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Sediment disposal • <br /> The sediment disposal sites are located in the following areas: <br /> • SE '/4 of SE '/a, Sec. 29; <br /> • S %2 of NE 1/4, Sec. 31; <br /> • SW '/4 of NW 1/4, Sec. 32; <br /> • NE 1/4 of SE 1/4, Sec 32; <br /> All in Township 33, Range 26, Sherburne Co., MN. <br /> Attach copies of the following to the EAW: <br /> a. a county map showing the general location of the project <br /> b. copy(ies)of USGS 7.5 minute, 1:24,000 scale map(photocopy is OK)indicating the project <br /> boundaries; <br /> C. a site plan showing all significant project and natural features. <br /> A county vicinity map, United States Geological Survey (USGS) map, and site plans for <br /> the sediment removal and disposal are attached. <br /> 6. Description Give a complete description of the proposed project and ancillary facilities(attach <br /> additional sheets as necessary). Emphasize construction and operation methods and features that will cause <br /> physical manipulation of the environment or produce wastes. Indicate the timing and duration of <br /> construction activities. <br /> Background • <br /> Lake Orono is an impoundment of the Elk River total encompassed within the City limits <br /> of the City of Elk River. The Elk River empties into the Mississippi River approximately <br /> one mile down stream of the dam for Lake Orono. <br /> The local lake owner's association, the "Lake Orono Improvement Association" is <br /> concerned about water quality in Lake Orono and areas of the lake that have recently <br /> become non-navigable due to sediment. This group convinced the Elk River City <br /> Council to conduct a study of these issues. The City of Elk River hired Wenck and <br /> Associates to conduct a detailed study on both issues. Sherburne County, the City of Elk <br /> River, the Sherburne County Soil and Water Conservation District (SWCD), the Lake <br /> Orono Improvement Association, the Elk River Lions Club and the Elk River American <br /> Legion all helped to fund the study. <br /> The City of Elk River took great efforts to involve the Minnesota Department of Natural <br /> Resources (DNR), the Minnesota pollution Control Agency (MPCA), United States <br /> Army Corps of Engineers (USACE), and the Sherburne County SWCD in the study <br /> process to ensure all appropriate issued were addressed. The "Lake Orono Sedimentation <br /> and Water Quality Study" was published in October of 1997. <br /> • <br />