Two rivers, the Osage and the Pomme de Terre, feed the county's lakes

Two rivers define the water in Benton County. The Osage River is the main stem that was dammed to create Truman Lake and, downstream, Lake of the Ozarks, and the Pomme de Terre River is a tributary whose arm reaches into the Truman Lake system. On the upper ends, the reservoirs look and behave more like rivers, with shallower, current-influenced water that matters for boating, fishing, and where the floodplain sits. The Missouri Department of Conservation is the authority for fishing, access points, and conservation areas along these waters, and the Corps of Engineers manages the Truman reservoir they feed. For residents, knowing whether a property fronts open lake or a river-arm section changes the recreation and the flood picture. Verify access points and any river-versus-lake boundaries against official sources.