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Minnesota DNR, Anoka Conservation District and the Metropolitan Council. The City's <br />responses to the comments have been included in the Council's packet. <br /> <br />Community Development Director Trudgeon advised under Minnesota Rules, the City must now <br />make a decision on whether the EAW and responses to the comments are adequate in addressing <br />the environmental issues regarding the proposed development. Based on findings of fact, the <br />City needs to determine whether additional environmental review through an Environmental <br />Impact Statement (EIS) is needed. He advised staff recommends that no further environmental <br />review is necessary in regards to Oakwood Land Development's Brookfield Addition. <br /> <br />Councihncmber Strommen noted comments were received from three separate agencies <br />regarding water usage. In the past there have been discussions of reviewing Chapter 9 regarding <br />standards for soil depth to make sure there is an adequate layer of topsoil when developments <br />first corec in. Another comment received was regarding surface water runoff and making sure <br />there is maximum infiltration. She noted the City's response to this was that the City looks at <br />t~aturcs that will help infiltration such as rain gardens. She stated as a group the Council has not <br />been that lhvorable to implementing rain gardens. There should be alternatives the City would <br />enact or the City's response on this issue should be reconsidered. The comments offered by the <br />City should be something they are committed to. <br /> <br />Councihnember Elvig concurred with Councilmember Strommen's comments regarding <br />rainga,'dens. <br /> <br />Assistant Public Works Director Olson indicated raingardens are included as a Best Management <br />I'racticc in the AUAR for Town Center. Based on the comments received with D.R. Horton 2ncl <br />Addition it was determined that raingardens would be allowed for the first couple of <br />developments, and then reviewed to see how they look, how they are maintained, and whether <br />they are effective in stormwater management. <br /> <br />Councihnember Strommen stated raingardens should not be included as an action the City will <br />take if they are still being used on a trial basis. <br /> <br />Community Development Director Trudgeon explained the response regarding surface water <br />runof£ in relation to Sweet Bay Ridge is more general as follows: "The City will look for <br />opportunities to incorporate low impact development features to help treat runoff and recharge <br />the groundwater table." He indicated this statement could be utilized in the response for <br />Brooklicld Addition as well. <br /> <br />Councihnember Strommen requested an example of the type of Iow impact development features <br />that would be utilized. <br /> <br />Assistant I~ublic Works Director Olson replied an example would be conventional ponds that do <br />not have liners in the bottom, with a requirement that they have infiltration capabilities. <br /> <br />Councihncmber Elvig inquired about the traffic method used to determine the traffic counts, as <br />there have been several numbers quoted in traffic trip analysis. <br /> <br />Assistant Public Works Director Olson replied the Institute of Transportation Engineering Trip <br />Generation Model was utilized. This model includes different classifications with a different <br />number of trips pcr land use. Townhouse developments are normally determined at five to six <br />City Council / August 9, 2005 <br /> Page 10 of 25 <br /> <br /> <br />