Carter County, OK

ZIP 73437

In ZIP 73437, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: West Davis Rwd meets every EPA legal limit; 10 contaminants are above health goals, led by bromodichloromethane at 400× California’s Public Health Goal.
• Nearest Superfund site: Imperial Refining Company, 6.3 miles away.
• Largest share of modeled toxic air from industry: Valero Refining Co -Oklahoma Valero Ardmore Refinery (51%), mostly chromium.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 30,909 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 73437

• Superfund sites nearbyA
• Factories and industrial sitesB
• Oil and gas wellsF
• Parks and nature nearbyB
• Air qualityB
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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