LYMAN WATER DEPARTMENT
PWS ID: WA5349050 · Mount Vernon, Washington 98273
Population Served
705
Total Violations
28
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 219
- County
- Skagit
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 25
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Diquat | MR | 5 | 2005 |
| Coliform (TCR) | MCL | 2 | 1995 |
| OXAMYL | MR | 2 | 2008 |
| Carbofuran | MR | 2 | 2008 |
| Aldicarb sulfone | MR | 2 | 2008 |
| Aldicarb sulfoxide | MR | 2 | 2008 |
| Aldicarb | MR | 2 | 2008 |
| Consumer Confidence Rule | Other | 1 | 2016 |
| Cadmium | MR | 1 | 1979 |
| Nitrate | MR | 1 | 1979 |
| Mercury | MR | 1 | 1979 |
| Fluoride | MR | 1 | 1979 |
| Arsenic | MR | 1 | 1979 |
| Lead and Copper Rule | MR | 1 | 1996 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Selenium | MR | 1 | 1979 |
| Barium | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.