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Evaluation of Potential Well Impacts From <br />The Proposed Nix Property Sand and Gravel Operation <br />• Letter from Hydrosphere Resource Consultants dated July 13, 2001, regazding initial <br />comments on potential impacts of Nix property sand and gravel mine <br />• Letter from Leaf Engineering dated July 13, 2001, regazding Owens Brothers gravel pit-well <br />injury analysis <br />• Exhibit C-3: Mine Plan Map dated September 18, 2001, prepazed by Banks and Gesso, LLC <br />It should be noted that the letters from Hydrosphere Resowce Consultants and Leaf Engineering <br />were prepared in response to the potential impacts anticipated from the proposed dry mining of <br />the Nix property. <br />3.1 Piezometers <br />Seven piezometers were installed on the Nix property and adjacent to the wetland on the Sage <br />Hill Farm, south of the Nix property, on August 14 and 24, 2001. The piezometers were <br />installed using an auger drill rig and were completed with 2'/.-inch polyvinyl chloride (PVC) <br />pipe. Most of the piezometers were installed to a depth of approximately 20 feet, with the lowest <br />five feet constructed of slotted casing. Two wells were drilled deep enough to encounter bedrock <br />(approximately 50 feet) but were completed to the 20-foot depth. Figwe 2 shows the locations of <br />the seven piezometers (P-1 through P-7) relative to the Nix property boundary. All seven <br />piezometers were used for groundwater level monitoring purposes and given MW designations <br />as part of that data collection process. <br />3.2 Adjacent Wells <br />SEO regulations require that owners of wells within 600 feet of proposed aggregate mining <br />operations be contacted to allow them the opportunity to assess the potential effects on their well. <br />Banks and Gesso, LLC, conducted a search of the SEO records within one-half mile of the <br />proposed operation to identify all permitted wells. Table 1 is a listing of these neazby wells as <br />correlated to locations identified on Sheet 1. . <br />011-074.000 Wright Water Engineers, Inc. Page 3 <br />November 2001 <br />