Dauphin County, PA

ZIP 17104

In ZIP 17104, 8 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, 6.8 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Precisionform Inc (22%), mostly chromium.
• Fine particles (PM2.5) average 9.2 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 17104

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

Based on 6 census tracts · compiled October 25, 2026 · how each grade works and its sources

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