MANHATTAN, Kan. Beginning Dec. 4 the U.S. Army Corps of Engineers, Tuttle Creek Project will increase outflows to drop lake levels, consistent with the annual Water Level Management Plan. This seasonal adjustment minimizes ice damage, provides additional storage capacity for spring rains and favorable habitat conditions for the lake’s fishery spawning next spring. The target peak of 3,800 cubic feet per second will begin on or around Monday, Dec. 4 and continue until lake elevation drops approximately 8.5 feet to a pool elevation of 1073 feet (above mean sea level). Operators will adjust the outflows so that the decrease will match the lake’s inflow or to maintain minimum downstream flow targets through the winter.