Adams County, CO

ZIP 80601

In ZIP 80601, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Wattenberg Improvement Assoc meets every EPA legal limit; 12 contaminants are above health goals, led by pfos at 2.8× California’s Public Health Goal.
• Nearest Superfund site: Rocky Mountain Arsenal (usarmy), 4.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Master Builders Solutions Construction Systems US LLC (61%), mostly diisocyanates.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 542,391 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 80601

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

Based on 15 census tracts · compiled September 10, 2026 · how each grade works and its sources

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