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Rob Pierce <br />August 22, 2008 <br />Page 2 <br />Table 1. Schedule of Depletions and Replacement Deliveries (All values in Acre-Feet). <br /> <br /> <br />Depletions Deliveries <br />at Ruedi <br />Reservoir <br />Jun 7.86 8.45 <br />Jul 8.06 8.66 <br />Aug 7.20 7.74 <br />Sep 5.27 5.67 <br />Oct 3.42 3.67 <br />Nov 1.89 2.03 <br />Dec 1.16 1.25 <br />Jan 1.11 1.20 <br />Feb 1.44 1.55 <br />Mar 2.39 2.57 <br />Apr 4.30 4.62 <br />May 6.11 6.57 <br />Total 50.21 53.98 <br />The Applicant also proposes to fill the pond via groundwater seepage, to minimize <br />required replacements for groundwater depletions generated under this plan, after mining <br />ceases and reclamation begins. Since this must occur pursuant to a subsequent renewal or a <br />plan for augmentation, conditions for such filling have not been included in this approval, but will <br />be considered as part of a renewal, if necessary. <br />As required by Section 8 of Senate Bill 89-120, this substitute water supply plan has <br />been provided to an outside consultant for review. I hereby approve the proposed substitute <br />water supply plan in accordance with §37-90-137(11), C.R.S. subject to the following conditions: <br />1. This plan shall be valid through May 31, 2009 unless otherwise revoked or <br />modified. If this plan will not be made absolute by a water court action by the <br />plan's expiration date, a renewal request must be submitted to this office with the <br />statutory fee (currently $257) no later than 90 days prior to the above expiration <br />date. <br />2. Well Permit No. 64547-F was obtained for the exposure of ground water and the <br />uses described herein in accordance with CRS 37-90-137(2) and (11). <br />3. The total surface area of groundwater exposed after December 31, 1980 shall not <br />exceed 3.57 acres during mining, and total consumptive use of the mining <br />operation shall not exceed 22.6 acre-feet, of which 11.0 acre-feet is due to <br />evaporative losses, 2.6 acre-feet is due to dust suppression, 4.4 acre-feet is water <br />removed in product (4% moisture of 190,000 tons of raw material), 0.3 acre-feet is <br />due to asphalt production (35,000 tons), 4.0 acre-feet is due to concrete production <br />(75,000 tons), and 0.3 acre-feet is due to sanitary use. Although replacement <br />deliveries in excess of these amounts are committed to this plan, any increase in <br />depletions must be submitted to this office as an amendment to this plan. <br />4. Approval of this plan is for the purposes as stated herein. No additional uses of the