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CCP 01-21-2003
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CCP 01-21-2003
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<br />. <br /> <br />. <br /> <br />. <br /> <br />URS <br /> <br />Agenda Item 38 <br /> <br />MEMORANDUM <br /> <br />Thresher Square <br />700 Third Street South <br />Minneapolis, MN 554 I 5 <br />Phone: (612) 370.0700 <br />Fax: (612) 370.1378 <br /> <br />To: <br /> <br />Mr. Joe Lynch/ <br />City of Arden Hills <br /> <br />Copy: Nick Landwer/URS File: 379510056001 <br />Tom Moore/AH <br /> <br />From: Greg Brown <br />Arden Hills City Engineer <br /> <br />Date: January 15, 2003 <br /> <br />Subject: Karth Lake Update <br /> <br />Background <br />Several residents around Karth Lake expressed concern over the unusually high water level of <br />the lake during the past summer. As a result of this coneern, the Council directed City staff to <br />pump water out of the lake using temporary pumping apparatus. The lake level was lowered <br />approximately 2 feet. During the pumping a number of residents along Wyncrest Drive <br />expressed eoncerns over lowering the lake level and a couple residents complained of adverse <br />effects from the pumping (City staff was unable to validate those claims). <br /> <br />The Council indicated an interest in further monitoring of the level ofKarth Lake and evaluating <br />the feasibility of a permanent means to keep the lake elevation under control. URS and City staff <br />are proposing to install a lake level gage while the ice is strong enough to support workers. The <br />gage will cost approximately $200 and require about 4 hours to install. After the installation, <br />URS surveyors will calibrate the gage and City staff will monitor the lake level to develop more <br />data regarding the effeets of rainfall on the lake level. <br /> <br />A feasibility study of potential permanent pumping systems may be initiated at any time the <br />Council desires, however Couneil may want to wait to observe the lake levels after the Spring <br />thaw and subsequent rainfall events. <br /> <br />PROJECTS\ARDENHIL\3795I \GENERAL\Documents\Agenda Memo 1-15-03 Item 3B.doc <br />
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