Elk County, PA

ZIP 15845

In ZIP 15845, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Johnsonburg Municipal Auth has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by trichloroacetic acid at 146× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Domtar - Johnsonburg Mill (86%), mostly formaldehyde.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,514 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 15845

• Superfund sites nearbyA
• Factories and industrial sitesA to C
• Oil and gas wellsF
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityB to F
• Pesticide useC to D
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsC to F
• Noise levelsA to D
• Radiation signalsB to D

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

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