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CCP 07-14-2003
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CCP 07-14-2003
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<br />. <br /> <br />. <br /> <br />. <br /> <br />URS <br /> <br />AGENDA ITEM 7.A <br /> <br />Thresher Square <br />700 Third Strcct South <br />Minneapolis, MN 55415 <br />Phone: (612) 370-0700 <br />Fax: (612) 370-13783 <br /> <br />To: <br /> <br />Aaron Parrish/Arden Copy: <br />Hills <br /> <br />Tom Moore/Arden Hills File: 37951-005 <br />Jim Perron! Arden Hills <br />Nick LandwerlURS <br /> <br />From: Gregory Brown, PE ~~ <br />Arden Hills City Eng.kfr <br /> <br />Date: July 9,2003 <br /> <br />Subject: Karth Lake Pumping Station <br /> <br />The purpose of this memo is for an update on the Karth Lake high water problem. <br /> <br />I. Problem <br />Karth Lake is a land locked body of water surrounded by residential homes and a city <br />park on the south end with a total tributary area of approximately 125 acres. Because this <br />lake is land locked and primarily fed by runoff from the surrounding neighborhoods the <br />lake has historically experienced significant water level fluctuations. The city has <br />installed temporary pumping stations on at least 3 occasions between 1984 and most <br />recently the fall of 2002 at which time the lake level was pumped down about 2 feet in a 3 <br />week time period. <br /> <br />Currently the lake level is approximately the same as when pumping began last fall. <br /> <br />II. Solutions <br /> <br />Potential solutions to the high water level are as follows: <br />1. Do Nothing <br /> <br />Pros- No Cost <br />Cons-Does not address the issue <br /> <br />2. Permanent Pumping Station <br />a. Pump to Sunfish Lake <br />b. Pump to Valentine Lake <br /> <br />Pros- Pumping as needed (to a predetermined plan) in smaller increments with a <br />system installed out of sight <br /> <br />R\ARDENHIL\3795 1\37951 005\Karth Lake\CouncilMelllQ7 -14-03.doc <br />
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