EVANS CAMPGROUND
PWS ID: WA53NP240 · Coulee dam, Washington 99116
Population Served
581
Total Violations
3
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 17
- County
- Stevens
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 2
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 1 | 2013 |
| Coliform (TCR) | MCL | 1 | 1994 |
| Revised Total Coliform Rule | MON | 1 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.