Tap water in Sunnyvale, CA — ZIP 94086

3 public water systems serving about 227,395 people. PFAS "forever chemicals" have been detected here.

Failing

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 94086

City Of Sunnyvale

PWSID CA4310014 · serves 157,566 · surface water

0 health-based / 0 total violations (5 yrs)

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

Bryan Co. Rws & Swmd #2

PWSID OK1010604 · serves 6,270 · surface water

3 health-based / 9 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