GRDA Floodwater Release Bulletin 06/30/08 11:00 a.m.

At 11 AM on Monday, June 30:

• Grand Lake elevation was 750.33 feet.
• Grand Lake flood pool was at 50.10 percent capacity.
• At the direction of the United States Army Corps of Engineers, four (4) floodgates were open at Pensacola Dam, discharging 17,240 cubic feet per second (cfs) of water.
• Six (6) units were online at the Pensacola Dam powerhouse, releasing 13,708 cfs of water through generation.
• Releases through floodgates and generation totaled 30,948 cfs.
• Inflows into Grand Lake totaled 30,533 cfs.
• Lake Hudson elevation was 629.14 feet.
• Lake Hudson flood pool was at 53.27 percent capacity.
• At the direction of the United States Army Corps of Engineers, one (1) floodgate was open at Robert S. Kerr Dam, discharging 9,634 cubic feet per second (cfs) of water.
• Three (3) units were online at Robert S. Kerr Dam powerhouse releasing 21,330 cfs of water through generation.
• Releases through floodgates and generation totaled 30,964 cfs.
• Inflows into Lake Hudson totaled 31,952 cfs.

No further gate operations are planned for today.
The last crest predictions from the United States Army Corps of Engineers were for a Grand Lake crest of 752.10 on Wednesday, June 25 and a Lake Hudson crest of 632, occurring on Tuesday, June 24.

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: 6/30/08