Pitkin County, CO

ZIP 81642

In ZIP 81642, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Wj Metro District meets every EPA legal limit; 11 contaminants are above health goals, led by pfos at 1.1× California’s Public Health Goal.
• Nearest Superfund site: Smuggler Mountain, 4.9 miles away.
• Largest share of modeled toxic air from industry: Climax Molybdenum Co-Climax Mine (92%), mostly manganese compounds.
• Fine particles (PM2.5) average 3.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,419 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 81642

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

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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