Tap water in Yucaipa, CA — ZIP 92399
4 public water systems serving about 137,126 people. PFAS "forever chemicals" have been detected here.
F
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 92399
Beaumont Cherry Valley Wd
PWSID CA3310002 · serves 66,841 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Yucaipa Valley Water District
PWSID CA3610055 · serves 52,202 ·
surface water
3 health-based / 3 total violations (5 yrs)
· PFAS up to 10 ppt — above federal limit
South Mesa Wc
PWSID CA3310017 · serves 10,348 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 8.9 ppt
Western Heights Water Company
PWSID CA3610053 · serves 7,735 ·
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