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Gathright Dam Releases

CURRENT AND PROJECTED NEAR-TERM RELEASES

Updated:       APR 22, 2018

  22Apr2018
at 0700 hours		 22Apr2018
at hours		 23Apr2018
Release   1,770 cfs See Announcement cfs 600 - 1,200 cfs
Streamgage Stage   11.2 feet See Announcement feet 9.8 - 10.6 feet

 

FLOOD RELEASE ANNOUNCEMENT

22 APRIL 2018

Today beginning at 10:00 AM the release from the Gathright Dam will be gradually decreased from 1,770 cubic feet per second to 1,200 cubic feet per second over a three hour period.

This change in release rates will decrease river stages at the dam about 0.6 feet.

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.

2018 PULSE RELEASE SCHEDULE

Pulse releases are scheduled for the following Wednesdays:

  • JUNE 27
  • JULY 25
  • AUG 15
  • SEP 5
  • SEP 26
  • OCT 17

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.