ROSS LAKE RESORT
PWS ID: WA53NP160 · Marblemount, Washington 98267
Population Served
119
Total Violations
15
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 18
- County
- Whatcom
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 8
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 8 | 2019 |
| Coliform (TCR) | MCL | 3 | 1997 |
| Revised Total Coliform Rule | MCL | 2 | 2018 |
| Revised Total Coliform Rule | TT | 2 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.