MOUNT BAKER SCHOOL DISTRICT-DEMING
PWS ID: WA5301468 · Deming, Washington 98244
Population Served
700
Total Violations
27
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Whatcom
- School/Daycare
- Yes
- MCL Violations
- 7
- Monitoring Violations
- 19
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 8 | 2005 |
| Coliform (TCR) | MCL | 7 | 2005 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2021 |
| TTHM | MR | 2 | 2021 |
| Lead and Copper Rule | MR | 2 | 2020 |
| Carbofuran | MR | 1 | 2008 |
| OXAMYL | MR | 1 | 2008 |
| Aldicarb | MR | 1 | 2008 |
| Aldicarb sulfoxide | MR | 1 | 2008 |
| Aldicarb sulfone | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.