Churchill County, NV

ZIP 89406

In ZIP 89406, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Carson River Estates has 1 contaminant at or over an EPA legal limit; 6 contaminants are above health goals, led by arsenic at 5,875× California’s Public Health Goal.
• Closer to Superfund sites than 93% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Kennametal Inc (Refinery) (93%), mostly sulfuric acid.
• 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 89406

• Superfund sites nearbyF
• Factories and industrial sitesB to F
• Oil and gas wellsA to F
• Parks and nature nearbyB to C
• Air qualityA to B
• Drinking water qualityB to F
• Pesticide useD to F
• Neighborhood health statusA to F
• Past wildfire impactsA to D
• Past flood impactsA to B
• Noise levelsA to B
• Radiation signalsF

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

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