WALLACE FALLS STATE PARK
PWS ID: WA53SP970 · Issaquah, Washington 98027
Population Served
759
Total Violations
4
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 9
- County
- Snohomish
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 3
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 2 | 2003 |
| Revised Total Coliform Rule | MON | 1 | 2022 |
| Coliform (TCR) | MCL | 1 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.