Grand River Dam Authority Floodwater Release Bulletin 5/10/2022

Grand River Dam Authority Floodwater Release Bulletin

At 10AM on Tuesday, May 10:

• Grand Lake elevation was 751.93 feet.
• At the direction of the United States Army Corps of Engineers, four (4) main spillway gates were open at Pensacola Dam, discharging 55,720 cubic feet per second (cfs) of water.
• Six (6) units were online at the Pensacola Dam powerhouse, releasing 13,742 cfs of water through generation.
• Releases through floodgates and generation totaled 69,462 cfs.
• Inflows into Grand Lake totaled 22,698 cfs.
• Lake Hudson elevation was 620.69 feet.
• At the direction of the United States Army Corps of Engineers, thirteen (13) gates were open at Robert S. Kerr Dam, discharging 49,570 cfs of water.
• Four (4) units were online at the Robert S. Kerr Dam powerhouse, releasing 19,440 cfs of water through generation.
• Releases through floodgates and generation totaled 69,010 cfs.
• Inflows into Lake Hudson totaled 69,691 cfs.

Additional information can be found by visiting: http://stormops.grda.tech/riveroperations

Illinois River stream gauge update

Here is the latest stream gauge information for the Illinois River, from the National Weather Service. You can find the link to this gauge information under the “Scenic Rivers” menu on the grda.com home page. Included is the latest data observed.

• Watts Gauge at 9:30 am: River was at 6.52 feet.
• Chewey Gauge at 9:15 am: River was at 7.57 feet.
• Flint Creek Gauge at 9:30 am: Flint Creek was at 6.99 feet.
• Tahlequah Gauge at 9:30 am: River was at 8.49 feet.
• Barren Fork Gauge at 9:30 am: River was at 8.26 feet.

Additional updates will be published as river conditions warrant.

Please note: River forecasts for these locations take into account past precipitation and precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.