Water Quality in Cincinnati, OH (45246)
EPA violation data for public water systems serving ZIP code 45246.
No Health-Based Violations
None of the 13 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are6 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 57% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
13,527
Population
13
Water Systems
6
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (13)
Cincinnati Public Water System
Cincinnati, City Of-Miller
Butler Co. Water District 2 Pws
All resolvedCincinnati, City Of-Bolton Plt
Hamilton Public Water System
All resolvedHamilton/South Water Plant
Middletown City Pws
Fairfield City Pws
Southwest Regional Water District
Oxford City Pws
Swr Water District South Plant Pws
Glendale Village Pws
Rivers Crossing
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Cincinnati (45246) has more violations than 57% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 6, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.