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MDEPARTMENT OF - .;NATURALRESOURCES Minnesota Department of Natural Resources Division of Ecological & Water Resources 500 Lafayette Road, Box 25 5t. Paul, MN 55155-4025 February 20, 2020 Correspondence # ERDB 20200206 Mr. Matt Unmacht WSB & Associates, Inc. 701 Xenia Avenue South, Suite 300 Minneapolis, MN 55416 RE: Natural Heritage Review of the proposed 20201-35E Corridor AUAR Update, T31N R22W Sections 1-3,10-14, 24 & 25; Anoka County Dear Mr. Unmacht, As requested, the Minnesota Natural Heritage Information System has been queried to determine if any rare species or other significant natural features are known to occur within an approximate one -mile radius of the proposed project. Based on this query, rare features have been documented within the search area (for details, please visit the Rare Species Guide Website for more information on the biology, habitat use, and conservation measures of these rare species). Please note that the fallowing rare features may be adversely affected by the proposed project: Ecologically Significant Areas • Peltier Lake has been identified as a Lake of High Biological Significance. Lakes of Biological Significance were ranked as Outstanding, High or Moderate based on unique bird and plant presence. This particular lake has records of a plant spices, water -willow (Decodon verticillatus var. loevigatus), a species of special concern. As such, it is important that effective erosion prevention and sediment control practices be implemented and maintained near the lake throughout the duration of any nearby projects. Indirect impacts, such as the introduction or spread of invasive species, should also be considered and minimized. • The Minnesota Biological Survey (MBS) has identified multiple Sites of Moderate Biodiversity Significance within T31N R22W Sections 2, 10 & 11. Sites of Biodiversity Significance have varying levels of native biodiversity and are ranked based on the relative significance of this bacliversity at a statewide level. Sites ranked as Moderate contain occurrences of rare species and/or moderately disturbed native plant communities, and/or landscapes that have a strong potential for recovery. These particular Sites contain the following native plant communities: o Alder —(Maple — Loosestrife) Swamp o Northern Mixed Cattail Marsh