ISSAQUAH WATER SYSTEM
Community Water System · Washington · ISSAQUAH
PWSID: WA5336350
WholesalerHas Violations
Population Served
43.6K
Service Connections
15.0K
Total Violations
257
Health-Based Violations
8
Lead & Copper Data
Lead Level
Safe1.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2022-12-31
015 ppb action level
Copper Level
1590 ppb
Action Level: 1,300 ppb (EPA) · Sampled: 2004-12-31
Copper action level exceeded
System Details
- Water Source
- Purchased Surface Water
- System Type
- Community Water System
- City
- ISSAQUAH
- ZIP Code
- 98027-1307
- Counties Served
- King
- Cities Served
- Issaquah
- Open Violations
- 0
- State
- Washington
Violation Summary
257
Total Violations
8
Health-Based
0
Open Now
Most recent violation: 2015-07-01
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: WA5336350.SafeWater Home