WSP12030

• File Number: 8441.400
• Description: Colorado Big Thompson Project - Reports
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 4/1/1987
• Title: Joint-Use Reservoir and Green Mountain Exchange Projects - Final Report
• Water Supply Pro - Doc Type: Report/Study

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TASLE 3.1

AVERAGE ANNUAL TRANSMOUNTAIN
DIVERSION DEMANDS (1000 af/yr)

Facility

Recorded Diversions 1)
1951-83 1973-83

Projected Demands of
Existina-Use Scenario2)
1951-83

Adams Tunnel 3) 219.7 230.6 288.2
Soustead Tunnel 16.2 45.7 52.5
Susk-Ivanhoe Tunnel 5.9 6.9 6.0
Columbine Ditch 1.5 1.7 1.6
Ewing Ditch 1.0 1.0 1.1
Grand River Ditch 17.0 17.1 17.0
Gumlick Tunnel 5.0 4.6 27.1
Homestake Tunnel 12.3 24.2 29.4
Hoosier Tunnel 7.7 7.9 8.2
Moffat Tunnel 45.4 52.4 72.4
(excluding Gumlick Tunnel Diversion)
Roberts Tunnel 29.6 62.0 153.4
(278.4)
Twin Lakes Tunnel 42.8 43.7 42.8
Wurtz Ditch 2.5 2.9 2.5
TOTAL 406.6 500.7 702.2
(827.2) 4)

1)

2)
3)
4)

Recorded diversions were taken from Annual Operating Pians (USSR, 1951-1983b), and
personal communications with DWS personnel.
Existing-Use Scenario includes expansion of existing facilities.
includes CST and Windy Gap diversions.
Demands in ( ) are increased to include projected Green Mountain Exchange.

3.7