The map below depicts the water bodies that drain into Lake Owasso. To the west is Lake Emily which drains to Charlie Pond and then into Lake Owasso. (Charlie Pond now consists of an upper and lower water body to help further filtrate waters before entering Lake Owasso). Bennett Lake located southwest of the corner of Victoria and County Road C drains into the south end of Lake Owasso. Waters near Rice and South Owasso Blvd. drain into the southeast part of Lake Owasso (Lady Slipper Park). Lake Owasso drains into Lake Wabasso which drains into Grass Lake and then into the western segment of Lake Vadnais.
(This map is from the previous Watershed Organization – Grass Lake Watershed Management Organization (GLWMO). Hence the boundaries no longer represent the existing watershed organization) though the water flow patterns are still valid.