Clark County, NV

ZIP 89104

In ZIP 89104, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Las Vegas Valley Water District meets every EPA legal limit; 17 contaminants are above health goals, led by arsenic at 456× 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: Emd Acquisition LLC (57%), mostly manganese compounds.
• Fine particles (PM2.5) average 7.3 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 89104

• Superfund sites nearbyA
• Factories and industrial sitesC
• Oil and gas wellsA to C
• Parks and nature nearbyD to F
• Air qualityB to C
• Drinking water qualityD
• Pesticide useB to C
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

Based on 22 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…