WSP11761

• 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 - Summary Report
• Water Supply Pro - Doc Type: Report/Study

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TABLE S.7

JOINT-USE RESERVOIR ALTERNATIVES AND
COMPARATIVE UNIT COST OF YIELD

FIRM 1) TOTAL 2) UNIT 3)
RESERVOIR ANNUAL COST COST OF
JOINT-USE CAPACITY YIELD PER YEAR YIELD
RESERVOIR (af) (af/yr) ($1,000,000) ($/af)
Wolford Mountain A' ) 120,000 40,000 7.1 $180
w/Colo. diversion 4 120,000 49,000 10.4 210
Wolford Mountain C 60,000 25,000 3.9 160
Red Mountain 140,000 56,000 14.2 250
Azu re 85,000 48,000 12.3 260

1) Firm annual yield is defined as the quantity of water that can be supplied every year without
shortage during the study period of 1951 through 1983. Demands on the Joint-Use
Reservoirs are based on a high future-level of water development, without pumpback to
Dillon Reservoir from Green Mountain Reservoir.

2)

Total cost per year is the sum of yearly debt service, average. electrical power and other
operating costs from Table S.6.

3)

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Estimated cost per acre-foot of firm reservoir yield during a year of average operating costs.

4) Wolford Mountain A' would either store only the flows of Muddy Creek, or alternatively,
supplement Muddy Creek storage with flows diverted and pumped from the Colorado River.

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