Centre County, PA

ZIP 16851

In ZIP 16851, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: College Twp Water Authority meets every EPA legal limit; 13 contaminants are above health goals, led by pfos at 2.3× California’s Public Health Goal.
• Nearest Superfund site: Centre County Kepone, 1.9 miles away.
• Largest share of modeled toxic air from industry: Croda Inc (72%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 82,317 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 16851

• Superfund sites nearbyF
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityB
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsC
• Radiation signalsD

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

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