Pitkin County, CO

ZIP 81623

In ZIP 81623, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mountain Valley Mhp has 2 contaminants at or over an EPA legal limit; 11 contaminants are above health goals, led by pfoa at 786× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: American Gypsum Wallboard Plant - Eagle (100%), mostly lead.
• Fine particles (PM2.5) average 4.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,693 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 81623

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

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…