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<br /> <br /> <br />' None of these wells are expected to feel any detrimental affects <br />from th• mining operation. Because wet mining techniques will be <br />used there will be no drawdown of the aquifer. This is <br />confirmed in th• South Platte River Phase A Master Plan prepared <br />' for the Urban Drainage and Flood Control District which refers to <br />a previous study performed by Dr. M. W. Bittinper on the effects <br />of lakes on an alluvial aquifer. <br />' Surface Water and Drainage <br />' The proposed mining site lies primarily within the floodplain of <br />the South Platt• River. Historically all local drainage on the <br />property runs directly to the river or is intercepted by <br />irrigation ditches •nd returns to th^ river downstream of the <br />t mining site. Other than the creation of the lakes there will be <br />no eipnifieant alteration oT the historic drainage patterns. <br />These lakes will serve as detention ponds during mayor storms and <br />will actually be beneficial for drainage patterns. <br />The McCann Ditch is located along the eastern boundary of the <br />' mining site. The mining plan will relocate this ditch in certain <br />areas and construct berms along existing portions of the ditch. <br />The mining plan has been designed such that there will be no <br />impacts felt by any water users on this ditch. 6everal meetings <br />t have been heltl with the McCann Ditch Board to discuss the <br />proposed mining plan. A draft agreement allowing the proposed <br />relocation and berming is 1n the process of being approved. A <br />' copy of the final agreement will be supplied to the MLRD prior to <br />the commencement of mining. <br />There are no other known irrigation ditches or surface water <br />' rights that will be impacted by this mining operation. The <br />closest ditch headgate on the South Platte River belongs to the <br />Brighton Ditch. This diversion structure is located on the <br />' opposite side of the river from the proposed location of the <br />mining lakes. The minimum proposed setback of 100 feet from the <br />river is adequate to protect the interests of this ditch. <br />' Water Riohts for Aunmentation <br />The Ready Mixed Concrete Company has obtained several existing <br />' wells to be used for replacement of water consumptively used in <br />the mining operation. These walla are permitted under Colorado <br />Law for use in agricultural irrigation, Table 1 lists pertinent <br />1 data for the five walls. <br /> <br />1 <br />~_Q <br />