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WSPC138
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WSPC138
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Last modified
1/26/2010 4:15:56 PM
Creation date
4/22/2007 10:24:26 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8240.200.44.L
Description
CO River Threatened-Endangered - RIPRAP - Green Mountain-Grand Valley-Orchard Mesa - Reports-Data-Et
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
8/14/2002
Author
DOI-BOR
Title
Reudi Reservoir Agreements to Offset HUP Shortages at Green Mountain Reservoir - Finding of No Significant Impact and Environmental Assessment - 08-14-02
Water Supply Pro - Doc Type
Report/Study
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<br />DOJ535 <br /> <br />Proposed Action (HUP Releases) <br /> <br />This alternative would expose approximately 18 more feet of shoreline at the reservoir in comparison to <br />No Action; shoreline that would not typically be exposed. Similar to No Action, this area would be <br />subject to slightly increased impacts due to wave action and looting or vandalism. These impacts would <br />be relatively low risk for the same reasons as explained under No Action. Reclamation would conduct a <br />reconnaissance of the shoreline during the low water period to determine if landforms likely to contain <br />cultural resource sites were visible. Reclamation would consult with the State Historic Preservation <br />Office on the findings from this survey, and on the need for any further actions. <br /> <br />No new surface disturbance is proposed under this alternative--the delivery system for releases consist of <br />existing stream courses and existing canals on agricultural lands. Flows downstream of Ruedi Reservoir <br />would be approximately 250-300 cfs during releases for the Proposed Action. Flows at this rate are not <br />expected to create any scour or erosion to the stream channels downstream of Ruedi (see "Hydrology"). <br />Therefore, no effects on cultural resources below the reservoir are anticipated. <br /> <br />Net Effects <br /> <br />The Proposed Action would result in a slight increase in potential impacts to cultural resources at Ruedi <br />Reservoir due to the additional 18 feet of exposed shoreline. Because the survey found no sites and the <br />reservoir shoreline has been subjected to previous wave action, no potential to cause effects to historic <br />properties exists. <br /> <br />No impacts downstream of Ruedi are anticipated under either alternative. <br /> <br />25 <br />
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