Water Quality in Allentown, PA (18018)
EPA violation data for public water systems serving ZIP code 18018.
No Health-Based Violations
None of the 17 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are22 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 80% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
32,965
Population
17
Water Systems
22
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (17)
Lca Allentown Division
All resolvedCity Of Bethlehem
All resolvedEaston Area Water System
Easton Suburban Water Auth
Lca Wlsa Central Division
Northampton Boro Muni Auth
All resolvedBeth 512 System
Beth East Allen Gdns
All resolvedJolly Joe Timmers Grove
Beth Wil Mar Manor
All resolvedBeth Country Squire Estates
All resolvedBeth Shady Lane System
All resolvedBirks Acres Grove Walter Birk
Lorishs Mobile Park
Conrail Camp-Car Site
Bethlehem Central Park System
Weprep
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Similar to nitrate — harmful to infants at high levels.
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Allentown (18018) has more violations than 80% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 22, 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.