Tap water in Wareham, MA — ZIP 02558

1 public water system serving about 5,392 people. PFAS "forever chemicals" have been detected here.

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 02558

Onset Fire Districtwater Dept.

PWSID MA4310003 · serves 5,392 · groundwater

0 health-based / 1 total violations (5 yrs) · PFAS up to 7.1 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