The Lower Mississippi River Watershed Management Organization (LMRWMO) is located in the southeast part of the Twin Cities metropolitan area, in northern Dakota County and southern Ramsey County. The LMRWMO abuts the south and west sides of the Mississippi River, from the Mississippi River’s confluence with the Minnesota River to Rosemount.

The LMRWMO covers 35,493 acres (55.8 square miles) and is composed of seven cities partially or wholly within the organization’s boundaries.