The Blue Earth Watershed is located in south-central Minnesota and covers an area of approximately 2,500 square miles. The majority of the watershed's hydrology is made up of agricultural land use, with a smaller percentage designated as urban or forested. The watershed is characterized by specific snowpack, with heavy snowfall occurring during the winter months. Surface water is the primary source of water in the watershed, with the Blue Earth River being the main river system. The watershed also contains several reservoirs, which serve as important sources of water for the surrounding communities. Interesting climatic facts in the watershed include the occurrence of severe thunderstorms during the summer months, which can cause flash floods and high winds. Recent trends in the watershed include an increase in precipitation and more frequent and severe flooding events.