Lyon County, NV

ZIP 89447

In ZIP 89447, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Yerington City Of meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 25× California’s Public Health Goal.
• Nearest Superfund site: Anaconda Copper Mine, 4.2 miles away.
• Largest share of modeled toxic air from industry: Tesla Gigafactory (93%), mostly cobalt compounds.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 105,070 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 89447

• Superfund sites nearbyF
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityA to B
• Drinking water qualityD
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsD to F

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

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