King County, WA

ZIP 98024

In ZIP 98024, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: Fall City Water Dist.(Spring Hill) meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 35× California’s Public Health Goal.
• Nearest Superfund site: Queen City Farms, 8.5 miles away.
• Largest share of modeled toxic air from industry: Western Pneumatic Tube Co LLC (30%), mostly diisocyanates.
• Fine particles (PM2.5) average 5.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 17,223 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 98024

• Superfund sites nearbyA to C
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityC to F
• Pesticide useB
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…