WSP05795

• File Number: 8277.500.20
• Description: Uinta Basin Unit - Colorado River Water Quality Improvement Program
• State: UT
• Basin: Colorado Mainstem
• Date: 4/25/1986
• Title: Planning Report/Draft Environmental Impact Statement - Uinta Basin Unit
• Water Supply Pro - Doc Type: EIS

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TABLES

Page

Uinta Basin Unit existing irrigation systems
investigated for possible canal lining. . . 7
Numeric criteria for the Lower Colorado River 12
Mean annual salinity at Imperial Dam. . . 13
Annual preproject water and salt budget . 14
Canals and laterals to be lined under the
recommended plan. . . . . . . . . . . . 20
Lengths and capacities of canals to be lined. 21
Right-of-way acreage needed for recommended plan. 25
Estimated construction c08tS. . . . . . . . . . 27
Annual operation, maintenance, and replacement
costs . . . . . . . . . . . . . . . . 31
Incremental cost-effectiveness analysis . . 35
Cost allocation and repayment . . . . . . . 35
Estimated salt load contribution under the
no-action alternative . . . . . . . . . . 37
Summary comparison of recommended pl8n and
no-action alternative . . . . 39
Salt removal benefits . . . . . 41
Beneficial and adverse effects. 43
Environmental Quality Account 44
Regional economic development analysis of the
recommended plan. . . . . . . . . . . . 46
Social Effects Account for Duchesne County. . 46
Additional increments considered for the recom-
mended plan . . . . . . . . . . . . . . . . . 51
Estimated vegetation losses associated with canal

lining. . . . . . . . . . . . . . . . .

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56

Common nongame birds and their habitat in the
Uinta Basin Unit area . . . . . . . . . . . 60
Unemployment percentages for Duchesne County
and the State of Utah . . . . . . . . . . . 69
Average monthly wage of nonagricultural employees
in recent years . . . . . . . . . . . . . . . .. 69
Population projections for Duchesne County with
and without the recommended plan. . . . . 71
Estimated direct employment and income from
recommended plan. . . . . . . .. . . 71
Projected school-age population for selected
year, no-action alternative. . . . . . . 73
Projected medical personnel and facilities
required for selected year8, no-action
alternative. . . . . . . . . . . . . . . . . 73
Projected demand for housing units in Duchesne
County. . . . . . . . . . . . . . . . . . 74
Developments included in cumulative impact

analysis. . . . . . . . . . . . . . . . . 79
Summary of annual gross crop values from develop-
ments constructed or under construction . . . . 81

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