Water Quality in Hamilton, OH (45044)
EPA violation data for public water systems serving ZIP code 45044.
No Health-Based Violations
None of the 17 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are31 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 85% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
56,217
Population
17
Water Systems
31
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (17)
Butler Co. Water District 2 Pws
All resolvedWarren County
All resolvedHamilton Public Water System
All resolvedHamilton/South Water Plant
Middletown City Pws
Fairfield City Pws
Southwest Regional Water District
Western Water Company
Kings Island Pws
All resolvedOxford City Pws
Swr Water District South Plant Pws
Dayton Ohio Fm Group
Jehovah'S Witness-Middletown
Church Of Jesus Christ-Fairborn Pws
Northview Utility Corporation Pws
All resolvedAmericanna Amusement Park
The Church Of Jesus Christ Of Lds
All resolvedContaminants Found
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jul 2024
How Does This Compare?
Hamilton (45044) has more violations than 85% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 31, 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.