Tap water in Tucson, AZ — ZIP 85658
2 public water systems serving about 748,068 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 85658
Tucson City Of
PWSID AZ0410112 · serves 732,906 ·
groundwater
0 health-based / 32 total violations (5 yrs)
· PFAS up to 8.1 ppt
Marana Municipal - Marana
PWSID AZ0410150 · serves 15,162 ·
groundwater
0 health-based / 1 total violations (5 yrs)
· PFAS up to 20.7 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