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<br />" <br /> <br />ooans <br /> <br />draw down would begin in August with a target date of September 4th to reach a water surface <br />elevation of7, 129 ft. This would result in a Morrow Point Reservoir refill start date between <br />September 9th and September 19th. Releases during the reservoir refill would be adjusted as <br />needed to protect downstream warer quality. Water quality monitoring during the trash rack <br />cleaning project would be implemented as described in the water quality section of this chapter. <br /> <br />Cumulative Impacts <br /> <br />Cumulative impacts are impacts on the environment. which result from the incremental impact of <br />the action. when added to other past. present. and reasonably foreseeable future actions. <br />Cumulative impacts can result from individually minor but collectively signilicant actions taking <br />place over a period of time, <br /> <br />Past and present activities that have affected river-related resources in the area include irrigation. <br />urban development and recreational activities associated with construction and operation of the <br />Aspinall Unit and the Uncompahgre Project. and activities associated wilh the Recovery <br />Implementation Program for Endangered Fish Species in the Upper Colorado River Basin, <br /> <br />Implementation of all or any of these projects has affected and continues 10 affect the human <br />environment including but not limited to water quality. water rights. socioeconomic and wildlife <br />resources, Incremental cumulative impacts associated with the implementation of the Morrow <br />Point Trash Rack Cleaning Project are anticipated to be short.term and loa small 10 measure, <br /> <br />Summary and Environmental Commitments <br /> <br />In summary. the primary effect of the proposed action would be to remove trash and debris from <br />the Morrow Point Power Plant intake trash racks. The project is designed and would be <br />implemented to avoid or reduce impacts or harm to recreation. tish and wildlife resources. and <br />water quality, There would be no effect on water rights. water uses. or water supplies. <br /> <br />The following environmental and social/economic commitments are included in the project plan. <br /> <br />. The reservoir draw down would begin in August 2002 with a target date of September 4,2002 <br />to reach a reservoir water surface elevation of 7.129 ft. <br /> <br />. The reservoir draw down would occur at a rate not to exceed I to 3 ft./day. Landslide <br />movements during the trash rack cleaning project would be monitored using survey equipment <br />and visual observations. Landslide movements would be evaluated by Reclamation to determine <br />the rate of reservoir draw down and if the draw down should continue. <br /> <br />. Water quality monitoring at Morrow Point and Crystal Reservoirs. and downstream of Crystal <br />Dam would be conducted during the trash rack cleaning project (including reservoir draw down <br />and refill), Reclamation would coordinate water quality monitoring activities with the Colorado <br /> <br />20 <br />