South Dakota /

Lake Oahe

Reservoir in South Dakota · 342,346 acres · near Forest City, Kenel, Mobridge, Pierre

Lake Oahe has 37 boat ramps listed as public.

Zebra mussels

South Dakota Game, Fish and Parks lists this water as infested with zebra mussels. Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.

South Dakota Game, Fish and Parks · checked October 18, 2026

Lake level: Lake Oahe

Today's level loads here; without it, see the agency's page below.

Full pool is 1,607.5 ft (USACE, Top of Conservation).

Level from U.S. Army Corps of Engineers, Corps Water Management System (Oahe Dam & Reservoir), about hourly; the agency's page. Levels change; check conditions at the ramp before you launch.

Launches

Community

Where people who fish, boat and paddle Lake Oahe talk about it. Lake associations, clubs and local groups will be added as we find them.

Wikidata: Q474408