The Vermilion Watershed (HUC 07130002) covers 1,012 square miles in northeast Minnesota and drains into Lake Vermilion. The hydrology of the watershed is influenced by its rolling topography and numerous wetlands. The watershed receives an average of 80 inches of snowfall annually, and snowpack typically peaks in March. Surface water is the primary water source in the area, with the Vermilion River being the main stem. The reservoir on the Vermilion River, Lake Vermilion, has a maximum depth of 76 feet and contains a variety of fish species. Interesting climatic facts include the fact that the watershed is located in a transition zone from boreal to hardwood forest, and it experiences a wide range of temperatures throughout the year. Trends in the area include increasing precipitation and temperatures, which may have impacts on the hydrology of the watershed.