4000

• UCREFRP Catalog Number: 4000
• Author: U.S. Department of the Interior.
• Title: Report on Water For Energy in the Upper Colorado River Basin.
• USFW Year: 1974.
• USFW - Doc Type: \
• Copyright Material: NO

(3) Diffuse Source Control
(a) Price River
(b) San Rafael River
(c) Dirty Devil River
(d) McElmo Creek
(e) Big Sandy River

Additional ongoing support studies include utilization of irriga-
tion return flows for other consumptive uses, development of
mathematical models to investigate possible river system operation
revisions for quality control, research in ion exchange and natural
freezing desalting, and research into methods of increased irrigation
efficiency. Cooperative input to the Colorado River Water Quality
Improvement Program or complementary programs have been contributed
by Bureau of Land Management, Soil Conservation Service,Agricultural
Research Service, U.S. Geological Survey, Environmental Protection
Agency, and the water resource agencies and universities of the
Basin States.

The following tabulation shows the effects of implementation of the
proposed control elements located in the Upper Basin:

Estimated Effect at Potential Water
Salt Reduction Imperial Dam Depletion
Unit (tons/year) (mg/l) (Acre-feet/year)
Paradox Valley* 180,000 -16 4,200-6,400
Grand Valley* 200,000 -19
Crystal Geyser* 3,000 - 0.3 150
Lower Gunnison Basin 300,000 -27
Uinta Basin 100,000 - 9
Glenwood-Dotsero Springs 200,000 -19 3,500
Price River 100,000 - 9 5,000-30,000**
San Rafael River 80,000 - 7 5,000-30,000**
Dirty Devil River 80,000 - 7 5,000-30,000**
McElmo Creek 40,000 - 4 10,000
Big Sandy River 80,000 - 7 2,000+

* Authorized project
** Range reflects alternative solutions still under study.

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