For immediate release: 4/21/08

Floodwater release bulletin

At 10:00 AM on Monday, April 21:
Grand Lake elevation was 750.88 feet.
Grand Lake flood control pool was at 55.65 percent capacity.
At the direction of the United States Army Corps of Engineers, three (3) floodgates were open at Pensacola Dam, discharging 14,148 cubic feet per second (cfs) of water.
Six (6) units were online at the Pensacola Dam powerhouse, releasing 14,216 cfs of water through generation.
Releases through floodgates and generation totaled 28,364 cfs.
Inflows into Grand Lake totaled 14,799 cfs.

Lake Hudson elevation was 628.02 feet.
Lake Hudson’s flood control pool was at 46.03 percent capacity.
At the direction of the United States Army Corps of Engineers, one (1) floodgate was open at Robert S. Kerr Dam, discharging 7,448 cfs of water.
Three (3) units were online at Robert S. Kerr Dam powerhouse releasing 21,870 cfs of water through generation.
Releases through floodgates and generation totaled 29,318 cfs.
Inflows into Lake Hudson totaled 30,734 cfs.

The Grand River watershed consists of approximately 12,000 square miles of runoff in parts of Kansas, Missouri and Oklahoma. Of that total, over half—7,000 square miles—is uncontrolled runoff, meaning there is no reservoir to control it above the Pensacola Dam. However, the remaining 5,000 square miles of runoff passes through the John Redmond Dam, located near Burlington, Kansas, prior to reaching the Grand River system in Oklahoma.