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The total water requirement is 100.9 acre-feet, ignoring <br /> the return-flow credit and the pit inflow. This is less than <br /> the consumptive-use credit derived from the 27 shares, so <br /> that Peabody owns the rights to obtain sufficient water from <br /> the Colorado Co-operative ditch to implement this plan. <br /> The pit-inflow rate is the basis for the amount of <br /> water needed for augmentation. To illustrate; if no water <br /> flows into the pit, then there can be no impact to surface- <br /> water rights, because no water is being diverted from the <br /> rights. Twice the average pit inflow rate is the upper limit <br /> to the amount of water needed for augmentation including the <br /> 0.5 administrative-loss factor. <br /> Eleven (11) surface-water rights (Figure 2) were <br /> determined to be potentially impacted and are included in the <br /> proposed augmentation plan. Twenty-nine (29) wells were <br /> examined to determine potential impacts to ground-water <br /> rights. Of these, 27 were determined to be too deep to be <br /> impacted by the mining operation; however, two shallower <br /> wells which may be impacted will be monitored provided <br /> approval is obtained from the well owners. A monitoring <br /> program to provide information about changes in surface-water <br /> flow volumes and ground-water levels adjacent to the NUCLA <br /> EAST mining area is also presented (see Section 4 .4) . <br /> 9 <br /> GEOTRANS, INC. <br />