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Stormwater Narrative/Summary February 10, 2022 <br />Tanager Creek <br />Orono, MN <br />3 | P a g e <br />MLCCS M_34X Acres % Area <br />Wetland Open Water <br />Not <br />Rated 1.08 8% <br />Wetland Emergent Veg.D 7.50 53% <br />11-25% Impervious <br />Not <br />Rated 0.92 7% <br />Forest <br />Not <br />Rated 3.50 25% <br />Tree Survey <br />A tree survey was completed as part of the planning process for the proposed development. All significant <br />trees and stands of trees were identified for species, size and location. The site consists of primarily Green <br />Ash, Box Elder, Red Oak, and Blue Spruce (landscaped). Existing trees are shown on the Existing Conditions <br />plan. <br />Wetland Delineation <br />A wetland delineation of the subject property was completed in September 2021. The wetland delineation <br />identified 5 wetlands on the subject property. The wetlands are identified as Wetland 1-1 through 1-5 in <br />the Wetland Investigation report dated September 10, 2021. The various wetlands include Type 1, 2 and <br />3 wetlands. The wetland boundaries were reviewed by Minnehaha Creek Watershed District during a TEP <br />meeting on October 18, 2021. Please see attached Notice of Decision for the approved wetland boundaries. <br />Topographic Survey <br />A topographic survey of the project area was completed by Anderson. The survey shows that the property <br />consists of an area of upland adjacent Brown Road and a large portion of wetland that is contiguous with <br />Long Lake Creek and Lake Minnetonka. The proposed project is limited to the area of upland. <br />Conceptual Greenways and Open Space Corridors <br />The Conceptual Greenway Corridor map from the 2008-2030 City of Orono Community Management Plan <br />identifies the subject property as part of the “conceptual greenway corridor”. The subject property includes <br />wetland areas that are contiguous with Long Lake Creek and Lake Minnetonka. The areas surrounding <br />these features are protected by 40-75 foot buffers. <br />Existence of Rare Plant Communities <br />\No rare plant communities were observed on the site and are not identified on the Hennepin County <br />Natural Resource Inventory Map. Most of the areas onsite are dominated by turf grasses and common <br />buckthorn. These areas are of low quality and do not warrant special protection.