Releases from Gavins Point Dam on the Missouri River near Yankton jumped to one hundred thousand cubic feet per second for a time overnight as Lewis & Clark Lake behind the dam rose to a record level.
Gavins Point Operations Manager Tom Curran says big inflows from the Niobrara River pushed the lake rapidly up:
The lake rose to a level of 1212.27 feet, almost two feet above the old record of 1210.8 feet:
Curran says they hope to reduce flows below the current 90,000 CFS soon:
OC…..as well :14
The Spencer Dam on the Niobrara River failed Thursday and that sent a big surge of water into the Yankton lake:
Curran says they are anticipating more ice and debris flowing toward the dam:
OC……….stretch of reservoir :14
The river level at the gauge in Yankton jumped over ten feet to near minor flood stage.
Thanks to Jerry Oster WNAX