KING COUNTY WATER DISTRICT #20
Community Water System · Washington · Seattle
PWSID: WA5338950
WholesalerCompliant
Population Served
39.0K
Service Connections
14.7K
Total Violations
3
Health-Based Violations
1
Lead & Copper Data
Lead Level
No lead sampling data available
Copper Level
No copper sampling data available
System Details
- Water Source
- Purchased Surface Water
- System Type
- Community Water System
- City
- Seattle
- ZIP Code
- 98168
- Counties Served
- King
- Cities Served
- Seattle
- Open Violations
- 0
- State
- Washington
Violation Summary
3
Total Violations
1
Health-Based
0
Open Now
Most recent violation: 2003-07-01
Explore Washington Water Quality
See all water systems, lead data, and violation trends for Washington.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: WA5338950.SafeWater Home