7750

• UCREFRP Catalog Number: 7750
• Author: U.S. Bureau of Reclamation.
• Title: Study of Alternative Water Supplies for Endangered Fishes in the "15-Mile Reach" of the Colorado River.
• USFW Year: 1992.
• USFW - Doc Type: \
• Copyright Material: NO

CONTENTS (Continued)
Pave
CHAPTER XIII
TIMING AND SUMMARY OF ALTERNATIVES .......... 77
Timing of Alternatives ...................................... 77
Summary ..............................................77
LIST OF TABLES Page
Estimated return flows from irrigation practices along the Reach ............... 18
Estimated equivalent return flows (cfs) ...... ......................... . 18
Influence of agriculture on county economics ........................... 23
Water rights senior to GVWUA and greater than 10 cfs ..................... 25
Purchase of agricultural water rights in the Grand Valley .................... 32
Reservoirs upstream from the Grand Valley ............................ 35
New storage reservoirs ......................................... 42
New downstream storage reservoir .................................. 44
Pumping from the Colorado River to GVIC bifurcation ..................... 49
Pumping from the Colorado River to West GVIC Mainline ................... 50
Pumping from the Colorado River to GVIC Independent Ranchmens Ditch ......... 51
Pumping from Colorado River to GVIC Highline Canal ..................... 52
Pumping from the Gunnison River to Orchard Mesa Canal No. 2 ............... 60
Consumptive use estimates of water in the Grand Valley ...................: 63
Potential seepage volume saved through planned Grand Valley Salinity Control Program
improvements ........................................... 66
Potential seepage volume saved through deferred and. eliminated Grand Valley Salinity
Control Program improvements ................................. 66
Summary Tables
Existing storage reservoirs ....................................... 69
New storage reservoirs ......................................... 69
Purchase of agricultural water rights ................................. 70
Summary of most cost-effective pumping alternatives by flow range ............. 70
Pumping with downstream storage ................................... 72
Potential seepage volume saved through the Grand Valley Salinity .............. 72
Saving through decreased irrigation system evaporation ..................... 72
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