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MI PinnaclePinnacle Engineering, Inc. • Tel:763 315-4501 <br /> /� i 101 Broadway Street West-Suite 100 Fax:763 315-4507 <br /> Engineering Minneapolis, Minnesota 55369 www.pineng.com <br /> July 10,2003 <br /> Mr. Bill Peterson <br /> Attorney at Law <br /> 3601 Minnesota Drive <br /> Edina,Minnesota 55439 <br /> RE: Drainage/Wetland Issues <br /> Pidgeon Property <br /> 665 Orchard Park Road <br /> Orono,Minnesota <br /> Dear Mr. Peterson: <br /> Pinnacle Engineering, Inc. (Pinnacle) was recently retained by Ms. Madalen Pidgeon to <br /> assess the wetland/drainage issues on her five-acre parcel of land located at 665 Orchard <br /> Park Road (Site) in Orono, Hennepin County, Minnesota. Ms. Pidgeon reported and had <br /> pictures documenting that her property has become increasingly inundated since she <br /> purchased it in 1985. Our scope of work included visiting the Site to document the <br /> current conditions,reviewing current and historic aerial photographs at the City of Orono, <br /> and compiling our findings in this letter report. <br /> Site Observation <br /> Pinnacle visited the Site on July 10, 2003 to document the current Site conditions. The <br /> Site visit revealed that there is currently a Circular 39, Type 4, deep marsh wetland at the <br /> Site that extends to the north and south, beyond the Site boundaries. The northern <br /> portion of the wetland is circular-shaped and is inundated with approximately 5-10 feet of <br /> open water. Numerous dead trees were observed in this portion of the basin, indicating a <br /> significant rise in the water levels that subsequently drowned these trees out. As the <br /> wetland proceeds south, it narrows down to a linear area of open water that stops at the <br /> Pidgeon's south property line, where there is a distinct vegetative and hydrologic change. <br /> The wetland type changes from an open water, Type 4 deep marsh basin to a Type 2, wet <br /> meadow wetland that is vegetated with reed canary grass and has minimal standing water. <br /> No natural topographic changes were observed at the property line that would cause this <br /> obvious change in wetland types. It appears that something at the south property line is <br /> blocking the natural outlet, impeding the water from following its natural course to the <br /> south into a separate wetland basin. <br /> Minneapolis, Minnesota Rochester, Minnesota La Crosse, Wisconsin <br />