WSP00392

• File Number: 8276.150
• Description: Grand Valley Unit-Colorado River Basin Salinity Control Project
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 4/1/1992
• Title: 1991 Annual Report: Grand Valley Salinity Control Project Monitoring and Evaluation Program
• Water Supply Pro - Doc Type: Annual Report

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TABLES

Page

Table 1. Irrigation Monitoring sites, 1985-1991 ........... 7
Table 2. 1991 Annual Summary............................... 10
Table 3. 1991 Deep Percolation For Surface Systems ......... 16
Table 4. Seven-Year Summary Of Irrigation Monitoring Data,..

1985-1991 .................................. 17
Table 5. Comparison Of Conventional And Surge Irrigation, 1991 21
Table 6. Seven-Year Summary Of Irrigation Monitoring
Data By Crops, 1985-1991 ................... 23
Table 7. Summary Of Deep Percolation Losses And Salt
Contribution For Monitored Sites, 1991 ,.... 28
Table 8. Actual Deep Percolation And Salt Load Reduction
From Surge sites, 1991 ..................... 30
Table 9. Habitat Types within One Year After Construction ..
And Three To Five Years After Construction . 34
Table 10.Impacted Wetlands, 1991 Contracts ................. 36
Table 11.Benchmark And Treatment effects Of Salinity Control

Practices .................................. 41
Table 12.Grand Valley Basin Salinity Practice Summary...... 42

FIGURES

Figure 1. General Location of 1991 Irrigation Monitoring
sites In The Grand Valley.................. 2
Figure 2. 1991 Infiltration Estimates ...................... 26

APPENDIX

Appendix A. Climatic Summary - qrand Junction ............. A-1
Appendix B. Mesa County Statistics ......................... B-1
Appendix C. Measurements And Calculations .................. C-1
Appendix D. Individual Irrigation Data By sites .,.......... D-1
Appendix E. Soil Salinity Data By sites .........,.......... E-1
Appendix F. Salt Contribution For Grand Valley Canal systems F-1
Appendix G. Wetland And wildlife Tacking System Reports .... G-1

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