Water Quality for ZIP 98040
Mercer Island, Washington — 2 water systems serve this area
Your Water System
MERCER ISLAND CITY OF
PWSID: WA5353640
No violations in the past 5 years
A
Safe
Safety Grade
Mercer Island, Washington — 2 water systems serve this area
Your Water System
PWSID: WA5353640
No violations in the past 5 years
Safe
Safety Grade