Choke Canyon Dam and and reservoir are features of the Nueces River Project. The reservoir provides a water supply for Corpus Christi, Texas. Recreation at this reservoir is managed for Reclamation by the Texas Parks and Wildlife Department. When full, the lake has approximately 26,000 water surface. acres, 9,127 land acres and 135 miles of shoreline. Accessible from numerous roads. Several boat ramps and camping facilities. Fishing year-round. Available species include black and large mouth bass, striper, crappie, and several species of catfish. Current Reservoir Levels.