Arapahoe County, CO

ZIP 80112

In ZIP 80112, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Meridian Md meets every EPA legal limit; 8 contaminants are above health goals, led by arsenic at 234× 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 (75%), 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 D
• Oil and gas wellsA to B
• Parks and nature nearbyB to C
• Air qualityB to C
• Drinking water qualityB to C
• Pesticide useB to C
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to F
• Radiation signalsF

Based on 14 census tracts · compiled October 25, 2026 · how each grade works and its sources

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