NOOKSACK WATER DEPT
PWS ID: WA5359800 · Nooksack, Washington 98276
Population Served
2,427
Total Violations
32
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 619
- County
- Whatcom
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 14
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 15 | 2000 |
| Coliform (TCR) | MR | 6 | 1994 |
| Consumer Confidence Rule | Other | 3 | 2015 |
| Fluoride | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Nitrate | MR | 1 | 1979 |
| Arsenic | MR | 1 | 1979 |
| Barium | MR | 1 | 1979 |
| Mercury | MR | 1 | 1979 |
| Selenium | MR | 1 | 1979 |
| Cadmium | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.