Bucks County, PA

ZIP 18923

In ZIP 18923, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Plumstead Northern System has 2 contaminants at or over an EPA legal limit; 8 contaminants are above health goals, led by pfoa at 643× California’s Public Health Goal.
• Nearest Superfund site: Chem-Fab, 1.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Custom Processing Services LLC (31%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.1 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 18923

• Superfund sites nearbyF
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB
• Drinking water qualityC to F
• Pesticide useC to D
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsC to D
• Noise levelsA
• Radiation signalsF

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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