💧 ZIP Water Report

Tap water in Barnstable, MA — ZIP 02632

2 public water systems serving about 55,400 people. PFAS "forever chemicals" have been detected here.

F
Failing
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 02632

Centerville Osterville Marstons Mills Wd
PWSID MA4020002 · serves 50,000 · groundwater
0 health-based / 31 total violations (5 yrs) · PFAS up to 7.5 ppt — above federal limit
F
Barnstable Fire District
PWSID MA4020000 · serves 5,400 · groundwater
0 health-based / 0 total violations (5 yrs) · PFAS up to 18.2 ppt — above federal limit
C

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