Arapahoe County, CO

ZIP 80123

In ZIP 80123, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Englewood City Of meets every EPA legal limit; 15 contaminants are above health goals, led by pfos at 1.9× California’s Public Health Goal.
• Nearest Superfund site: Denver Radium Site, 7.7 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Terumo Bct Sterilization Services Inc (95%), 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 80123

• Superfund sites nearbyC to D
• Factories and industrial sitesC to D
• Oil and gas wellsA to B
• Parks and nature nearbyC to F
• Air qualityA to C
• Drinking water qualityD to F
• Pesticide useA to D
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsD to F

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

Loading the full report, with every source…