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Last modified
8/11/2009 10:34:04 AM
Creation date
1/4/2008 3:10:33 PM
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SWSI
Basin
South Platte
Title
Comments 11
Date
12/12/2003
SWSI - Doc Type
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<br />The new project proponent is responsible for any necessary analysis and channel <br />reconstruction. Changes to channel capacity should be accomplished by physically <br />reconstructing the channel where necessary. These alterations should be achieved by <br />means other than flow manipulation in order to maintain the ORVs in the river corridor. <br />Proposals for flow and channel modification for new projects will be reviewed by <br />participants of the annual operations meeting. <br /> <br />C. Stream Channel Maintenance and Improvement <br /> <br />The mainstem of the South Platte contains some of the finest fishery habitat in the state. <br />Maintaining that habitat is one of the main goals of the Plan. This section of the Plan <br />addresses stream habitat concerns regarding river sedimentation and areas needing <br />channel habitat improvement projects. These channel improvement projects will consist <br />of in-stream improvements, as opposed to flow management. Stream habitat concerns <br />regarding flow management, reservoir operations and channel maintenance flows are <br />addressed in Section IT, D-F~ <br /> <br />There are several man-made disturbances (including roads) that contribute to sediment <br />deposition in the river system. High amounts of sediment entering stream systems can <br />change the chemical composition of a stream, and impact the ecology of the river. <br />Sustained bankful or higher flows alter erosion and sediment transportation rates within <br />the river corridor contribute to erosion~ <br /> <br />To minimize sedimentation and bank erosion, the Forest Service, CDOW, the water <br />users, and any other interested participants will develop a stream habitat improvement <br />plan (improvement plan). The improvement plan will: <br /> <br />. Identify degraded areas of stream channel habitat <br />· Identify streambank erosion and river sedimentation sources and erosion control <br />· Develop in-channel habitat improvement projects to improve stream channel <br />habitat, including bank stabilization and erosion control <br />· Monitor the physical and biological response to in-channel improvements <br /> <br />Implementation of the improvement plan will be one of the main priorities considered <br />by the governing Board of Trustees (see Attachment D Endowment Plan) when <br />determining use of endowment funds. <br /> <br />N :\Supply\ Waage\wi Ids cen\attachb. doc <br /> <br />B-5 <br />
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