WSP04694

• File Number: 8281.400
• Description: Colorado River Studies and Investigations -- Colorado River Depletion Projections
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 6/1/1965
• Author: C. Jex Engineers
• Title: Report on Water Runoff and Stream Depletion of the Main Stem Colorado River Basin in Colorado
• Water Supply Pro - Doc Type: Report/Study

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diversion of water for use in the Arkansas and the South

Platte River Basins of Eastern Colorado are under construc-

tion. The folloVling table is a Sur.,:Lar:' of the exported

water for the period 1943-1960.

lfIater Exported Fron, Eagle River Subbasin - Units Acre Feet

Year Diversion Year Diversion
1943 3,720 1953 4,190
1944 1,930 1954 2,250
1945 3,720 1955 2,920
1946 4,490 1956 3,780
1947 4,220 1957 5,110
1948 2,480 1955 3,380
1949 4,030 1959 4,320
1950 4,040 1960 5,380
1951 6,100
1952 5,790 Average 3,992

The popuh,t~on of the subbasin as given in the 1960
census reports is 3,760. This includes the population of the

cities 'and to'ems as Hell as the raacll population. The increase

in population for the period 1930 to 1960 is 538, which is a

17% increase for tho 30 year perioJ.

The follo'ling table is a sumniary of the estin,ated

present stream depletion of the Eagle River Subbasin;

Present Stream Depletion - Units Acre Feet

':<Average annual stream depletion
by irrigation
Average annual stream depletion
by r;,unicipal and industrial
use and reservoir evaporation
Average annual streae depletion
by transmountain diversion
Total annual streaL depletion

21,300

900
4.000
26,200

';<Include;s allo\lance for natural vegetation, seeped
land, and water surfaces Vii t;lOut lin,i tation to
I an-Ladle derletic;TI.

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