WSP06876

• File Number: 8276.350
• Description: Lower Gunnison Basin Unit - Colorado River Basin Salinity Control Project
• State: CO
• Basin: Colorado Mainstem
• Water Division: 4
• Date: 5/1/1981
• Title: Draft Report of the Lower Gunnison Salinity Control Study
• Water Supply Pro - Doc Type: Report/Study

Plan Six - Irrigation Water Management and Onfarm Ditch
Lining - Mixed Level - 117,100 acres
Plan Seven - Irrigation Water Management and Onfarm Ditch
Lining - Mixed Level - 169,000 acres
Plan Eight - Irrigation Water Management and Onfarm Ditch
Lining - Maximum Level - 169,000 acres
Additional Alternatives
Public Participation

VI. Recommended Plan
Plan Description
Implementation Priority
Level of Federal Funding
Mitigation Strategies

VII. Implementation Authorities
USDA Program Authorities
Recommendation for Implementation

Page

Y-19

V-22

Y-2s

Y-28
Y-28

VI-1
YI-1
VI-3
YI-3
YI-4

VII-1
YII-1
Y11-S

Y11l. Appendix
Appendix No. 1 - Summary of Alternative Plans A1-1
Displayed in Principles and Standards Format
Appendix No. 2 - Federal Permits A2-1
Appendix No.3 - Unit Values for Estimating the Effects of A3-1
Salinity Control Practices

Figure 11-1
Table 11-1

Table 11-2

Figure III-1
Figure III-2
Table 111-1
Table III-2
Table 111-3
Table 111-4
Table IV-1

Table IV-2

Table IV-3

Table Y-1

Table Y-2
Plan No. 1

Plan No. 2
Plan No.3
Plan No. 4

List of Figures

Multi-Objective Planning Team
Sources of Onfarm Salt Loading and Practices for
Attaining Salt Load Reduction
Management and Structural Practices Considered
for Three Levels of Improvement
Gunnison River Drainage
Generalized Geologic Map
Wetlands Classified by Water Source
Wetlands Influenced by Onfarm Irrigation Management
Onfarm Irrigation Influenced Wetlands by Wetland Types
Present Irrigated Cropping System
Summary of Annual Salt Loading from Onfarm Irrigation
Sources
Summary of Annual Salt Loading from Off-farm Distribution
Systems
Water Budget for Onfarm Irrigation by Levels of
Improvement
Formulation of Alternative Plans for Onfarm Program
for Salinity Control
Summary of Candidate Plans
Estimated Quantities and Costs for Conservation
Practices to be Applied on Irrigated Land Through
a Ten-Year Continuation of Ongoing Programs
Estimated Quantities and Costs
Estimated Quantities and Costs
Estimated Quantities and Costs

001194

11-5
11-6

1I-8

111-1
III-3
111-7
III-8
111-8
111-13
IV-s

IV-6

IV-ll

V-4

Y-s
Y-7

Y-9
Y-12
V-1S