ethylbenzene | MR | 3 | 2002 |
| Styrene | MR | 3 | 2002 |
| Asbestos | MR | 3 | 2002 |
| E. COLI | MR | 3 | 2014 |
| Arsenic | MR | 3 | 2002 |
| 1,2-Dichloroethane | MR | 3 | 2002 |
| Picloram | MR | 3 | 2002 |
| Dalapon | MR | 3 | 2002 |
| Trichloroethylene | MR | 3 | 2002 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2002 |
| Xylenes, Total | MR | 3 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.