LOPEZ SCHOOL DISTRICT #144
PWS ID: WA5348276 · Lopez Island, Washington 98261-0683
Population Served
402
Total Violations
9
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 3
- County
- San Juan
- School/Daycare
- Yes
- MCL Violations
- 5
- Monitoring Violations
- 2
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 5 | 1996 |
| Coliform (TCR) | MR | 2 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.