Tap water in Hillsboro, OH — ZIP 45133
3 public water systems serving about 50,558 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 45133
Highland County Water Company, Inc.
PWSID OH3600514 · serves 28,421 ·
groundwater
0 health-based / 1 total violations (5 yrs)
Pike Water, Inc.-Plant Pws
PWSID OH6602412 · serves 15,487 ·
groundwater
0 health-based / 4 total violations (5 yrs)
· PFAS up to 3.1 ppt
Hillsboro City
PWSID OH3600614 · serves 6,650 ·
surface water
0 health-based / 3 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