💧 ZIP Water Report

Tap water in Tumwater, WA — ZIP 98501

2 public water systems serving about 178,890 people. PFAS "forever chemicals" have been detected here.

D
Poor
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 98501

Olympia City Of
PWSID WA5363450 · serves 126,966 · groundwater
0 health-based / 1 total violations (5 yrs) · PFAS up to 5.8 ppt — above federal limit
D
Tumwater City Of
PWSID WA5389700 · serves 51,924 · groundwater
0 health-based / 0 total violations (5 yrs) · PFAS up to 6.8 ppt
A

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