Ohio Water Quality
Tap water quality data for 11 cities and their water systems
All 11 Cities
Sorted by population served
Cleveland
Utility serves 1.3M
Hardness198 ppm
LeadBelow limit
Violations4 (3yr)
Columbus
Utility serves 1.3M
Hardness233.5 ppm
LeadBelow limit
ViolationsNone
Cincinnati
Utility serves 750K
Hardness284 ppm
LeadBelow limit
ViolationsNone
Toledo City of
Utility serves 360K
Hardness233.5 ppm
LeadBelow limit
Violations4 (3yr)
Akron City Pws
Utility serves 280K
Hardness186.5 ppm
LeadBelow limit
ViolationsNone
Del-co
Utility serves 150K
Hardness287 ppm
LeadBelow limit
ViolationsNone
Dayton
Utility serves 141K
Hardness304 ppm
LeadBelow limit
ViolationsNone
Clermont
Utility serves 133K
Hardness206 ppm
LeadBelow limit
Violations4 (3yr)
Youngstown City Pws
Utility serves 131K
Hardness163.5 ppm
LeadBelow limit
ViolationsNone
Butler Co.
Utility serves 117K
Hardness309 ppm
LeadBelow limit
Violations4 (3yr)
Canton
Utility serves 107K
Hardness266.5 ppm
LeadAbove limit
ViolationsNone