Storey County, NV

ZIP 89521

In ZIP 89521, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mount Rose Bowl Property Owners Water Co meets every EPA legal limit; 5 contaminants are above health goals, led by trichloroacetic acid at 52× California’s Public Health Goal.
• Closer to Superfund sites than 92% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Tesla Gigafactory (99%), mostly cobalt compounds.
• Fine particles (PM2.5) average 9.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 11,722 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 89521

• Superfund sites nearbyC to F
• Factories and industrial sitesC to F
• Oil and gas wellsA
• Parks and nature nearbyA to C
• Air qualityB to F
• Drinking water qualityB to F
• Pesticide useA to C
• Neighborhood health statusA to D
• Past wildfire impactsA to F
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsD to F

Based on 13 census tracts · compiled October 25, 2026 · how each grade works and its sources

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