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2007-11-28 CC Packet
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2007-11-28 CC Packet
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<br />10/26/07 09:58 FAX 651 602 1674 <br /> <br />METRO COUNCIL <br /> <br />~003 <br /> <br />Page Two <br />Dallas Larson <br />October 23,2007 <br /> <br />Metropolitan Cour.cil staff review !of the EA W finds that it is complete and accurate with <br />respect to other re~~iona1 concerns ~d offers the following comments for consideration as <br />the project is imph:mented: <br /> <br />Item 12 - Physical Impacts on Water Resources (Jim Larsen, 651-602-1159) <br /> <br />The projec1 proposes to elitninate the only wetland within the proposed 37~acre <br />redevelopment area and to ~xcavate the depression for use as a stormwater <br />treatment basin. Eliminatilj>n of significant wetlands during the redevelopment <br />process is contrary to COUQcil Policies that promote protection of such water <br />resources. Council policies recommend utilization afbest wetland management <br />practices tl1at result in maintenance and improvement of water quality, control of <br />runoffrate!i and volumes to reduce erosion and flooding, and preservation of the <br />designated beneficial uses of such natural basins. <br /> <br />This wetland area should be avoided and proposed stormwater detention and <br />treatment flcilities should be accommodated elsewhere on or off of the immediate <br />site. The ongoing CSAH14 reconstruction project in the City already resulted in <br />eliminatior. of several acres of wetland in the City. Since Clearwater Creek is <br />impaired fClr fish and invertebrate according to the index of biotic integrity (IB!), <br />further wetland losses in the City could incrementally worsen the Creek's IBI. <br /> <br />Item 17 -Water Quality: Surface Water Runoff <br /> <br />The document states that stormwater management features for the site will be <br />designed te, meet the Rice Creek Watershed District's (RCWD) proposed new <br />rules, dated June 13,2007. The City and site developers should meet with the <br />RCWD staff as soon as possible to site both infiltration and surface detention and <br />treatment hcilities for runo:ffwhere they will function most efficiently and in <br />harmony with the existing natural features. (Jim Larsen, 651-602-1159) <br /> <br />Also, the Minnesota Depmttment of Health designates the bedrock sensitivity to <br />contamination in Centervme as "high", based on the geologic character of the <br />I <br />aquifers in the area. Land use, therefore, has a significant chance of impacting <br />groundwatl~r quality. Stonn water infiltration projects should follow guidelines <br />put forth b:/ the Minnesota:Department of Health in 2006 for Evaluating Proposed <br />Storm Water Infiltration Ptojects in Vulnerable Wellhead Protection Areas. (Sara <br />Bertelsen, 1551-602-1035) i <br />
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