Washakie County, WY

ZIP 82401

In ZIP 82401, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Kirby, Town Of meets every EPA legal limit; 4 contaminants are above health goals, led by lead at 41× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Crown Beverage Packaging (100%), mostly certain glycol ethers.
• Fine particles (PM2.5) average 5.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 53,784 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 82401

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsA to D
• Parks and nature nearbyB to D
• Air qualityA
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA to F
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsF

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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