Fairbanks North Star County, AK

ZIP 99775

In ZIP 99775, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: College Utilities Corporation has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by lead at 15× California’s Public Health Goal.
• Nearest Superfund site: Alaska Battery Enterprises, 5.5 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Fort Knox Mine (97%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 99775

• Superfund sites nearbyD
• Factories and industrial sitesB
• Oil and gas wellsA
• Air qualityC
• Drinking water qualityD
• Neighborhood health statusB
• Past wildfire impactsC
• Past flood impactsA

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

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