Cumberland County, PA

ZIP 17257

In ZIP 17257, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Bear Valley Joint Auth has 1 contaminant at or over an EPA legal limit; 11 contaminants are above health goals, led by monochloroacetic acid at 19× California’s Public Health Goal.
• Nearest Superfund site: Letterkenny Army Depot (se Area), 1.5 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Bwise Trailers (53%), mostly chromium.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 251,076 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 17257

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

Based on 11 census tracts · compiled October 25, 2026 · how each grade works and its sources

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