The Little Wabash Watershed covers an area of approximately 4,440 square miles in southeastern Illinois, USA. The hydrology of the watershed is primarily characterized by the Little Wabash River, which runs for approximately 200 miles through the region. This river is fed by numerous small tributaries and receives most of its flow from surface water runoff. The area experiences a humid continental climate, with hot summers and cold winters. Average temperatures range from around 20°F in the winter to 80°F in the summer, with average annual precipitation of approximately 45 inches. Significant snowfall occurs in the winter, with an average annual snowfall of around 14 inches. There are several small reservoirs located throughout the watershed, which serve as sources of water supply and recreation. These reservoirs are often used for fishing and boating, and are home to a variety of fish species, such as bass and crappie. Overall, the Little Wabash Watershed is an important ecological and economic resource for the region, providing a diverse range of ecosystem services and recreational opportunities for local residents and visitors alike.