Floodwater release bulletin: 2:30 p.m. 05/12/08

At 2:30 p.m. on Monday, May 12:

• Grand Lake elevation was 749.8 feet.
• Grand Lake flood control pool was at 44.6 percent capacity.
• At the direction of the United States Army Corps of Engineers, six (6) floodgates were open at Pensacola Dam, discharging 23,880 cubic feet per second (cfs) of water.
• Six (6) units were online at the Pensacola Dam powerhouse, releasing 14,137 cfs of water through generation.
• Releases through floodgates and generation totaled 38,017 cfs.
• Inflows into Grand Lake totaled 28,055 cfs.
• Lake Hudson elevation was 626.58 feet.
• Lake Hudson flood control pool was at 37.6 percent capacity.
• At the direction of the United States Army Corps of Engineers, one (1) floodgate was open at Robert S. Kerr Dam, discharging 21,775 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 43,105 cfs.
• Inflows into Lake Hudson totaled 39,834 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.