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Gathright Dam Releases

CURRENT AND PROJECTED NEAR-TERM RELEASES

Updated:       MAY 26, 2017

  26May2017
at 0700 hours
26May2017
at See Announcement hours
27May2017
Release   900 cfs See Announcement cfs 3000-4500 cfs
Streamgage Stage   10.2 feet See Announcement feet 12.2-13. feet

 


FLOOD RELEASE ANNOUNCEMENT

26 MAY 2017

Today beginning at 8:30 AM the release from the Gathright Dam will be gradually increased from 900 cubic feet per second to 3,500 cubic feet per second over a four hour period.

This change in release rates will increase river stages at the dam about 2.25 feet and 1.7 feet in Covington over the next 6 to 10 hours.

Release information is also available at (540) 965 4117 daily after 8:30 a.m.


Releases from Gathright Dam are made for a variety of purposes. The flow values cited above are the expected releases and may be increased or decreased without prior notice, depending on changing climatic and hydrologic conditions.

Reference location for the flow and streamgage stage values is the USGS Streamgage (02011800) located 0.5 miles downstream of Gathright Dam.

Reference Releases and Stream Stages
Release Streamgage Stage   Release Streamgage Stage
150 cfs 8.8 feet 2,500 cfs 11.8 feet
300 cfs 9.2 feet 5,000 cfs 13.3 feet
600 cfs 9.8 feet 7,500 cfs 14.4 feet
1,200 cfs 10.7 feet 10,000 cfs 15.3 feet

Notes:
(1) Releases between 150 cfs and 1,200 cfs are made during non Flood Release Operations
(2) Releases above 1,200 cfs are made during Flood Release Operations.

2017 PULSE RELEASE SCHEDULE

Pulse releases are scheduled for the following Wednesdays:

  • JUNE 28
  • JULY 26
  • AUG 16
  • SEP 6
  • SEP 27
  • OCT 18

NOTES:

These pulses, conducted by the Norfolk District in cooperation with the Virginia Department of Environmental Quality and the Virginia Department of Game and Inland Fisheries, will begin at approximately 6 a.m. and end at 1:30 p.m.

The peak pulse release will be 3,500 cfs and will increase levels 3 to 4.5 feet in the Jackson River.

Pulse releases are usually confirmed about 1 week in advance. Check this website regularly for updates.