Montgomery County, PA

ZIP 19405

In ZIP 19405, 5 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; 18 contaminants are above health goals, led by pfoa at 943× California’s Public Health Goal.
• Nearest Superfund site: Crater Resources, Inc./keystone Coke Co./alan Wood Steel Co., 0.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Coopers Creek Chemical Corp (77%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 8.9 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 19405

• Superfund sites nearbyF
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityD to F
• Drinking water qualityC to F
• Pesticide useB
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsC to D

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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