WSP03221

• File Number: 8441.100
• Description: Colorado Big Thompson Project - Project Description
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 1/1/1950
• Title: The Colorado - Big Thompson Project
• Water Supply Pro - Doc Type: Project Overview

'7':

.-:;
.-

c.n

~

"-
-'

Recreation.

Summary of Construction ProHress

The first large unit of work undertaken on the Western Slope
was construction of the Green Mountain Dam and Powor Plant. These
features vere completed and placed in operation on ~my 18, 1943.
This ....as followed by cOI:1pletion of the Alva B. Adams Tunnel and.
Shado.... Mountain Dam. Construction of GrBIlby Dam and Dikes, started
in 1942 but stopped for the duration of the war, has been completed
and the contract for construction of the Granby Pumping Plant,
a....arded in 1947, is nearing completion. The 2.2-mile Granby CB.IlB.l
has been completed. Work on Colorado River ImproveIl'Wnts has been
carried on concurrently ....ith other Western Slope features.

On the Eastern Slope, aqueduct features betveen the Alva B.
Adams Tunnel and Lake Estes have been completed and the construc-
tion of ~~ys Lake and Estes Po....er Plants is nearing completion.
Lake Estes and Olympus Dam on the Big TIlampson River ....ere completed
in 1949 and construction of Olympus Siphon and the Olympus and Pole
Hill Tunnels is in progress. Horsetooth Reservoir and Dams end
four tunnels for the Rorsetooth Feeder Canal have been campleted.
Construction is also under way on canal sections linking the
tUlUlels, on the Horsetooth Suppl:,." Conduit, and on the Poudre Supply
Canal. Construction of the Carter Lake Pressure Tunnel and Carter
Lake Dams Nos. 1, 2, and 3 is scheduled to start in 1950.

h