Clark County, NV

ZIP 89021

In ZIP 89021, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Nps Boulder Beach meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 254× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Lhoist Na Of Arizona-Apex Plant (Part) (94%), mostly nickel compounds.
• Fine particles (PM2.5) average 5.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 7,640 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 89021

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityD
• Pesticide useC
• Neighborhood health statusC
• Past wildfire impactsC to D
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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