Tap water in Sierra Vista, AZ — ZIP 85635
2 public water systems serving about 29,278 people. PFAS "forever chemicals" have been detected here.
C
Fair
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 85635
Bella Vista City Water System
PWSID AZ0402010 · serves 20,045 ·
groundwater
0 health-based / 2 total violations (5 yrs)
· PFAS up to 3.5 ppt
Arizona Water Co - Sierra Vista
PWSID AZ0402004 · serves 9,233 ·
groundwater
1 health-based / 2 total violations (5 yrs)
· PFAS up to 4.4 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology