The Upper Alabama Watershed (HUC 03150201) covers approximately 3,600 square miles in central Alabama. The hydrology of the watershed is dominated by the Coosa River, which flows through the region and provides water for agriculture, industry, and recreation. The area experiences a humid subtropical climate, with mild winters and hot summers, and receives an average of 55 inches of precipitation per year. The watershed also experiences occasional snowfall during the winter months, which typically melts quickly due to the warmer temperatures. Surface water in the watershed includes numerous lakes and reservoirs, which provide important recreational opportunities and support aquatic ecosystems. These water bodies also contain various constituents, including nutrients and contaminants, that can impact water quality. Climate trends in the region include increasing temperatures and precipitation variability. Overall, the Upper Alabama Watershed is a vital resource for the region, providing water, recreation, and important ecological services.