💧 ZIP Water Report

Tap water in Nantucket, MA — ZIP 02564

1 public water system serving about 3,000 people.

B
Good

Water systems serving 02564

Siasconset Water Department
PWSID MA4197001 · serves 3,000 · groundwater
0 health-based / 33 total violations (5 yrs)
B

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