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City of Arden Hills Planning Commission Meeting for December 9th, 2020 P:\Planning\Planning Cases\2020\20-017 3493 Siems Court - Var\PC Packets\12-9-2020 Page 3 of 10 Aerial Photo of the Subject Property and accessory structure location. Structure Setbacks - Flexibility Requested The Subject Property is located within a Shoreland Management District, which impacts the rear setback of the property. Shoreland Management Districts overlay existing zoning districts of the City s hown on the official zoning map. The Shoreland Management District classifies Lake Johanna as a General Development Lak e, which determines certain setback requirements from the lakeshore. The rear of the Subject Property faces Lake Johanna, which has a setback of fifty (50) feet from the Ordinary High Water Level (OHWL). Minnesota Statutes 103G.005 Subd. 14 defines the OHWL as: “…the elevation delineating the highest water level that has been maintained for a sufficient period of time to leave evidence upon the landscape, commonly the point where the natural vegetation changes from predominantly aquatic to predominantly terrestrial…” The OHWL of Lake Johanna is 878 feet above sea level according to Minnesota Department of Natural Resources. The Shore Impact Zone is the land located between the OHWL and a line parallel to it at a setback of 50 percent of the structure setback. In other words, the Shore Impact Zone is the twenty-five (25) feet nearest to the shore within the 50 foot rear yard setback of the OHWL. The proposed structure would be located 25.2 feet from the OHWL setback just outside the Shore Impact Zone on top of where an existing landing structure is located.