Adams County, CO

ZIP 80011

In ZIP 80011, 9 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, 6.6 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 165,365 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 80011

• Superfund sites nearbyD to F
• Factories and industrial sitesC to D
• Oil and gas wellsB to D
• Parks and nature nearbyC to F
• Air qualityA to C
• Drinking water qualityC to F
• Pesticide useC to F
• Neighborhood health statusA to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD to F

Based on 21 census tracts · compiled September 10, 2026 · how each grade works and its sources

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