Washoe County, NV

ZIP 89511

In ZIP 89511, 9 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; 7 contaminants are above health goals, led by lead at 50× California’s Public Health Goal.
• Closer to Superfund sites than 89% 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 89511

• Superfund sites nearbyA to F
• Factories and industrial sitesB to D
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityB to F
• Drinking water qualityC to F
• Pesticide useB to D
• Neighborhood health statusB to C
• Past wildfire impactsD to F
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsD

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

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