Lehigh County, PA

ZIP 18034

In ZIP 18034, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Bethlehem meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 43× California’s Public Health Goal.
• Nearest Superfund site: Rodale Manufacturing Co., Inc., 1.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Carpenter Technology Corp (39%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.4 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 18034

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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