Releases Bumped Up At Jamestown Dam

 

JAMESTOWN, N.D. – This morning, Wednesday, April 27, reservoir releases were increased at Jamestown Reservoir from 1500 cubic feet per second (cfs) to 1550 cfs. At Pipestem Reservoir, releases were held at 200 cfs. Including runoff within the city of Jamestown, these releases result in a flow of approximately 1800 cfs at the James River at Jamestown stream gage.

On Thursday, April 28, if conditions are favorable, Jamestown Reservoir releases will be increased by approximately 25 cfs to a level of 1575 cfs and Pipestem Reservoir releases will be held at 200 cfs. Over the next several days, as runoff within the city of Jamestown decreases, small increases in releases from Jamestown Reservoir will be made to maintain the target flow of 1800 cfs at the James River at Jamestown stream gage.

An additional stream gage on the James River has been installed by the U.S. Geological Survey on the 5th Street bridge in Jamestown. Hourly river level readings at this stream gage are available on the U.S. Geological Survey website athttp://nd.water.usgs.gov/floodinfo/james.html.

As these reservoir release changes are made, residents along the James River in Jamestown should monitor conditions along the James River and take necessary actions to prevent flood damages.

Jamestown city officials should be contacted at 701-252-5900 ext. 126 if assistance is needed to determine height requirements for protective measures. If assistance is needed after regular business hours, please contact Stutsman County Communications at 701-252-1000. Sandbags and sand are available from Stutsman County at the Stutsman County Road Department from 8 a.m. to 6 p.m.

At Jamestown Reservoir, the reservoir pool is forecast to reach levels between 1451.0 and 1451.7 feet mean sea level (msl). At Pipestem Reservoir, the reservoir pool is forecast to reach levels between 1484.5 and 1489.0 feet msl.

Daily Information Update

Jamestown Reservoir:

  • Current reservoir level – 1,450.9 feet (0.6 foot increase in last 24 hours)
  • Forecast reservoir level – 1451.0 to 1451.7 feet around May 1
  • Current reservoir Inflow – 2,920 cfs
  • Current reservoir Release – 1,550 cfs
  • Amount of flood control storage occupied – 77%

Pipestem Reservoir:

  • Current reservoir level – 1,482.9 feet (0.7 foot increase in last 24 hours)
  • Forecast reservoir level – 1484.5 to 1489.0 feet around May 15
  • Current reservoir Inflow – 1,150 cfs
  • Current reservoir Release – 200 cfs
  • Amount of flood control storage occupied – 60%

Stream gage on James River (Upstream of I-94 Bridge):

  • Current flow rate – 1,740 cfs
  • Current river stage – 11.5 feet
  • Flood stage – 12 feet

 


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