Douglas County, CO

ZIP 80126

In ZIP 80126, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sedalia Wsd meets every EPA legal limit; 9 contaminants are above health goals, led by arsenic at 260× California’s Public Health Goal.
• Nearest Superfund site: Air Force Plant Pjks, 9.5 miles away.
• Largest share of modeled toxic air from industry: Terumo Bct Sterilization Services Inc (92%), 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 80126

• Superfund sites nearbyA to C
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC to F
• Air qualityA to C
• Drinking water qualityC to D
• Pesticide useB
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to B
• Radiation signalsF

Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources

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