Arapahoe County, CO

ZIP 80012

In ZIP 80012, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Aurora City Of meets every EPA legal limit; 19 contaminants are above health goals, led by pfos at 2.2× California’s Public Health Goal.
• Nearest Superfund site: Sand Creek Industrial, 6.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Terumo Bct Sterilization Services Inc (87%), 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 41,186 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 80012

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

Based on 19 census tracts · compiled September 10, 2026 · how each grade works and its sources

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