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• <br />• <br />AGENDA ITEM 6B <br />STAFF ORIGINATOR: Marty Asleson <br />CITY COUNCIL <br />MEETING DATE: August 25, 2008 <br />TOPIC: Consideration of Resolution No. 08 -90, Approving Cost - <br />Share in Reshanau Lake Water Quality Efforts <br />VOTE REQUIRED: 3/5 <br />BACKGROUND: <br />Reshaneau Lake is classified as impaired water by the Minnesota Pollution Control <br />Agency. This means that the lake does not meet minimum requirements for clean water <br />as defined for human usability. By the nature of the Clean Water Act and the Non -Point <br />Discharge Elimination System, and the establishment of Cities as Municipal Separate <br />Storm Water Sewer Systems (MS4) this also means that there is a responsibility to <br />restore waters to as near acceptable quality as possible. This is done through <br />controlling external pollutant loading sources and the management of intemal pollutant <br />loading sources such as decomposing weeds. <br />Curly -leaf Pond Weed is well established in Reshaneau Lake. Curly -Leaf Pondweed is <br />an invasive aquatic plant from Eurasia. The plant has displaced native plants in <br />Reshaneau Lake. Curly -leaf Pondweed forms dense mats in the spring and later dies, <br />sinks to the bottom of Reshaneau Lake and creates a phosphorous release that causes <br />an algae bloom and strong odor. This is an internal pollutant load of Reshaneau Lake <br />that is desirable to control. <br />Please see Attachment 1, Reshenau Lake Management Plan, (Curly -leaf Pondweed <br />Management) dated 4/8/2005 for a more comprehensive history of lake management <br />efforts, and memo from Mathew Kocian from the Rice Creek Watershed District <br />(RCWD). <br />Over the last 3 years property owners around the lake have been working with the Rice <br />Creek watershed District to address the water quality problems. The process started <br />with the creation of a management plan. Property owners and the watershed District <br />have been cost sharing remediation efforts to implement the plan. Initial results have <br />been positive. Treatment of the lake is proposed to be continued in to 2009. The City <br />owns approximately 1800 feet of lake shore and given our MS4 responsibilities we are <br />proposing to contribute to this process. <br />Request: <br />A projected Lake Restoration Budget for 2009 is around $40,000. Property owners, <br />RCWD and the City are all stakeholders in restoration efforts. The Lino lakes <br />