The Tensas Watershed covers approximately 1,237 square miles in Louisiana and Mississippi. The area is characterized by flat, low-lying terrain and is primarily agricultural with forested areas along the riverbanks. The watershed is primarily drained by the Tensas River, Black River, and their tributaries. The area receives an average annual rainfall of around 54 inches, with most precipitation occurring in the spring and summer months. The watershed also experiences periodic flooding, which can impact agricultural operations and infrastructure. There are several large reservoirs within the watershed, including Lake St. John and Lake Bruin, which are used for recreational purposes. The area has experienced a warming trend in recent years, with average temperatures increasing by approximately 1 degree Fahrenheit over the past century. There has also been an increase in extreme weather events, including heavy rainfall and flooding.