Montessori Spring Valley Supply
PWS ID: WA5337300 · Allyn, Washington 98524
Population Served
121
Total Violations
21
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 3
- County
- King
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 21
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 12 | 2020 |
| Coliform (TCR) | MR | 4 | 2015 |
| Arsenic | MR | 3 | 2024 |
| Nitrate | MR | 1 | 2009 |
| Revised Total Coliform Rule | MON | 1 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.