Southeast Fairbanks County, AK

ZIP 99737

In ZIP 99737, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mentasta Washeteria/14 Plex meets every EPA legal limit; 1 contaminant is above health goals, led by arsenic at 855× California’s Public Health Goal.
• Closer to Superfund sites than 53% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Pogo Mine (86%), mostly arsenic compounds.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 99737

• Superfund sites nearbyA to C
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityA to C
• Neighborhood health statusB to F
• Past wildfire impactsA to D
• Past flood impactsA
• Radiation signalsB to C

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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