Ray County, MO

ZIP 64077

In ZIP 64077, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ray County Cons Pwsd 2 meets every EPA legal limit; 10 contaminants are above health goals, led by arsenic at 315× California’s Public Health Goal.
• Nearest Superfund site: Lee Chemical, 4.5 miles away.
• Largest share of modeled toxic air from industry: Harcros Chemicals Inc (46%), mostly ethylene oxide.
• 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 64077

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

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

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