Lyon County, NV

ZIP 89447

In ZIP 89447, 4 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; 10 contaminants are above health goals, led by arsenic at 1,153× 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 nearbyA to C
• Air qualityA to B
• Drinking water qualityC
• Pesticide useD to F
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsF

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…