Water Quality in Cincinnati, OH (45030)
EPA violation data for public water systems serving ZIP code 45030.
Active Health Violations
1 health-based violation found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 48% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
21,640
Population
41
Water Systems
4
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (41)
Cincinnati Public Water System
Cincinnati, City Of-Miller
Cincinnati, City Of-Bolton Plt
Harrison City Pws
Harrison Twp Water Corp.
Rolling Acres Mobile Pk.
Harrison High School
The Plantation
Harrison Junior High School
Rumpke Park 3 Concessio
Rumpke Park #1
Rumpke Park #2
Branch Hill Mobile Home
Crosby Elementary School
Cincinnati Incorporated
All resolvedToms Food Mart Pws
Twin Rivers Water Corporation
Haven Park West Mobile V
Borderline Bar & Grill
Pataskala Shell
Mapleleaf Truck Stop
Mapleleaf Mobile Home Park Pws
Vince'S Texaco Service Station
New Baltimore Grocery
Mvp Sports Park
1 health-basedLes Flick'S Home Like Inn Pws
Whitewater Processing, Llc
West Harrison Water Works
Red Wood Mobile Home Park
Bp Site #9226
Paris And Frans Carry Out
Gin Mill Inn
Amazing Grace Lutheran Church Pws
Pci Builders Resource Pws
Crosby Township Senior Center
Duwell Vfw Post 7570
Cincinnati Technical Center
Smitty'S Corner Grocery
Harolds Club
Morgans Service Station
Tippecanoe Night Club
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Cincinnati (45030) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.