PORT OF ALLYN
PWS ID: WA5368790 · Shelton, Washington 98584-5034
Population Served
397
Total Violations
14
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 78
- County
- Mason
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 8
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 3 | 2023 |
| Nitrate | MR | 2 | 2003 |
| Coliform (TCR) | MR | 2 | 2012 |
| Coliform (TCR) | MCL | 2 | 2006 |
| Consumer Confidence Rule | Other | 1 | 2024 |
| Lead and Copper Rule | MR | 1 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.