Lycoming County, PA

ZIP 17720

In ZIP 17720, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lcwsa Limestone Water meets every EPA legal limit; 6 contaminants are above health goals, led by lead at 79× California’s Public Health Goal.
• Nearest Superfund site: Avco Lycoming (williamsport Division), 10.0 miles away.
• Largest share of modeled toxic air from industry: Arxada LLC (88%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 71,236 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 17720

• Superfund sites nearbyC
• Factories and industrial sitesC
• Oil and gas wellsB
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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