Creek County, OK

ZIP 74030

In ZIP 74030, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Oilton has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by arsenic at 3,100× California’s Public Health Goal.
• Nearest Superfund site: Hudson Refinery, 5.4 miles away.
• Largest share of modeled toxic air from industry: Sterling Specialty Chemicals LLC (66%), 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 33,481 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 74030

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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