Tap water in Lexington, MA — ZIP 02421
2 public water systems serving about 45,863 people.
A
Excellent
Water systems serving 02421
Lexington Water Dept. (Mwra)
PWSID MA3155000 · serves 34,074 ·
surface water
0 health-based / 2 total violations (5 yrs)
Hanscom Afb
PWSID MA3023002 · serves 11,789 ·
surface water
0 health-based / 0 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology