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001073 Final Enviromnental Assessment-Chapter 2-Alternatives ~. ~ ~ ~ ,,,:~ ~~~/,}~ I \ '1 ~ \ ~~ ~ ", '" Il)t~ ~.~~::I ~ '~~ _____~ =::: ~ ~~\ ,~~-\ ~\~ ~te ?~, I ~ ~ ,:'" ~ ~'\~ "''' ~ ~~~ ~ ~ - ~ ~:::'" ~ "',,- \ '" ~. ",'-- i~-~ ,~, ~ ,,~ , ~ ~ ~ = ~~ .~~,.~'tt,l\ ~\ ,~~ ~~,~'~ ~ '\:~~\~;~ ~~~ ~~ ~ ~ '~"~o- \ '" Canal RIght ~ '"", ~ ~ ~" ' ) Headworks Abutment" ~.~ "- "'- ~ , ' ~ " ~ " ~ "- ~ "- "", \ ~ ~ ~ ~--:" , ~ ------" -------- ~ \. ---.:::::: ~-~ '- " - ~~~~~~~ ",-" ~ ~~~~ '" '''', ~ " \~ ~ ~ ~ ~~ ~~~ ~( '"' - ~ "" ~~ ~~ ~ ~~ >V ..v '" :- Figure 8-Dam Removal Conceptual Design Drawing Removal activities would require measures, such as placement of boulders or riprap in the riverbed or along the banks, to restore or enhance natural fish passage in the river channel by native and endangered fish. Boating safety would also be considered in removal designs (addition of boulders or riprap to protect boaters from the dam abutments, and removal of hazards such as rebar protruding from the remaining concrete). To the extent that costs to the Recovery Program would not increase and create liability issues, designs for removal could also consider incorporating measures to enhance recreational boating. Measures would also be required to protect the ability of Ute Water to deliver Colorado River water to their treatment plant. These possible options include; 1. Deliver Colorado River water to the Ute Water pump plant via the Orchard Mesa Power Cana14. Water would be available year round, except for about 2 to 3 weeks in the spring and fall during maintenance of the power canal and Grand Valley Power Plant. Reclamation estimates this option would cost from $150,000 to $300,000. This option would require the following measures: 4 The Grand Valley Project is not authorized to carry municipal and industrial (M&I) water. Only Congress can authorize the carrying ofM&I water through the Grand Valley Project Canals. 20