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I�III' 'gHllUn:• <br /> OM. �',I,��,� Dane County Regional Planning Commission <br /> Xiiiii'.�uml'd��II 217 S. Hamilton St., Suite 403, Madison, Wisconsin 53703-3238 Tel. 608/266-4137 <br /> 4*/ CrEl <br /> MEMORANDUM <br /> TO: Gary Gunderman <br /> al <br /> FROM: Mark Schroe,Ndeer-I JAN 2 2 1993 <br /> DATE: January 21 , 1993 BEC VED <br /> ZONING DIV. <br /> RE: Potential Groundwater Impacts of Quarrying <br /> in the Town of Vienna (CUP #1041 ) <br /> A review of information on file at the Regional Planning Commission indicates <br /> that the proposed mining operation in Section 34 of the Town of Vienna should <br /> not threaten groundwater supplies in nearby wells as long as routine steps are <br /> taken to clean up any contaminants. Also, the post mining contours of the <br /> site should not affect groundwater or surface water drainage or recharge. <br /> Page I of the operator 's information packet indicates 35 feet of sandstone <br /> between the quarry floor and the high water table. Private well logs from the <br /> area confirm this. Therefore, quarrying operations will not be in contact <br /> with groundwater levels. Also, sandstone provides some attenuation capacity <br /> which would reduce the chance of contamination from fuel spills. It is still <br /> advisable that spills be contained and cleaned up. Perhaps refueling can take <br /> place on an impervious surface near the operations platform shown on page D. <br /> The quarry site is located on the surface drainage divide between the Yahara <br /> River and Sixmile Creek. The area functions as a groundwater recharge area, <br /> and will continue to function as a recharge area during and after quarrying. <br /> There are no nearby lakes or streams to be affected by recontouring the site <br /> during mining. Therefore, there Is no anticipated adverse impact on surface <br /> water drainage, or groundwater recharge. <br /> I talked to Bill Fleck relative to noise and blasting impacts. Bill indicated <br /> that he has information pertinent to these topics, so I will defer to him on <br /> those questions. <br /> MS: lel <br /> cc: Bill Fleck, Dane Co. Zoning Administrator-- <br /> �� /ypi a A.L !zs R, r� ors 17— 4;214 e0e.y <br /> p P•5704"7-1 e S <br /> RPC -� <br />