BOARD01914

• Board Meeting Date: 12/4/1974
• Description: Agenda or Table of Contents, Minutes, Resolution
• Board Meetings - Doc Type: Meeting

Glenwood-Dotsero Springs, Grand Valley systems
improvement and irrigation management

(4) Subsequently added were McElmo Creek and the
Lower Gunnison area systems improvement and
irrigation management

(5)

(6)

Colorado River Salinity Control Act authorized
construction and operation of Paradox Valley
and Grand Valley systems improvement unit

Were changed to advanced planning status in 1975

b. Grand Valley irrigation management scheduling

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Irrigation scheduling initiated in 1972 on 1,200
acres expanded to about 6,500 acres in 1974.
Eighty-seven farmers participated.

Farmers are becoming interested in the program.

Anticipated that water users will be responsible
for scheduling end of FY 1977. Colorado River
Salinity Control Act authorizes Secretary to
provide information and assistance to water users
fot a period not to exceed five years after the
first funding under Title II of the act.

c. Glenwood-Dotsero Springs Unit

(1)

(2)
(3)

(1) This is largest point source contributor in
Upper Colorado Region, with a flow of 25~000
acre-feet and 500,000. tons of salt annually.
Several alternatives have been considered for
removing about 200,000 tons of sait annually.

(2) The best method wouid be some form of desalting
or collection and disposal by evaporation.

(3) Appraisal report is scheduled for the end fiscal
1975.

(4) Current studies concluded aerial infrared photo-
graph along the Colorado River from Glenwood
Springs to Dotsero to better define all sources
of entry to the river.

d. McElmo Creek Unit

(1) McElmo Creek contributes about 130,000 tons of
salt annually to system.

(2) About 40,000 tons could he removed by selective
withdrawal, evaporation, or desalting.

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