COTTONWOOD ESTATES
PWS ID: MT0004006 · GREYCLIFF, Montana 59033
Population Served
50
Total Violations
69
Health-Based Violations
24
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 17
- County
- Sweet Grass
- School/Daycare
- No
- MCL Violations
- 24
- Monitoring Violations
- 27
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 24 | 2009 |
| Consumer Confidence Rule | Other | 18 | 2014 |
| Lead and Copper Rule | MR | 9 | 2014 |
| Coliform (TCR) | MR | 8 | 2009 |
| Asbestos | MR | 3 | 2011 |
| E. COLI | MR | 3 | 2020 |
| Thallium, Total | MR | 1 | 1996 |
| Nickel | MR | 1 | 1996 |
| Beryllium, Total | MR | 1 | 1996 |
| Antimony, Total | MR | 1 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.