Eagle County, CO

ZIP 81620

In ZIP 81620, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Eagle River Wsd meets every EPA legal limit; 14 contaminants are above health goals, led by arsenic at 224× California’s Public Health Goal.
• Nearest Superfund site: Eagle Mine, 4.8 miles away.
• Largest share of modeled toxic air from industry: Climax Molybdenum Co Henderson Mill (95%), mostly chromium.
• Fine particles (PM2.5) average 4.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,337 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 81620

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

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

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