Anchorage County, AK

ZIP 99507

In ZIP 99507, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Unified Alaskan Utilities Moorehand Div. has 1 contaminant at or over an EPA legal limit; 6 contaminants are above health goals, led by arsenic at 4,780× California’s Public Health Goal.
• Nearest Superfund site: Elmendorf Air Force Base, 7.0 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Tesoro - Anchorage Terminal (86%), mostly benzene.
• Fine particles (PM2.5) average 4.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 99507

• Superfund sites nearbyD to F
• Factories and industrial sitesB
• Oil and gas wellsB
• Air qualityA
• Drinking water qualityC to F
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsA
• Radiation signalsB

Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources

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