Rogers County, OK

ZIP 74055

In ZIP 74055, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Owasso meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 162× California’s Public Health Goal.
• Nearest Superfund site: Tulsa Fuel and Manufacturing, 8.4 miles away.
• Largest share of modeled toxic air from industry: Sterling Specialty Chemicals LLC (62%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 35,105 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 74055

• Superfund sites nearbyA
• Factories and industrial sitesD to F
• Oil and gas wellsC to F
• Parks and nature nearbyB to D
• Air qualityB to D
• Drinking water qualityC
• Pesticide useB to D
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB to C

Based on 11 census tracts · compiled October 25, 2026 · how each grade works and its sources

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