OLALLIE LAKE RESORT
PWS ID: OR4194426 · PORTLAND, Oregon 97219
Population Served
30
Total Violations
132
Health-Based Violations
2
Water Source
Surface Water
System Details
- System Type
- Transient Non-Community
- Owner Type
- Public/Private
- Connections
- 1
- County
- Jefferson
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 104
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 55 | 2023 |
| Coliform (TCR) | MR | 41 | 2012 |
| Nitrate | MR | 5 | 2011 |
| Revised Total Coliform Rule | MON | 3 | 2023 |
| Surface Water Treatment Rule | TT | 2 | 1992 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.