[env-trinity] Revised WY04 Trinity River Flow Release Schedule
Andreas Krause
AKRAUSE at mp.usbr.gov
Fri Apr 30 08:22:57 PDT 2004
All-
Reclamation has revised the release schedule for the Trinity River at
Lewiston based on the recommended flow schedule from the TMC. The daily
flow schedule and press release are shown below.
Regards,
Andreas
>From Date To Date Flow (cfs)
01-Oct-03 15-Oct-03 450
16-Oct-03 04-May-04 300
05-May-04 05-May-04 2,000
06-May-04 11-May-04 2,500
12-May-04 13-May-04 3,000
14-May-04 15-May-04 4,500
16-May-04 25-May-04 6,000
26-May-04 26-May-04 5,700
27-May-04 27-May-04 5,400
28-May-04 28-May-04 5,100
29-May-04 29-May-04 4,800
30-May-04 31-May-04 4,500
01-Jun-04 01-Jun-04 4,200
02-Jun-04 02-Jun-04 3,900
03-Jun-04 03-Jun-04 3,600
04-Jun-04 04-Jun-04 3,300
05-Jun-04 08-Jun-04 3,000
09-Jun-04 10-Jun-04 2,800
11-Jun-04 12-Jun-04 2,600
13-Jun-04 14-Jun-04 2,400
15-Jun-04 15-Jun-04 2,300
16-Jun-04 16-Jun-04 2,200
17-Jun-04 17-Jun-04 2,100
18-Jun-04 09-Jul-04 2,000
10-Jul-04 10-Jul-04 1,700
11-Jul-04 11-Jul-04 1,500
12-Jul-04 12-Jul-04 1,350
13-Jul-04 13-Jul-04 1,200
14-Jul-04 14-Jul-04 1,050
15-Jul-04 15-Jul-04 950
16-Jul-04 16-Jul-04 850
17-Jul-04 17-Jul-04 750
18-Jul-04 18-Jul-04 675
19-Jul-04 19-Jul-04 600
20-Jul-04 20-Jul-04 550
21-Jul-04 21-Jul-04 500
22-Jul-04 30-Sep-04 450
RECLAMATION RELEASES NEW TRINITY RIVER FLOW SCHEDULE
A Ninth Circuit Court ruling on April 23 significantly increased the
volume available to the Trinity River. The Court's ruling came as a
result of a request from the Hoopa Valley Tribe. In December 2002, U.S.
District Court Judge Oliver Wanger limited the available volume of water
to 453,000 acre-feet pending completion of a final Supplemental
Environmental Impact Statement/Report. The Ninth Circuit Court's
ruling, in response to the emergency motion, increased that volume to
647,000 acre-feet for this year.
The newly revised 2004 flow schedule will be finalized by the
Department of the Interior, based on a recommendation made by the
Trinity Management Council to achieve a wide variety of physical and
biological objectives. This schedule will not only benefit smolt
(juvenile salmon and steelhead) growth and survival in late spring and
early summer, but will also achieve substantial geomorphic benefits by
flushing large accumulations of fine sediment that have been deposited
over the past two years, move and redeposit gravel, and scour 1-2 year
old riparian vegetation that has re-encroached along the channel's edge,
all of which will improve habitat conditions throughout the system.
Under the newly approved flow schedule, current releases from Lewiston
Dam to the Trinity River will continue at 300 cubic feet per second
(cfs) through Tuesday, May 4, ramp up to 2,500 cfs by Thursday, May 6,
and then continue up to 6,000 cfs by Sunday, May 16. The schedule calls
for these releases to continue at 6,000 cfs from May 16 through Tuesday,
May 25, gradually ramping down to 2,000 cfs by June 18, and finally
reaching the summer base level of 450 cfs by July 22.
The new flow release schedule is available online at Reclamation's
Central Valley Operations (CVO) web site at www.usbr.gov/mp/cvo
For additional information, please call Jeffrey McCracken in
Reclamation's Public Affairs Office at 916-978-5100 (TDD 916-978-5608).
You may also contact Doug Schleusner at the Trinity River Restoration
Program at 530-623-1800 or Tom Morstein-Marx at CVO at 916-979-2196,
(TDD 916-979-2183).
__________________________________
Andreas Krause, P.E.
Physical Scientist
Trinity River Restoration Program
P.O. Box 1300 (mailing address)
1313 South Main St. (physical address)
Weaverville, CA 96093
Phone:530-623-1807; Fax 530-623-5944
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