Tap water in Rancho Santa Fe, CA — ZIP 92091
2 public water systems serving about 107,997 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 92091
Olivenhain Mwd
PWSID CA3710029 · serves 86,458 ·
surface water
0 health-based / 0 total violations (5 yrs)
Santa Fe I.d.
PWSID CA3710023 · serves 21,539 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 4.5 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology