Bucks County, PA

ZIP 18901

In ZIP 18901, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: North Wales Water Authority has 2 contaminants at or over an EPA legal limit; 17 contaminants are above health goals, led by pfos at 6.5× California’s Public Health Goal.
• Nearest Superfund site: Chem-Fab, 2.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Custom Processing Services LLC (36%), 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 73,480 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 18901

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

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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