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r~ TAT E OF <br /> <br /> EPARTMEh T <br /> <br />PHONENO. 612/296~-7523 <br /> <br /> OF NATURAL RESOURCES <br />1200 War,er Rd., St. Paul, HR. 55~06 <br /> FILE NO. <br /> <br />April 7. 19~t7 <br /> <br />Ms. Anne No~:ris <br />City of Ramsey <br />15153 Nowthen Boulevard <br />Ramsey, MN. 55303 <br /> <br />Dear Ms. Norris: <br /> <br />RE: PROPOSED EXCAVAtiON HEAR ITASCA LAKE - L & G RETF~EIN COMPANY <br /> <br />We have completed our r~,view of available well boring data and the <br />data provided by Mr. Dennis Peck, Northfork Development Inc. with <br />respect to the above-referenced project. Based om the soil boring <br />information.~ it appears that the impermeable layer separating the sand <br />aquifers in the area is Located approximately 50-60 feet beneath the <br />surface of the ground a~ the proposed excavation site. Therefore, <br />excavation <o a depth of 30 feet as proposed should have little or no <br />impact on water levels im Lake Itasca. <br /> <br />We recommend that the City~ in its permit process, include provisions <br />for monitoring water levels in both bodies of water and one monitoring <br />well between the bodies of water to monitor impacts on groundwater <br />levels. We would be happy to provide suggested language and/or <br />standards if requested, No DNR permits are required for the <br />excavation unless dewate~ing for excavation would occur in excess of <br />10,000 per day or 1 mill:~.on gallons per year. Should those levels be <br />exceeded, a DNR Appropriations permit would be required as provided in <br />M.S. ~105.4'[. <br /> <br />Should you have any questions or need further assistance in this <br />matter, feel free to contact me. <br /> <br />Sincereily,/'? <br /> <br />Jo~ Linc Stine <br />Ar~ Hydrologist <br /> <br />cc: Pete Raatikka~ Hakanson Anderson & Associates <br /> Dennis Peck, Northfork Development Inc. <br /> <br />L35/lkr <br /> <br />AN E~,)UAL OPPORTUNITY EMPLOYER <br /> <br /> <br />