Lehigh County, PA

ZIP 18037

In ZIP 18037, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Whitehall Twp Authority meets every EPA legal limit; 12 contaminants are above health goals, led by pfos at 3.7× California’s Public Health Goal.
• Nearest Superfund site: Heleva Landfill, 3.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: B. Braun Medical Inc Manufacturing Div (61%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 91,749 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 18037

• Superfund sites nearbyF
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyD
• Air qualityC to F
• Drinking water qualityD to F
• Pesticide useC to F
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsD
• Noise levelsA to C
• Radiation signalsD to F

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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