Anchorage County, AK

ZIP 99518

In ZIP 99518, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Homer Drive Apts. meets every EPA legal limit; 2 contaminants are above health goals, led by arsenic at 795× California’s Public Health Goal.
• Nearest Superfund site: Elmendorf Air Force Base, 7.5 miles away.
• Largest share of modeled toxic air from industry: Tesoro - Anchorage Terminal (89%), mostly benzene.
• Fine particles (PM2.5) average 5.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 99518

• Superfund sites nearbyD
• Factories and industrial sitesC to D
• Oil and gas wellsB
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityA to C
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsA
• Radiation signalsA to C

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

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