💧 ZIP Water Report

Tap water in Winchester, MA — ZIP 01890

1 public water system serving about 22,970 people.

B
Good

Water systems serving 01890

Winchester Water Dept
PWSID MA3344000 · serves 22,970 · surface water
0 health-based / 12 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