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WSP06981
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Last modified
1/26/2010 2:25:14 PM
Creation date
10/12/2006 2:01:52 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8276.110
Description
Grand Valley Unit-Colorado River Basin Salinity Control Project
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
6/16/1978
Title
Negative Determination of Environmental Impact: Stage One of the Grand Valley Unit - Colorado River Basin Salinity Control Project
Water Supply Pro - Doc Type
EIS
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<br />'. <br /> <br />. 00 <br />. C.J <br />"0 <br />o <br />'-~) <br />~ <br /> <br />-------.-----,.----- <br /> <br />.<~. <br /> <br />D. BASIS FOR NEGATIVE DETERHINATION <br /> <br />The proposed construction would be contained within the boundaries <br />of the Grand Valley Project, an intensified agricultural complex. No <br />wilderness, primitive, scenic, or national recreation areas; cultural <br />resource sites; geological sites; national trails; national or State <br />parks; or any similar features would be affected. <br /> <br />The proposed work would have no effect on fish resources and only <br />minor effects on wildlife resources. Establishment of a wildlife area <br />would compensate for the loss of habitat value on agricultural lands. <br />No threatened or endangered species would be affected. <br /> <br />No additional lands would be brought under irrigation by the unit. <br />Right-of-way changes would be minor. The amount of land to be acquired <br />for wildlife habitat is small enough to be developed without requiring <br />the relocation of any persons. <br /> <br />Cross-drainage features would be consistent in appearance with the <br />existing landscape above the Government Highline Canal. Similar features <br />have been implemented by other agencies, and the area is already disturbed <br />and no longer in its natural state. Controlled releases of runoff flows <br />would not require alterations of existing drains in the Stage One area. <br /> <br />There would be only minor air and water pollution during construction. <br />Pollution levels would be similar to those existing from routine operation <br />and maintenance activities. No significant degradation of water quality <br />would occur from the improvements, and no standards would be violated <br />because of construction activities. <br /> <br />TIlis negative determination addresses only the impacts <br />of Stage One construction. Any further development of the Grand <br />Valley Unit will be dependent upon data received from the monitor- <br />ing programs to be undertaken in the Stage One area. If monitoring <br />results are favorable, impacts of the remainder of the unit will <br />be addressed in draft and final environmental statements which will <br />be prepared before a decision is made on any further const~uction" <br /> <br />D-l <br />
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