USFS WILLIAMSON RIVER CG
PWS ID: OR4192825 · CHILOQUIN, Oregon 97624
Population Served
50
Total Violations
51
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 1
- County
- Klamath
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 44
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 29 | 2014 |
| Nitrate | MR | 10 | 2021 |
| Revised Total Coliform Rule | MON | 5 | 2024 |
| Coliform (TCR) | MCL | 3 | 2003 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.