Tap water in Barnstable, MA — ZIP 02601
2 public water systems serving about 40,400 people. PFAS "forever chemicals" have been detected here.
C
Fair
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 02601
Hyannis Water System, Town Of Barnstable
PWSID MA4020004 · serves 35,000 ·
groundwater
0 health-based / 2 total violations (5 yrs)
· PFAS up to 29.8 ppt
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
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology