Spokane County, WA
ZIP 99026
In ZIP 99026, 7 of the 12 things we check have at least one part graded D or F.
- Drinking water: Airway Heights City Of has 2 contaminants at or over an EPA legal limit; 11 contaminants are above health goals, led by pfos at 37× California’s Public Health Goal.
- Nearest Superfund site: Northside Landfill, 4.4 miles away (3 within 10 miles).
- Largest share of modeled toxic air from industry: Spokane Industries (74%), mostly chromium.
- Fine particles (PM2.5) average 8.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 196,024 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 99026
- Superfund sites nearbyA to F
- Factories and industrial sitesA to C
- Oil and gas wellsA to B
- Parks and nature nearbyB to C
- Air qualityB to D
- Drinking water qualityA to F
- Pesticide useC to F
- Neighborhood health statusB to F
- Past wildfire impactsA
- Past flood impactsA
- Noise levelsA to D
- Radiation signalsC to F
Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources
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