WSP03457

• File Number: 8276.100
• Description: Grand Valley Unit - Colorado River Basin Salinity Project
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 4/1/1992
• Title: Grand Valley Salinity Project Monitoring and Evaluation Program -- 1990 Annual Report
• Water Supply Pro - Doc Type: Annual Report

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FIGURES

Figure 1. General Location of 1990 Irrigation Monitoring
Sites in the Grand Va II ey ...................... 3
Figure 2. 1990 Infi Itration Estimates ....................... 33
Figure 3. 1990 Surface Irrigation Systems Average
Infiltration Rates ............................. 34

Part 2. Soil Sal inity Measurements

o b j e c t i ve s .......................................... 35
Accomp I i shments ..................................... 35
o b s e r vat ion s ........................................ 35
Conc I us ions ......................................... 36

TABLES

Tab I ell. Sa I in i ty in mmhos/cm .............................. 37

Table 12. Crop Salt Tolerance. ............................. 40

Part 3. Economic Monitoring and Evaluation

Ove rv i ew . ........................................... 41
Summary .............................................. 41

Part 4. Wi Idl ife Monitoring

In t rod u c t ion ........................................ 43
Methodo logy ......................................... 43
Resu I ts ............................................. 44
P I ann i ng and Track i ng ............................... 46
Recommendat ion ...................................... 47
TABLES

Table 13. Habitat Types Within One Year After Construction
and Three to Five Years After Construction ..... 45

APPENDIX

Appendix A. Mesa County Statistics .......................... A-1
Appendix B. 1990 Irrigation Data by Sites ................... B-1
Append i x C. Pract ices Accomp I i shed Through 12-31-90.......... C-1

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