RAINBOW FALLS STATE PARK
PWS ID: WA53SP720 · Olympia, Washington 98512
Population Served
321
Total Violations
31
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 30
- County
- Lewis
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 25
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 17 | 2015 |
| Nitrate | MR | 7 | 2020 |
| Coliform (TCR) | MCL | 5 | 1995 |
| Revised Total Coliform Rule | MON | 1 | 2018 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.