Montgomery County, PA

ZIP 19066

In ZIP 19066, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Philadelphia Water Department has 2 contaminants at or over an EPA legal limit; 17 contaminants are above health goals, led by lead at 44× California’s Public Health Goal.
• Nearest Superfund site: Havertown Pcp, 3.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Superior Tube Co Inc (33%), mostly 1-bromopropane.
• Fine particles (PM2.5) average 8.2 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 19066

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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