Jefferson County, PA
ZIP 15825
In ZIP 15825, 8 of the 12 things we check have at least one part graded D or F.
- Drinking water: Sykesville Borough meets every EPA legal limit; 8 contaminants are above health goals, led by chloroform at 94× California’s Public Health Goal.
- Closer to Superfund sites than 91% 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 (100%), mostly chromium compounds.
- Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 23,193 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 15825
- Superfund sites nearbyA to F
- Factories and industrial sitesA to D
- Oil and gas wellsF
- Parks and nature nearbyB to C
- Air qualityB to C
- Drinking water qualityA to C
- Pesticide useD to F
- Neighborhood health statusD to F
- Past wildfire impactsA
- Past flood impactsC to F
- Noise levelsA to D
- Radiation signalsD to F
Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources
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