Montgomery County, PA

ZIP 19403

In ZIP 19403, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Aqua Pa Main System has 2 contaminants at or over an EPA legal limit; 25 contaminants are above health goals, led by lead at 88× California’s Public Health Goal.
• Nearest Superfund site: Moyers Landfill, 0.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Superior Tube Co Inc (87%), mostly 1-bromopropane.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 38,013 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 19403

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

Based on 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…