Watershed District (MCWD or District) within the cities of Minnetrista and Mound. The subwatershed includes Langdon, Black and Saunders Lakes. The eastern portion of the subwatershed is mostly developed, while the western portion of the subwatershed contains low-density development and openspace, including part of Gale Woods Regional Park and numerous wetlands. Langdon Lake outlets via storm sewer to Lost Lake, which then outlets by open channel to Cooks Bay of Lake Minnetonka.

Background

Lake Minnetonka is located in the central part of the upper Minnehaha Creek Watershed District (MCWD). Its subwatershed of 32,515 acres (50.8 square miles) includes numerous bays of Lake Minnetonka. The total surface area of Lake Minnetonka is 21.9 square miles, and the direct drainage areas and minor subwatersheds total approximately 28.9 square miles. Lake Minnetonka contains all or parts of the cities of Orono, Minnetrista, Mound, Spring Park, Shorewood, Minnetonka Beach, Tonka Bay, Wayzata, Woodland, Deephaven, Minnetonka, Greenwood, Excelsior, Victoria, and Chanhassen.