Blair County, PA

ZIP 16686

In ZIP 16686, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Grier School meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 43× California’s Public Health Goal.
• Nearest Superfund site: Delta Quarries & Disposal, Inc./stotler Landfill, 4.3 miles away.
• Largest share of modeled toxic air from industry: W R Grace & Co (40%), mostly acrolein.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 52,455 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 16686

• Superfund sites nearbyA to F
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityB
• Drinking water qualityB to F
• Pesticide useD to F
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsC to F

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

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