💧 ZIP Water Report

Tap water in Mountain View, CA — ZIP 94041

2 public water systems serving about 144,899 people. PFAS "forever chemicals" have been detected here.

A
Excellent
PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5 testing. Levels and the 2024 federal limits are shown per system below.

Water systems serving 94041

City Of Mountain View
PWSID CA4310007 · serves 81,340 · surface water
0 health-based / 0 total violations (5 yrs)
A
Cwsc Los Altos Suburban
PWSID CA4310001 · serves 63,559 · surface water
0 health-based / 0 total violations (5 yrs) · PFAS up to 3.5 ppt
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Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology