HYSHAM TOWN OF
PWS ID: MT0000428 · HYSHAM, Montana 59038
Population Served
262
Total Violations
752
Health-Based Violations
30
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 184
- County
- Treasure
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 710
- Treatment Tech Violations
- 30
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 26 | 2022 |
| Endrin | MR | 21 | 2020 |
| Toxaphene | MR | 21 | 2020 |
| Di(2-ethylhexyl) phthalate | MR | 21 | 2020 |
| Picloram | MR | 21 | 2020 |
| Dinoseb | MR | 21 | 2020 |
| Hexachlorocyclopentadiene | MR | 21 | 2020 |
| Carbofuran | MR | 21 | 2020 |
| Atrazine | MR | 21 | 2020 |
| LASSO | MR | 21 | 2020 |
| Heptachlor | MR | 21 | 2020 |
| 2,4,5-TP | MR | 21 | 2020 |
| Benzo(a)pyrene | MR | 21 | 2020 |
| Chlordane | MR | 21 | 2020 |
| BHC-GAMMA | MR | 21 | 2020 |
| Dalapon | MR | 21 | 2020 |
| OXAMYL | MR | 21 | 2020 |
| Heptachlor epoxide | MR | 21 | 2020 |
| Simazine | MR | 21 | 2020 |
| HEXACHLOROBENZENE | MR | 21 | 2020 |
| Di(2-ethylhexyl) adipate | MR | 21 | 2020 |
| 2,4-D | MR | 21 | 2020 |
| Pentachlorophenol | MR | 21 | 2020 |
| Methoxychlor | MR | 21 | 2020 |
| Arsenic | MR | 15 | 2021 |
| Surface Water Treatment Rule | MR | 12 | 2025 |
| cis-1,2-Dichloroethylene | MR | 8 | 2020 |
| o-Dichlorobenzene | MR | 8 | 2020 |
| p-Dichlorobenzene | MR | 8 | 2020 |
| Vinyl chloride | MR | 8 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.