LAKE ARROWHEAD
PWS ID: WA5343600 · Shelton, Washington 98584
Population Served
343
Total Violations
10
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 258
- County
- Mason
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 0
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 8 | 2004 |
| Consumer Confidence Rule | Other | 1 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.