💧 ZIP Water Report

Tap water in Watertown, MA — ZIP 02471

1 public water system serving about 35,985 people.

A
Excellent

Water systems serving 02471

Watertown Department Of Public Works
PWSID MA3314000 · serves 35,985 · surface water
0 health-based / 0 total violations (5 yrs)
A

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