Campbell County, WY

ZIP 82731

In ZIP 82731, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Buckmiller Enterprises, Llc meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 11× 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: Basin Electric Dry Fork Station (100%), mostly chromium.
• Fine particles (PM2.5) average 5.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 26,131 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 82731

• Superfund sites nearbyA
• Factories and industrial sitesC
• Oil and gas wellsD
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityC to D
• Pesticide useD
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsF

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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