1977-01-25 - Laserfiche WebLink

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r In an effort to maintain the majority of the lake in good condition it is recommended that the bay with the storm sewer outlets be isolated from the rest of the lake to keep the sediment confined to this area. Isolation of this area can be accomplished by construction of a dike at the point -indicated in Figure C. A cross section ot this dike is shown in Figure D. It should be constructed so that the normal water level must rise somewhat before water can flow into the rest of the lake. Wetland vegetation such as reed canary grass, cattails, and sedges should be allowed to grow on the dike, around the entire edge of the sediment pond that is created, and along portions of the shoreline of the rest of the lake, especially near the dike. This vegetation will "tie up" some of the nutrients that the lake contains, thus making fewer nutrients available for algal growth. The creation of this sedimnet pond will enhance the wild- life values ild-life~values of the area by providing a greater variety of good and cover than is presently available. However, the creation of a sediment pond restricts access to the lake by homeowners whose land abuts the pond. As part of a cooperative effort these homeowners should be allowed access to the lake. Normal maintenance of the sediment pond will include periodic removal of accumulated sediments. This is no different than the present maintenance requirements of the storm sewer outlets. - The practices and measures outlined in this suggested solution must be applied throughout the entire watershed in order to be most effective. However, individual practices and measures will -- provide some relief.