Ethanol-Free Gas in Fort Madison, IA

3 verified ethanol-free gas stations

Fort Madison has 3 verified ethanol-free gas stations, all Casey's locations. All 3 carry 87-octane E0. For 90-octane or higher E0, the closest option is Site in Keokuk, Iowa, about 15 miles away. Every listing is independently verified; the most recent check in Fort Madison was May 5, 2026.

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Ethanol-Free Gas in Fort Madison

Casey's

1208 Ave H, Fort Madison, IA

3193872142

oct

Casey's

1428 38th St, Fort Madison, IA

3193721897

oct

Casey's

6130 Avenue O, Fort Madison, IA

3193172950

oct

All Iowa Stations

Nearby Cities with Ethanol-Free Gas

Straight-line distance from Fort Madison.

Keokuk, IA

3 stations · 15 mi away

Burlington, IA

3 stations · 17 mi away

Muscatine, IA

6 stations · 57 mi away

Riverside, IA

3 stations · 60 mi away

Ottumwa, IA

4 stations · 62 mi away

Ethanol-Free Gas in Fort Madison: FAQ

Is there ethanol-free gas in Fort Madison, IA?

Yes. Fort Madison has 3 gas stations verified to sell ethanol-free (E0) gasoline: Casey's (3 locations).

Does Fort Madison have 90-octane or higher ethanol-free gas?

Not currently. Stations in Fort Madison top out at 87-octane E0. The nearest station with 90-octane or higher is Site in Keokuk, Iowa, about 15 miles away.

Which brands sell ethanol-free gas in Fort Madison?

Casey's (3 locations). All locations are independently verified through chain-website confirmation or direct source data; the most recent verification in Fort Madison was May 5, 2026.