Washoe County, NV

ZIP 89442

In ZIP 89442, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Truckee Meadows Water Authority has 3 contaminants at or over an EPA legal limit; 26 contaminants are above health goals, led by pfos at 7.6× California’s Public Health Goal.
• Closer to Superfund sites than 96% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Tesla Gigafactory (100%), mostly cobalt compounds.
• Fine particles (PM2.5) average 7.2 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 89442

• Superfund sites nearbyA to F
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB
• Drinking water qualityC to F
• Pesticide useC to D
• Neighborhood health statusD to F
• Past wildfire impactsF
• Past flood impactsA to B
• Noise levelsA
• Radiation signalsC to D

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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