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r. <br />Gray Freshwater Center <br />Hwys. 15 & 19, Navarre <br />Mail; <br />2500 Shadywood Road <br />Excelsior, MN 55331-9578 <br />Photre; (612) 471-0590 <br />Fax:(612)471-0662 <br />EmaB: <br />admtnOminnehahacreekorg <br />Web Site: <br />www.mntehahacreek.org <br />Board of Marugers <br />Pamela Q.Biixt <br />James Calkins <br />Lance Fisher <br />Monica Gross <br />Thomas W.LaBounty <br />Thomas Maple, Jr. <br />Malcolm Reid <br />0 FimM OR rtc^dld p«pir flORlWWiS <br />I|I|MI30%P«Ii <br />Minnehaha Creek Watershed District <br />Improving Qiiality of Water, Qttality of Life <br />October 28, 1998 <br />Mr. David Rahn <br />1385 Rest Point Road <br />Orono, MN 55323 <br />0 9 V99aCGi <br />RE: Floodplain Boundary <br />( O* wriCiv3 <br />Dear Mr. Rahn <br />On Friday Ociu tw 2 s, 1998 you and I met on your property on Lake Minnetonka to <br />discuss u lo' in y our yard bclcv.- elevation 931.5. As you know, land below the <br />931.5 elevation V...<I\vard of the ordinary high water (OHW) elevation of 929.4 falls <br />within the 100 ye-- - odplain of Lake Minnetonka. The floodplain is defined as the <br />areas adjoining a ..tercourse or water basin which may have been or hereafter may be <br />covered by a 100 year regional flood. The characteristics of your lot and adjoining lots <br />may present special circumstances for the low area in your yard. <br />1 observed an area of high ground that ran parallel w ith the lakeshore and extended across <br />your lot as well as the adjoining lots on both sides of your lot. This berm area is <br />approximately 20 to 25 feet in width and separates the low area behind your house from <br />the lake. The presence of mature trees on top of the berm indicates it has existed for <br />many years. There does not appear to be any direct connection between your low area <br />and the lake either on your lot or through adjacent lots. You showed me a site survey <br />plan of your lot that was developed prior to construction of the existing house and shows <br />a spot elev ation on the berm of 932.0. You further indicated that no alteration of the <br />berm took place during the construction of the existing house. <br />Based on the information you provided and on my observ ations of site characteristics, it <br />is my opinion that the low area in your yard is not adjoining the lake and therefore not <br />directly connected to the 100 year floodplain of Lake Minnetonka. <br />Please call me at 471*6282 if you have any questions. <br />Sincerely, <br />vWn Hafner <br />District Technician <br />c: Lyle Oman, City of Orono