Ecology Publications & Forms
Odessa Subarea Special Study Final Environmental Impact Statement
Odessa Subarea Special Study Final Environmental Impact Statement (Number of pages: 1304) (Publication Size: 55281KB)
Volume 2 (Response to Comments)
(721 pages) (37MB)
|Author(s)||Sandisen, Derek and Christiansen, Wendy et.al.|
|Description||The U.S. Department of the Interior, Bureau of Reclamation (Reclamation) and Washington Department of Ecology (Ecology) have jointly prepared this Final Environmental Impact Statement (Final EIS) for the Odessa Subarea Special Study (Study). The purpose of the Study is to evaluate alternatives that would deliver surface water from the Columbia Basin Project (CBP) to irrigated lands that currently rely on a declining groundwater supply in the Odessa Ground Water Management Subarea (Odessa Subarea).
The Final EIS evaluates six action alternatives for delivering CBP water to partially or fully replace groundwater used to irrigate eligible acres in the Study Area. The partial replacement alternatives would deliver approximately 138,000 acre-feet of water annually to irrigate 57,000 acres. The partial replacement alternatives focus on surface water replacement for acreage located primarily south of Interstate Highway 90 (I-90) that can be served by expanding and extending the existing East Low Canal.
Alternative 4A: Modified Partial—Banks, Limited Spring Diversion has been identified as the Preferred Alternative by the co-lead agencies for the Final EIS. The modified partial groundwater replacement Alternative 4A meets the Purpose and Need of the project and was selected as the Preferred Alternative because it:
• Provides the most benefits to the aquifer with the least impacts to other environmental resources as compared to the partial and full replacement alternatives.
• Delivers water to the most acreage as possible with existing infrastructure.
• Has the highest Benefit-Cost Ratio of all the replacement alternatives.
• It is the environmentally preferred alternative.
• No additional drawdown of Lake Roosevelt.
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|Contact||Tim Hill at 509-454-4241 or firstname.lastname@example.org|
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At-A-Glance: Water for the Odessa Subarea
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