Elko County, NV

ZIP 89831

In ZIP 89831, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Jarbidge Water System meets every EPA legal limit; 4 contaminants are above health goals, led by chloroform at 765× California’s Public Health Goal.
• Closer to Superfund sites than 55% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Nevada Gold Mines LLC - Goldstrike Mines Inc (88%), mostly arsenic compounds.
• Fine particles (PM2.5) average 5.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 37,599 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 89831

• Superfund sites nearbyC
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityC to D
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsF
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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