Tap water in Mamaroneck, NY — ZIP 10538
2 public water systems serving about 66,114 people.
A
Excellent
Water systems serving 10538
Westchester Joint Water Works
PWSID NY5903435 · serves 59,629 ·
surface water
0 health-based / 0 total violations (5 yrs)
Larchmont Village
PWSID NY5903433 · serves 6,485 ·
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