Water Quality in Allentown, PA (18102)
EPA violation data for public water systems serving ZIP code 18102.
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 93% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
51,001
Population
9
Water Systems
66
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (9)
Lca Allentown Division
All resolvedLca Wlsa Central Division
Neffs Valley Park
Oakwood Apartments
Gillett Mhc
1 health-basedG And N Auction
Walnut Gardens Water Co
Get Set Learning Center
Iacoccas Catering
Contaminants Found
Used to disinfect water — generally safe at regulated levels.
Annual water quality report delivery requirement.
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 (18102) has more violations than 93% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 66.
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.
Whole House Carbon Filter
A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.
Targets:Chlorine, Sediment, Taste & Odor
Look for:NSF/ANSI 42 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.