Prairie Stop

Prairie Stop sells E85 flex fuel at 1007 9th Ave SW in Watertown, South Dakota. It is open 24 hours daily.

DirectionsSee it on the map

Address

1007 9th Ave SW, Watertown, SD 57201

Hours

24 hours daily

Phone

605-886-3133

Station type

Convenience Store

Other blends

E15 E20-E25 E30-E35

Blender pump

Yes

Payment

American Express, Cash, Discover, MasterCard, Tchek, Visa, Wright Express

Last confirmed

2026-08-11

Other E85 stations near Watertown

• Sioux Valley Co-op - Cenex, 220 10th St NW · 0.9 mi
• Cowboy Country Store, 504 9th Ave SE · 1.2 mi
• Sioux Valley Co-op - Cenex, 1016 5th St SE · 1.2 mi
• Cenex - Sioux Valley Coop Highway 212, 1601 9th Ave SE · 2.1 mi
• Cowboy Country Store, 1400 4th St NE · 2.4 mi
• Stone's Truck Stop, 3801 9th Ave SE · 3.8 mi

← All E85 stations in South Dakota