Tap water in Riverside, CA — ZIP 92507
3 public water systems serving about 409,784 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 92507
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
Western Mwd
PWSID CA3310049 · serves 87,955 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 4.7 ppt
Riverside Highland Water Company
PWSID CA3610057 · serves 19,053 ·
groundwater
0 health-based / 1 total violations (5 yrs)
· PFAS up to 19 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