Muskogee County, OK

ZIP 74428

In ZIP 74428, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Kusa Rwd #3 meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 189× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Sterling Specialty Chemicals LLC (29%), mostly chromium.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 72,962 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 74428

• Superfund sites nearbyA to C
• Factories and industrial sitesA
• Oil and gas wellsF
• Parks and nature nearbyB to F
• Air qualityB
• Drinking water qualityC
• Pesticide useD to F
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsA to C

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

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