KING RANCH COLONY
PWS ID: MT0000432 · LEWISTOWN, Montana 59457
Population Served
56
Total Violations
625
Health-Based Violations
395
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 17
- County
- Fergus
- School/Daycare
- No
- MCL Violations
- 395
- Monitoring Violations
- 208
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate-Nitrite | MCL | 382 | 2025 |
| Nitrate-Nitrite | MR | 38 | 2023 |
| Consumer Confidence Rule | Other | 15 | 2022 |
| Lead and Copper Rule | MR | 7 | 2024 |
| Nitrate | MCL | 7 | 1986 |
| Coliform (TCR) | MCL | 6 | 2013 |
| Revised Total Coliform Rule | MON | 6 | 2024 |
| Coliform (TCR) | MR | 5 | 1996 |
| cis-1,2-Dichloroethylene | MR | 3 | 2017 |
| DICHLOROMETHANE | MR | 3 | 2017 |
| p-Dichlorobenzene | MR | 3 | 2017 |
| 1,1,2-Trichloroethane | MR | 3 | 2017 |
| Tetrachloroethylene | MR | 3 | 2017 |
| Benzene | MR | 3 | 2017 |
| Toluene | MR | 3 | 2017 |
| Ethylbenzene | MR | 3 | 2017 |
| Styrene | MR | 3 | 2017 |
| Methoxychlor | MR | 3 | 2017 |
| Toxaphene | MR | 3 | 2017 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2017 |
| OXAMYL | MR | 3 | 2017 |
| Simazine | MR | 3 | 2017 |
| Picloram | MR | 3 | 2017 |
| Carbofuran | MR | 3 | 2017 |
| Heptachlor epoxide | MR | 3 | 2017 |
| 2,4-D | MR | 3 | 2017 |
| Benzo(a)pyrene | MR | 3 | 2017 |
| Pentachlorophenol | MR | 3 | 2017 |
| Chlordane | MR | 3 | 2017 |
| Nickel | MR | 3 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.