OMAHA, NE - Jamestown Dam flood storage is nearly evacuated, with the pool elevation near the summer target of 1431 feet. Pipestem Dam releases will begin today to evacuate flood storage as outlined in the water control manual. Jamestown Dam releases are being decreased from 300 cubic feet per second to 125 cfs today while Pipestem Dam will increase releases to 160 cfs. The combined release will be 285 cfs.
Pipestem Dam is currently at pool elevation 1452.4 ft, which results in 8.4 percent of the flood pool occupied. Inflows are 60 cfs. Jamestown Reservoir is currently at pool elevation 1431.0 ft, at the base of the flood pool. Inflows are 125 cfs.
Throughout the summer Jamestown Dam releases will be adjusted to match the inflow in order to maintain the summer target pool elevation. Pipestem Dam flood storage will be evacuated in June, July, and August, with a release around 160 cfs. The combined release will vary over the summer as Jamestown Dam releases are adjusted. All releases may change depending on rain.
Release no. 20150601-001