Water Quality in Delaware, OH (43035)
EPA violation data for public water systems serving ZIP code 43035.
No Health-Based Violations
None of the 6 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are8 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 62% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
36,012
Population
6
Water Systems
8
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (6)
Del-Co Water Company, Inc.
Delaware City Pws
Del-Co Water Co/Alum Cr.Plant
Del-Co Water/Olentangy Plant
Worthington Arms Mhc
Picket Fences Mhp
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
A naturally occurring element that can cause cancer and other health effects at high levels.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Delaware (43035) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8, 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.