Caldwell County, MO

ZIP 64637

In ZIP 64637, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ray County Pwsd 3 meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 215× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Arnette Polymers LLC (90%), mostly diisocyanates.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 123,219 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 64637

• Superfund sites nearbyA
• Factories and industrial sitesB to C
• Oil and gas wellsB to F
• Parks and nature nearbyC to F
• Air qualityA to B
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to B
• Radiation signalsD

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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