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Gray Freshwater Center <br />Hwys. IS & 19, Navarre <br />KSail: <br />2500 Shadywood Road <br />Excelsior. MN 55331-9^ <br />Phone: (612)471-0590 <br />Fax: (612) 471-0662 <br />Efflaa: <br />adminOminnehahacreek.0^ <br />Web Site: <br />www.minnehahacreek.org <br />Board of fttanagers <br />Pamela Q. Blixt <br />James Calkins <br />Lance Fisher <br />Monic.‘ jross <br />Thomas W.LaBounty <br />Thomas Maple, Jr. <br />Malcolm Reid <br />0 flu itQCfid MPV OBfMifl <br />«HhI30%PMIi <br />Minnehaha Creek r- 1 Watershed District <br />Improving Quality ofWater, Quality of Life <br />October 28,1998 <br />Mr. David Rahn <br />138S Rest Point Road <br />Orono, MN 55323 <br />GCI ’ s '998 <br />RE: Floodplain Boundary <br />Dear Mr. Rahn: <br />On Friday October 23,1998 you and I met on your property on Lake Minnetonka to <br />discuss a low area in your yard below elevation 931.5. As you know, land below the <br />•931.5 elevation and landward of the ordinary high water (OHW) elevation of929.4 falls <br />within the 100 year floodplain of Lake Minnetonka. The floodplain is defined as the <br />ateas adjoining a watercourse 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 />I observed an area of high ground that ran parallel with 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 tow 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 cither 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 e.xisting house and show s <br />a spot elevation on the berm of932.0. 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 observations 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 />District Technician <br />Lyle Oman, City of Oronoc: <br />1 <br />I