AYERS HUTTERITE COLONY
PWS ID: MT0000413 · GRASS RANGE, Montana 59032
Population Served
58
Total Violations
56
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 19
- County
- Fergus
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 38
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 11 | 2020 |
| Coliform (TCR) | MR | 10 | 2012 |
| Nitrate-Nitrite | MR | 6 | 2020 |
| Groundwater Rule | TT | 5 | 2010 |
| Lead and Copper Rule | MR | 5 | 2015 |
| Nitrate | MR | 3 | 1998 |
| Fluoride | MR | 2 | 1981 |
| Mercury | MR | 2 | 1981 |
| Cadmium | MR | 2 | 1981 |
| Barium | MR | 2 | 1981 |
| Selenium | MR | 2 | 1981 |
| Arsenic | MR | 2 | 1981 |
| Chromium | MR | 2 | 1981 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.