Gasconade County, MO

ZIP 63091

In ZIP 63091, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Owensville Pws meets every EPA legal limit; 4 contaminants are above health goals, led by chloroform at 2.8× California’s Public Health Goal.
• Nearest Superfund site: Oak Grove Village Well, 10.0 miles away.
• Largest share of modeled toxic air from industry: B.W.Freeman Inc. (95%), mostly diisocyanates.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 27,079 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 63091

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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