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Gathright Dam Releases

CURRENT AND PROJECTED NEAR-TERM RELEASES

Updated:       MAY 27, 2020

  27May2020
at 0700 hours		 27May2020
at See Announcement hours		 28May2020
Release   990 cfs See Announcement cfs 600 - 1,200 cfs
Streamgage Stage   10.4 feet See Announcement feet 9.8 - 10.6 feet

 

RELEASE ANNOUNCEMENT

27 MAY 2020

Wednesday, May 27, 2020, beginning at 08:00 AM the release from the Gathright Dam will be halted to allow for inspection of the Outlet Works.

The inspection is expected to take up to 2 hours to complete. Upon completion, releases will be increased to 600 cubic feet per second (9.8).

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.

2020 PULSE RELEASE SCHEDULE

Pulse releases are scheduled for the following Wednesdays:

  • JUNE 24
  • JULY 22
  • AUG 12
  • SEP 2
  • SEP 23
  • OCT 14

NOTES:

These pulses, conducted by the Norfolk District in coordination 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 evaluated about 1 week in advance. Check this website regularly for updates.