Dauphin County, PA

ZIP 17120

In ZIP 17120, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pa American Water Co West has 1 contaminant at or over an EPA legal limit; 8 contaminants are above health goals, led by pfos at 5.1× California’s Public Health Goal.
• Nearest Superfund site: Navy Ships Parts Control Center, 5.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Armstrong World Industries (22%), mostly chromium.
• Fine particles (PM2.5) average 8.9 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 17120

• Superfund sites nearbyD
• Factories and industrial sitesF
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityF
• Drinking water qualityC to D
• Pesticide useD
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsD
• Radiation signalsF

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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