Tap water in Riverside, CA — ZIP 92324
4 public water systems serving about 660,089 people. PFAS "forever chemicals" have been detected here.
D
Poor
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 92324
Riverside, City Of
PWSID CA3310031 · serves 302,776 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.7 ppt — above federal limit
San Bernardino City
PWSID CA3610039 · serves 214,665 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 4.4 ppt
West Valley Water District
PWSID CA3610004 · serves 96,123 ·
surface water
0 health-based / 0 total violations (5 yrs)
Colton, City Of
PWSID CA3610014 · serves 46,525 ·
groundwater
0 health-based / 1 total violations (5 yrs)
· PFAS up to 18 ppt — above federal limit
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology