Tap water in Hamilton, OH — ZIP 45005
2 public water systems serving about 54,546 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 45005
Southwest Regional Water District
PWSID OH0903912 · serves 42,856 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 3.1 ppt
Franklin Public Water System
PWSID OH8300412 · serves 11,690 ·
groundwater
0 health-based / 2 total violations (5 yrs)
· PFAS up to 4.1 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