Douglas County, NV

ZIP 89460

In ZIP 89460, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Topaz Lake Water Co Inc has 1 contaminant at or over an EPA legal limit; 4 contaminants are above health goals, led by arsenic at 6,321× California’s Public Health Goal.
• Nearest Superfund site: Leviathan Mine, 8.2 miles away.
• Largest share of modeled toxic air from industry: Pcc Structurals Carson City (59%), mostly cobalt.
• Fine particles (PM2.5) average 8.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 7,693 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 89460

• Superfund sites nearbyA to D
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA to D
• Drinking water qualityC to F
• Pesticide useB to D
• Neighborhood health statusC to F
• Past wildfire impactsA to F
• Past flood impactsB
• Noise levelsA
• Radiation signalsF

Based on 6 census tracts · compiled October 25, 2026 · how each grade works and its sources

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