💧 ZIP Water Report

Tap water in Corte Madera, CA — ZIP 94903

1 public water system serving about 188,116 people.

A
Excellent

Water systems serving 94903

Marin Municipal Water District
PWSID CA2110002 · serves 188,116 · 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