Adams County, PA

ZIP 17344

In ZIP 17344, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hanover Muni Water Works meets every EPA legal limit; 10 contaminants are above health goals, led by pfos at 1.4× California’s Public Health Goal.
• Nearest Superfund site: Keystone Sanitation Landfill, 5.6 miles away.
• Largest share of modeled toxic air from industry: Tate Access Floors Inc. (36%), mostly chromium.
• Fine particles (PM2.5) average 7.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 439,870 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 17344

• Superfund sites nearbyC to D
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityC
• Drinking water qualityC
• Pesticide useD to F
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsF

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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