Denver County, CO

ZIP 80249

In ZIP 80249, 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: Rocky Mountain Arsenal (usarmy), 4.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Terumo Bct Sterilization Services Inc (86%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,980 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 80249

• Superfund sites nearbyD to F
• Factories and industrial sitesA to D
• Oil and gas wellsB to D
• Parks and nature nearbyD
• Air qualityA to B
• Drinking water qualityD to F
• Pesticide useB to C
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to F
• Radiation signalsF

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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