Water Quality in Delaware, OH (43344)
EPA violation data for public water systems serving ZIP code 43344.
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 73% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
6,173
Population
15
Water Systems
14
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (15)
Del-Co Water Company, Inc.
Aqua Ohio - Marion
Delaware City Pws
Del-Co Water/Olentangy Plant
Del-Co Water Co/Alum Cr.Plant
Marysville City Pws
Richwood Village Pws
1 health-basedDairy Bar Of Green Camp
All resolvedFulton Creek Evangelical Friends Church
All resolvedJackson Elementary School
El Picacho Mexican American Restaurant
Marysville Jehovahs Witness
Essex United Methodist Church
Union Baptist Church
Leesburg-Magnetic Headstart
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Delaware (43344) has more violations than 73% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 14.
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.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 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.