Douglas County, CO

ZIP 80134

In ZIP 80134, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Meridian Md meets every EPA legal limit; 8 contaminants are above health goals, led by arsenic at 234× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Terumo Bct Sterilization Services Inc (92%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.7 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 80134

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA to B
• Drinking water qualityB to C
• Pesticide useA to C
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsF

Based on 17 census tracts · compiled October 25, 2026 · how each grade works and its sources

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