OSIER STATION COMPANY
PWS ID: CO0211100 · CHAMA, Colorado 87520
Population Served
301
Total Violations
105
Health-Based Violations
5
Water Source
Surface Water
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 2
- County
- Conejos
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 81
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 47 | 2015 |
| Surface Water Treatment Rule | MR | 18 | 2022 |
| Nitrate | MR | 10 | 2014 |
| Revised Total Coliform Rule | RPT | 9 | 2021 |
| Public Notice | Other | 7 | 2022 |
| Revised Total Coliform Rule | MON | 6 | 2018 |
| Surface Water Treatment Rule | TT | 5 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.