Final answer:
Kansas is the state with Tuttle Creek Reservoir, Cheney Reservoir, and Waconda Lake, serving as important resources for flood control, recreation, and water supply.
Step-by-step explanation:
The state that has Tuttle Creek Reservoir, Cheney Reservoir, and Waconda Lake is Kansas. These are notable bodies of water within the state, serving various purposes such as flood control, recreation, and water supply.
Tuttle Creek Reservoir is located in the northeastern part of the state, Cheney Reservoir is situated to the west of Wichita, and Waconda Lake, also known as Glen Elder Reservoir, is found in north-central Kansas.