GRDA Floodwater release bulletin  05/19/08 3:00 p.m.

At 3 PM on Monday, May 19:

• Grand Lake elevation was 746.92 feet.
• Grand Lake flood pool capacity was at 17.46 percent.
• At the direction of the United States Army Corps of Engineers, five (5) floodgates were open at Pensacola Dam, discharging 11,760 cubic feet per second (cfs) of water.
• Six (6) units were online at the Pensacola Dam powerhouse, releasing 14,102 cfs of water through generation.
• Releases through floodgates and generation totaled 25,862 cfs.
• Inflows into Grand Lake totaled 9,983 cfs.
• Lake Hudson elevation was 622.61 feet.
• Lake Hudson flood pool capacity was at 16.83 percent.
• At the direction of the United States Army Corps of Engineers, one (1) floodgate was open at Robert S. Kerr Dam, discharging 10,732 cfs of water.
• Three (3) units were online at Robert S. Kerr Dam powerhouse releasing 20,790 cfs of water through generation.
• Releases through floodgates and generation totaled 31,522 cfs.
• Inflows into Lake Hudson totaled 26,698 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.

Grand River Dam Authority News Release
Contact: Justin Alberty
Corporate Communications Director
Grand River Dam Authority
(918) 256-5545
jalberty@grda.com
www.grda.com

For immediate release: 5/19/08