Jefferson County, PA

ZIP 15829

In ZIP 15829, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Knox Township Munic Authority meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 121× 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: Owens-Brockway Glass Container Inc Plant 18 (20%), mostly chromium.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 33,211 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 15829

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

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

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