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Draft North & East Metro Groundwater Management Area Plan 3-5 <br /> 3. Minnesota Statutes protect trout streams from water appropriations (Minn. Stat., sec. <br /> 103G.285, subd, 5) because they are particularly dependent on steady flow,stable cold water <br /> temperatures, and sufficient oxygen levels. These conditions depend on a steady supply of <br /> groundwater from springs or diffuse seepage.The goal is to limit stream depletion due to <br /> groundwater pumping. <br /> 4. Calcareous fens'are a rare type of peat-forming,groundwater-dependent wetland that are also <br /> protected in statute (Minn. Stat.,sec. 103G.223) because they host rare plants and are sensitive <br /> to impacts. Calcareous fens are very dependent on upwelling groundwater to maintain their <br /> unique chemical and physical characteristics.To meet the statutory requirement,the goal is to <br /> limit depletion of water moving to the fen as a result of groundwater pumping. <br /> 5. Public water wetlands may not be drained unless replaced (Minn. Stat., sec. 103G.221), and <br /> temporary drawdown is only allowed if certain conditions are met, including: improving <br /> navigation and recreational uses, improving fish or wildlife habitat, exposing sediments in order <br /> to remove nutrients or contaminants,to alleviating flooding of agricultural land or allowing <br /> mining of metals (Minn. Rules, part 6115.0270). <br /> There are no general thresholds for some of the other features described in Section 2 of this Plan: <br /> springs and seeps and wetlands that have saturated soil near the surface but do not have ponded water <br /> for much of the year, and native plant communities other than calcareous fens. <br /> Section 5 of the GWMA Plan provides a set of actions to meet Objective I. <br /> 'There are no known calcareous fens in the North & East Metro GWMA. <br /> P54 <br />