Tap water in Dayton, OH — ZIP 45428
2 public water systems serving about 141,532 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 45428
Dayton Public Water System
PWSID OH5703512 · serves 141,407 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 10 ppt — above federal limit
Dayton Va Bldg 410
PWSID OH5750618 · serves 125 ·
surface water
1 health-based / 5 total violations (5 yrs)
· PFAS up to 10.7 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