Water Quality in Allentown, PA (18103)
EPA violation data for public water systems serving ZIP code 18103.
Active Health Violations
4 health-based violations 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 90% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
48,746
Population
50
Water Systems
48
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (50)
Lca Allentown Division
All resolvedLca Wlsa Central Division
Salisbury Twp Water System
Grims Greenhouse & Farm Market
Schoenersville Inn
Lehigh Cc Club House System
All resolvedBurger King 2353
Hope U.C.C. Nursery School
Christ Uc Church %Rev E Foster
Black Forest Chalet
Witkos Mobile Home Park
Georges Oasis
Jerusalem Western Salisbury Ch
Lehigh Cc Halfway House Sys
Country Home Acres Water Co.
Gilly'S Mobilehome Park
Ec Waldheim Park
Echo Ridge Camp
Feast-A-Pizza
Saylors Mobile Home Park
Lehigh Valley Childrens Center
2 health-basedPilots Club
Trinkles
Pheasant Hills Estate
Williamson Mobilehome Park
South Mountain Grove
Health Ctr At Moselem Springs
1 health-basedCamp Helena
Casa Bianca
Tom Sawyer Diner
Limerick Texaco
Super Skyway Drive In
Rainbow Diner % Vaia,Inc.
Grace Community Church
Lakeview Mobile Home Park
King George Inn
Charcoal Drive Inn
Rainbow Diner
Chef Aide, Inc.
Schreiters Chuckwagon
Gsep Mountain House Camp
1 health-basedFlaggs Drive In
Toms Den
Tot Time Child Dev Center
Well House Tavern
Stavrianoudakas Cottages
All resolvedThe Cake Angel
J'S Steaks & Subs
Stavrianoudakas Cottages
All resolvedWawa Food Market #91
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Allentown (18103) has more violations than 90% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 48.
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.