Beckham County, OK

ZIP 73645

In ZIP 73645, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Beckham Co Rwd # 2 meets every EPA legal limit; 4 contaminants are above health goals, led by arsenic at 625× 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: Buffalo Creek Processing Plant (99%), mostly n-hexane (hexane).
• Fine particles (PM2.5) average 5.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 50,401 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 73645

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsC
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityD
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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