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Mr. Chris Weber Page 2 <br />March 13, 2007 <br /> Net Batch Plant Material Total <br />Pit Evaporation Operations Washing Dust Control Consumption <br /> (a~ <br /> a a a a <br />Pueblo West 109.3 0 0 0 109.3 <br />Pueblo East 35.07 0 26.52 17.76 79.35 <br />Consumption at the Pueblo West pit is due to evaporation off of the remaining ponds, <br />batch plant operations, and dust control. Consumption at the Pueblo East pit will be due to <br />evaporation, water retained in product, and dust control, with all hatching and truck washing <br />water to be provided from city water supply. <br />REPLACEMENT <br />The replacement water is proposed to be from 2 sources. The first is Transit Mix's <br />ownership of 2.92 cfs of the Hamp-Bell ditch that historically irrigated 67 acres and is estimated <br />to yield 170.3 acre-feet annually in an average year and 153.9 acre-feet annually in a dry year <br />(see attached Table 4). The second is consumable water leased from the Pueblo Board of <br />Water Works. Transit Mix currently has a lease with Pueblo that will provide 106 acre-feet of <br />totally consumable water annually through September 30, 2007. <br />Hamp-Bell ditch credits will first be applied to depletions at the Pueblo West pit, with <br />excess credits carried down stream and applied to depletions at the Pueblo East pit site. <br />Depletions at each site that cannot be covered by ditch credits, and depletions caused by <br />elimination of return flows due to dry-up under the ditch, will be replaced using releases of the <br />Pueblo water (from Pueblo reservoir or other equivalent source such as Clear Creek reservoir). <br />The operational scenario giving monthly depletions and replacements Is detailed on your Table <br />5, which is attached. <br />Transit Mix commits 2 sources of long-term renewable water for aback-up supply to <br />cover the 92 acre-feet of depletions covered by the Pueblo water, should the Pueblo water <br />become unavailable in the future. The first i5 the 46.6 acre-feet of excess Hamp-Bell ditch <br />credits (identified on Table 5). The second is 41 acre-feet from 60 shares of Twin Lakes <br />Reservoir and Canal Company stock it owns. The other 24 acre-feet associated with the 60 <br />shares is currently dedicated to the Holcim SWSP, however, Holcim is currently backfilling and <br />will not need to continue their SWSP which will free up the 24 acre-feet. <br />Areas within the Pueblo West pit, in excess of the 96.1 acres of exposed ground water <br />indicated above, are being dewatered. Transit Mix has a bond deposited with the Division of <br />Reclamation, Mining, and Safety to provide for a lined berm around the dewatered area so a <br />source of long-term renewable replacement water is not needed for that area. <br />The State and Division Engineers have reviewed the plan and the adequacy of each <br />source of water provided for use as augmentation water, including, where necessary, the <br />historical consumptive use of each water right, and return flows from diversion of waters imported <br />into the Arkansas River Basin or other fully consumable waters proposed for use as augmentation <br />water. In accordance with Section 25-8-202(7), C.R.S. and Senate Bill 89-181 Rules and <br />Regulations adopted on February 4, 1992, the State Engineer has determined that subject to the <br />