Dauphin County, PA

ZIP 17109

In ZIP 17109, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Capital Region Water meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 90× California’s Public Health Goal.
• Nearest Superfund site: Navy Ships Parts Control Center, 8.2 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Precisionform Inc (27%), mostly chromium.
• Fine particles (PM2.5) average 9.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 60,359 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 17109

• Superfund sites nearbyA to C
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyD to F
• Air qualityC to F
• Drinking water qualityF
• Pesticide useC to F
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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