Casey's

504 W Mary St, Ottumwa, IA

Octane

Station Details

Address: 504 W Mary St
Ottumwa, IA
Fuel: 87-octane, zero ethanol (E0)
Phone: 6412550236

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✓ Independently Verified

Verified against Casey's own store-level fuel data, which flags the stores that carry ethanol-free 87-octane. Last verified May 5, 2026. How we verify · All Casey's E0 stations

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