HILDRETH SUBDIVISION NO 3
PWS ID: MT0003968 · DILLON, Montana 59725
Population Served
128
Total Violations
146
Health-Based Violations
28
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 42
- County
- Beaverhead
- School/Daycare
- No
- MCL Violations
- 28
- Monitoring Violations
- 105
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 24 | 2015 |
| Coliform (TCR) | MR | 19 | 2012 |
| Lead and Copper Rule | MR | 17 | 2024 |
| Consumer Confidence Rule | Other | 13 | 2023 |
| Nitrate-Nitrite | MR | 7 | 2010 |
| Revised Total Coliform Rule | MON | 7 | 2019 |
| Revised Total Coliform Rule | MCL | 4 | 2021 |
| E. COLI | MR | 4 | 2015 |
| Asbestos | MR | 3 | 2020 |
| Nitrate | MR | 2 | 1998 |
| Selenium | MR | 2 | 1996 |
| Xylenes, Total | MR | 1 | 1996 |
| 1,1,1-Trichloroethane | MR | 1 | 1996 |
| o-Dichlorobenzene | MR | 1 | 1996 |
| Toluene | MR | 1 | 1996 |
| Tetrachloroethylene | MR | 1 | 1996 |
| 1,1,2-Trichloroethane | MR | 1 | 1996 |
| Styrene | MR | 1 | 1996 |
| 1,2-Dichloropropane | MR | 1 | 1996 |
| cis-1,2-Dichloroethylene | MR | 1 | 1996 |
| trans-1,2-Dichloroethylene | MR | 1 | 1996 |
| 1,2-Dichloroethane | MR | 1 | 1996 |
| Pentachlorophenol | MR | 1 | 1996 |
| Heptachlor epoxide | MR | 1 | 1996 |
| Chlordane | MR | 1 | 1996 |
| LASSO | MR | 1 | 1996 |
| 2,4-D | MR | 1 | 1996 |
| Toxaphene | MR | 1 | 1996 |
| Methoxychlor | MR | 1 | 1996 |
| Thallium, Total | MR | 1 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.