Arapahoe County, CO

ZIP 80016

In ZIP 80016, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Elkhorn Ranch Md No 1 meets every EPA legal limit; 8 contaminants are above health goals, led by arsenic at 94× California’s Public Health Goal.
• Nearest Superfund site: Lowry Landfill, 2.1 miles away.
• Largest share of modeled toxic air from industry: Terumo Bct Sterilization Services Inc (87%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 41,186 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 80016

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

Based on 16 census tracts · compiled October 25, 2026 · how each grade works and its sources

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