Arapahoe County, CO

ZIP 80112

In ZIP 80112, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Stonegate Md has 2 contaminants at or over an EPA legal limit; 13 contaminants are above health goals, led by pfos at 5.1× California’s Public Health Goal.
• Nearest Superfund site: Lowry Landfill, 7.0 miles away.
• Largest share of modeled toxic air from industry: Terumo Bct Sterilization Services Inc (59%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,590 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 80112

• Superfund sites nearbyA to C
• Factories and industrial sitesB to C
• Oil and gas wellsA to B
• Parks and nature nearbyC to D
• Air qualityB to C
• Drinking water qualityC to F
• Pesticide useB to D
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to F
• Radiation signalsD to F

Based on 14 census tracts · compiled September 10, 2026 · how each grade works and its sources

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