Laserfiche WebLink
• <br />is <br />ITEM 2- PROJECT NARRATIVE <br />1.0 INTRODUCTION <br />Orono Lake (MDNR ID# 71 -13) is an approximately 300 acre lake located <br />within the City of Elk River. Orono Lake is an impoundment of the Elk River <br />and is located in the lower portion of the Elk River watershed. The Elk River <br />has a watershed of approximately 387,840 acres of drainage. Lake Orono's <br />immediate watershed is approximately 9,250 acres. The trophic status of <br />Orono Lake is eutrophic/hypereutrophic based on the limited number of data <br />points reported (MPCA, 1985). <br />Concern has been expressed by the City of Elk River and the Lake Orono <br />Improvement Association that runoff from the drainage area is resulting in <br />the lake being filled in at an unacceptable rate creating shallow areas which <br />have become a hazard to recreational use, degrades fish habitat, and adds to <br />nuisance levels of algae during the open water periods. A request to the <br />Minnesota Department of Natural Resources to remap Orono Lake to help <br />determine the rate of sedimentation will be made in the near future. <br />2.0 PROJECT TASKS <br />The goals of the proposed project are to ultimately dredge portions of Orono <br />Lake to enhance the publics use of the water body, to identify the critical <br />loading areas within the drainage area, and to identify methods to reduce <br />loading to acceptable levels. Therefore, the tasks included in the proposed <br />project are as follows: <br />TASK I. Watershed Review - A comprehensive review of existing <br />information on both Orono Lake and the Elk River drainage <br />area above the lake, will be conducted. In addition to the review <br />of the existing information, a review of suspected areas of <br />concern will be conducted. Information obtained in this task <br />will assist in identifying the critical areas which will require <br />monitoring. <br />11- 28sr/bz/stever <br />