Tap water in Tucson, AZ — ZIP 85705
3 public water systems serving about 753,401 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 85705
Tucson City Of
PWSID AZ0410112 · serves 732,906 ·
groundwater
0 health-based / 32 total violations (5 yrs)
· PFAS up to 8.1 ppt
Flowing Wells Irrigation District
PWSID AZ0410051 · serves 16,000 ·
groundwater
1 health-based / 55 total violations (5 yrs)
· PFAS up to 9 ppt — above federal limit
Ray Water Company Inc
PWSID AZ0410095 · serves 4,495 ·
groundwater
0 health-based / 4 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