💧 ZIP Water Report

Tap water in Tukwila, WA — ZIP 98188

4 public water systems serving about 266,463 people. PFAS "forever chemicals" have been detected here.

A
Excellent
PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5 testing. Levels and the 2024 federal limits are shown per system below.

Water systems serving 98188

Renton City Of
PWSID WA5371850 · serves 108,091 · groundwater
0 health-based / 0 total violations (5 yrs) · PFAS up to 3 ppt
A
Highline Water District
PWSID WA5340650 · serves 100,170 · surface water
0 health-based / 0 total violations (5 yrs)
A
Tukwila Water Department
PWSID WA5389500 · serves 36,298 · surface water
0 health-based / 0 total violations (5 yrs)
A
King County Water District #125
PWSID WA5341998 · serves 21,904 · surface water
0 health-based / 1 total violations (5 yrs)
A

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology