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CRFS Technical Meeting UC Operations Update. March 30, 2010. Topics. Fontenelle and Flaming Gorge Operations Aspinall Operations Powell Operations. Green River Basin – Fontenelle and Flaming Gorge. Fontenelle Reservoir Elevation. Fontenelle Inflow and Release. Apr – Jul Inflow

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CRFS Technical Meeting UC Operations Update

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CRFS Technical Meeting

UC Operations Update

March 30, 2010


Topics

  • Fontenelle and Flaming Gorge Operations

  • Aspinall Operations

  • Powell Operations


Green River Basin – Fontenelle and Flaming Gorge


Fontenelle Reservoir Elevation


Fontenelle Inflow and Release

Apr – Jul Inflow

415 KAF (48%)

Projected Release 800 cfs steady (no peak)


CRFS Green River Basin April 2010

Live Capacity 3.752 MAF

Capacity on 3/28/103.194MAF

Available Space .558MAF

Percentage of Full 80%

Reservoir Elev. (Min Power) 5908.00feet

Elevation on 3/28/106025.91feet

Elevation above (Min) 117.91feet

Average Inflow 1,240cfs

Average Release 810cfs


CRFS Green River Basin


CRFS Green River Basin


CRFS Green River Basin

245 KAF = 21% Average

515 KAF = 43% Average

1,251 KAF = 75% Average


CRFS Green River Basin

610 KAF = 45% Average

960 KAF = 70% Average

1,385 KAF = 101% Average


CRFS Green River Basin

855 KAF = 34% Average

1,475 KAF = 58% Average

2,275 KAF = 89% Average


CRFS Green River Basin


CRFS Green River Basin


CRFS Green River Basin


Gunnison River Basin – Aspinall


4,035 cfs

Mar 15 Forecast

570 KAF


UC Mainstem – Glen Canyon Dam


Review of Operational CriteriaInterim Guidelines for Coordinated Operation of Lake Powell and Lake Mead


Lake Powell Equalization Table


3,635

1/1/10 Projection

15.4

1/1/010Projection

1,098

1/1/10 Projection

Lake Powell & Lake Mead Operational Diagrams for 2010

11.4

1/1/10 Projection

1 Subject to April adjustments that may result in balancing releases or releases according to the Equalization Tier.

2 These are amounts of shortage (i.e., reduced deliveries in the United States).

3 If Lake Mead falls below elevation 1,025 ft, the Department will initiate efforts to develop additional guidelines for shortages at lower Lake Mead elevations.


Projected Operation for Remainder of WY2010


Summary of Lake Powell and Lake Mead Operations24-Month Study 2010 Water Year Projections

In 2010, the Equalization Elevation is 3642 ft.


Summary of Lake Powell and Lake Mead Operations24-Month Study 2010 Water Year Projections

In 2010, the Equalization Elevation is 3642 ft.


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