Lake Texoma 4.82

Lake Texoma is one of the largest reservoirs in the United States, the 12th largest US Army Corps of Engineers' (USACE) lake, and the largest in USACE Tulsa District. Lake Texoma is formed by Denison Dam on the Red River in Bryan County, Oklahoma, and Grayson County, Texas, about 726mi upstream from the mouth of the river. It is located at the confluence of the Red and Washita Rivers. The damsite is about 5mi northwest of Denison, Texas, and 15mi southwest of Durant, Oklahoma. Lake Texoma is the most developed and most popular lake within the USACE Tulsa District, attracting around 6 million visitors a year.HydrologyTributaries and outletLake Texoma's two main sources are the Red River from the west and Washita River from the north. Other notable sources include Big Mineral Creek, Little Mineral Creek, Buncombe Creek, Rock Creek, and Glasses Creek. Lake Texoma drains into the Red River at the Denison Dam.Water levelsNormal elevation of the conservation pool varies from 615to National Geodetic Vertical Datum (NGVD) depending on the time of year. The flood control pool extends to elevation 645ft NGVD. The lake has crested the dam's spillway at a height of 640ft five times: once in 1957, again in 1990, 2007, May 24, 2015, and most recently on June 18, 2015. (USACE 2003a) The lake's previously highest elevation was recorded on May 6, 1990, at 644.76 feet. This record was broken on May 29, 2015, and the lake crested on June 1, 2015, at a new record elevation of 645.72 feet. The top of Denison Dam is at 670 feet.