CHURCHILL NORTH SUBDIVISION
PWS ID: MT0004431 · MANHATTAN, Montana 59741
Population Served
155
Total Violations
114
Health-Based Violations
19
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 54
- County
- Gallatin
- School/Daycare
- No
- MCL Violations
- 19
- Monitoring Violations
- 91
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 14 | 2009 |
| Arsenic | MR | 9 | 2022 |
| Fluoride | MR | 8 | 2008 |
| Antimony, Total | MR | 6 | 2014 |
| Cadmium | MR | 6 | 2014 |
| Chromium | MR | 6 | 2014 |
| Beryllium, Total | MR | 6 | 2014 |
| Thallium, Total | MR | 6 | 2014 |
| Nickel | MR | 6 | 2014 |
| Selenium | MR | 6 | 2014 |
| Mercury | MR | 6 | 2014 |
| Barium | MR | 6 | 2014 |
| Gross Alpha, Excl. Radon and U | MR | 6 | 2007 |
| Combined Radium (-226 and -228) | MR | 6 | 2007 |
| Coliform (TCR) | MCL | 5 | 2008 |
| Lead and Copper Rule | MR | 5 | 2024 |
| Consumer Confidence Rule | Other | 4 | 2021 |
| Coliform (TCR) | MR | 3 | 2007 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.