Bucks County, PA

ZIP 18951

In ZIP 18951, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Coopersburg Mun Water Auth has 2 contaminants at or over an EPA legal limit; 10 contaminants are above health goals, led by arsenic at 6,929× California’s Public Health Goal.
• Nearest Superfund site: Watson Johnson Landfill, 0.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Carpenter Technology Corp (31%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.2 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 18951

• Superfund sites nearbyD to F
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityA to C
• Drinking water qualityD to F
• Pesticide useC to F
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsC to D
• Noise levelsA to C
• Radiation signalsD to F

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

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