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PRRIP Draft Environmental Impact Statement Summary
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PRRIP Draft Environmental Impact Statement Summary
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2/19/2013 5:33:01 PM
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Water Supply Protection
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Summary of Platte River Recovery Implementation Program (PRRIP) Draft Environmental Impact Statement (EIS) Assessing Alternatives for Implementation of a Basinwide, Cooperative, Endangered Species Recovery Program
State
CO
NE
WY
Basin
South Platte
Water Division
1
Date
12/1/2003
Author
Bureau of Reclamation and U.S. Fish and Wildlife Service
Title
Summary of Platte River Recovery Implementation Program (PRRIP) Draft Environmental Impact Statement (EIS)
Water Supply Pro - Doc Type
EIS
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Summary <br />Table E -2.- Summary Table of Impacts for Each Alternative <br />Summary of Impacts of Each Alternative Compared to the Present Condition <br />(Impacts are quantified on an annual basis, unless otherwise noted) <br />Alternatives <br />Resources, <br />Governance <br />Governance <br />Water <br />Wet <br />Water <br />Significant Indicators, and <br />Geographic Areas <br />Committee, <br />Committee, <br />Leasing <br />Meadow <br />Emphasis <br />Scenario 1 <br />Scenario 2 <br />Water <br />North Platte Basin <br />Reservoir storage <br />Average 4 percent less <br />Average <br />Average 10 percent less <br />3 percent less <br />Average riverflows in North <br />Platte River above Lake <br />McConaughy <br />1. Winter <br />1. -1 percent <br />1. -1 percent <br />1. -4 percent <br />1. No change <br />1. -3 percent <br />2. Summer <br />2. 5 percent <br />12. 5 percent <br />12. 12 percent <br />12. 6 percent <br />12. 16 percent <br />Flood control <br />Magnitude of largest floods reduced <br />Irrigation delivery shortages - <br />number of years <br />1. North Platte Project <br />1. no change <br />1. no change <br />1. no change <br />1. 2 more years <br />1. 2 more years <br />2. Kendrick Project <br />2. 5 more years <br />2. 5 more years <br />2. 4 more years <br />2. 5 more years <br />2. 5 more years <br />3. Glendo Unit <br />3. 1 more year <br />3. 1 more year <br />3. 1 more year <br />3. 4 more years <br />3. 3 more years <br />4. Non - project Lands <br />4. 1 more year <br />4. 1 more year <br />4. 1 less year <br />4. 1 more year <br />4. 2 less years <br />South Platte Basin <br />-5,112 acre -feet <br />-5,106 acre -feet <br />-3,148 acre -feet <br />-2,680 acre -feet <br />-31827 acre -feet <br />Total flows in the lower South <br />per month on <br />per month on <br />per month on <br />per month on <br />per month on <br />average for <br />Platte River, near the <br />average for <br />average for <br />average for <br />average for <br />November, <br />Colorado- Nebraska State line <br />November, <br />November, <br />November, <br />November, <br />December, <br />December, <br />December, <br />December, <br />December, <br />January, and June <br />January, and June <br />January, and June <br />January, and June <br />January, March, <br />and June <br />39,300 acre -feet <br />39,300 acre -feet <br />Irrigation water deliveries <br />No change <br />fewer deliveries <br />No change <br />fewer deliveries <br />in average year <br />in average year <br />'Consists of total average storage changes in September for Seminoe, Kortes, Pathfinder, Alcova, Grey Reef, Glendo, and <br />Guernsey Reservoirs. <br />'Out of the 48 -year period of record used for the hydrologic analysis. <br />
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