The Nottoway Watershed covers an area of 4,402 square kilometers in Virginia and North Carolina. The watershed is characterized by low to moderate relief with a mix of agricultural and forested land cover. The hydrology of the watershed is dominated by the Nottoway River, which flows for 257 kilometers before joining the Chowan River. The watershed receives an average annual precipitation of 1100 millimeters, with snowfall occurring frequently in the winter months. The surface water quality in the watershed is affected by agricultural and urban runoff, as well as industrial discharges. The watershed also has several reservoirs that serve as water supply sources for nearby communities. Climate trends in the Nottoway watershed include increased precipitation and warmer temperatures, which can affect the frequency and intensity of flooding events.