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The current SWPPP has recently been updated to meet the requirements of Sector <br />J for the NPDES permit for Industrial Stormwater, MN R050000. This SWPPP will <br />again be updated to include the new area and meet the permit requirements prior <br />to the initiation of mining activities in the proposed area. <br />Sherburne Soil and Water Conservation District, February 24, 2011 <br />Page 4, #13 Water Use: There appears to be two homesteads on the site along 213th <br />Ave. If these homesteads will not be in use or if the buildings are to be razed, the sites <br />should be inspected for the existence of water wells. Any wells located at the sites that <br />will not be used in the future and which have not been sealed should be sealed <br />according to State of Minnesota requirements. <br />The buildings on the northern end of the property will be removed (as needed) at <br />the time that mining activities progress to this portion of the Site. The Minnesota <br />County Well Index does not indicate the presence of wells associated with the <br />buildings. The proposer is aware, however, that water wells are located near <br />these buildings. The City of Elk River will place specific requirements within the <br />CUP that require that all water wells within the mining area be abandoned in <br />compliance with the Water Well Code of the Minnesota Department of Health. <br />Minnesota Department of Transportation. March 9. 2011 <br />No Comments on the proposal. <br />So noted. <br />