SHADOW MOUNTAIN
PWS ID: WA5388382 · SEQUIM, Washington 98382
Population Served
656
Total Violations
38
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 63
- County
- Clallam
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 32
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 14 | 2020 |
| Revised Total Coliform Rule | MON | 11 | 2019 |
| Coliform (TCR) | MR | 7 | 2014 |
| Coliform (TCR) | MCL | 5 | 2006 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.