Water Quality in Allentown, PA (19539)
EPA violation data for public water systems serving ZIP code 19539.
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 87% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
3,823
Population
20
Water Systems
37
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (20)
Lca Allentown Division
All resolvedReading Area Water Authority
1 health-basedLca Wlsa Central Division
Hunsickers Grove
St Pauls Evan Lutheran Church
Fredericksville Mennonite Ch
Blue Orchid Inn Inc
Longswamp Elem Sch
Snuzzles
Longswamp Ucc
All resolvedLiberty At Dryville
Brandywine Medical Ctr
Sherwood Tavern Inc
Fredericksville Hotel
Gateway Christian School
Shamrock Hotel
Mertztown Great Valu Market
Atlas Mineral & Chemical
All resolvedLongswamp Bed & Breakfast
Shaner Mobile Home Park
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 (19539) has more violations than 87% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 37.
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.