JEFFERSON COUNTY WATER DIST #1
PWS ID: WA5336705 · Port Ludlow, Washington 98365
Population Served
600
Total Violations
61
Health-Based Violations
38
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 203
- County
- Jefferson
- School/Daycare
- No
- MCL Violations
- 38
- Monitoring Violations
- 21
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 37 | 2015 |
| Nitrate | MR | 8 | 2024 |
| Diquat | MR | 5 | 2005 |
| Arsenic | MR | 3 | 2025 |
| Coliform (TCR) | MR | 3 | 2003 |
| Consumer Confidence Rule | Other | 2 | 2023 |
| Coliform (TCR) | MCL | 1 | 1993 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Lead and Copper Rule | MR | 1 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.