SUN LAKES STATE PARK
PWS ID: WA53SP920 · Coulee City, Washington 99115
Population Served
4,858
Total Violations
17
Health-Based Violations
9
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 303
- County
- Grant
- School/Daycare
- No
- MCL Violations
- 9
- Monitoring Violations
- 5
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 9 | 2006 |
| Coliform (TCR) | MR | 3 | 1997 |
| Revised Total Coliform Rule | MON | 2 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.