The Loggy Bayou Watershed (HUC 11140203) covers a total land area of about 418 square miles in northwestern Louisiana. The hydrology of the watershed is dominated by the Loggy Bayou, which flows 56 miles through the area before joining the Red River. The watershed receives an average of 50 inches of precipitation annually, with most falling as rain in the warmer months. However, occasional winter snowfalls can occur, with an average snowpack depth of 1-2 inches. The surface water in the watershed is mostly used for irrigation, municipal supply, and recreation, with several small reservoirs in the area. The reservoirs contain constituents such as nitrogen, phosphorus, and sediment, which can contribute to water quality concerns. Recently, the area has experienced an increase in annual temperatures and a decrease in annual precipitation, potentially leading to increased drought conditions.