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BBA <br />Table 3 <br />VALCO, INC. <br />SWSP ACCOUNTING PROJECTION <br />Rocky Ford East Pit <br />(all values in acre-feet unless otherwise indicated) <br />ail <br />0 <br />Net Water in Batch <br />Evaporative Mined Plant <br />De p letions Gravel Pum . in' <br />Re lacementRe.urrement <br />Oi. <br />co; 1.9 SX■ <br />1.41 <br />Total <br />Unlagged <br />Deletions <br />t2 <br />rz <br />t. KOX4 <br />Ditch Credit Re <br />6 <br />,0 <br />ments <br />Month <br />Annual Total <br />O. erations <br />Exposed <br />Water Gravel Batch Plant <br />Surface Production Pumping <br />(ac) (tons) (eallons) <br />2 <br />3 <br />48,000 0 <br />4 <br />5 6 <br />120.20 <br />0.00 <br />121.61 <br />Total <br />Lagging Lagged <br />Pattern Deletions <br />100% 121.61 <br />Rocky Ford Ditch <br />Ditch CU Transit <br />Credit Losses <br />CC &OC Excess CC& <br />OC Ditch <br />CU Credit <br />Used at RF <br />10 <br />11 <br />[12 <br />25.72 4.51 <br />PBWW Lease <br />Requested Required <br />Amount Amount <br />?,il ii1 lA!t(Q <br />cX� 0 , ;�s •0)i) :, <br />96.25 <br />91.52 <br />Remaining <br />Depletions <br />( -) /Surplus <br />Credit +) <br />4.87 <br />Notes: Shaded months correspond with projection data, non - shaded months correspond with actual data. <br />[1] Total exposed groundwater surface area in the pit. Increases to the July 2005 measured area are estnnated by Valco. <br />[2] Total gravel mined below the groundwater table as reported by Valco. <br />[3] Well pumping measured with totalizer. Meter reading reported by Valco. <br />[4] Required evaporative replacement based upon the following: Equals ([1] - 17.4 ac) x 4.02 It x monthly %. <br />17.40 as = pre -1981 exposed groundwater surface area (does not require augmentation) <br />4.02 feet = annual net evaporation rate at the site <br />[5] Water in Hired gravel is 4% by weight of the gravel produced. Equals [2] x (1/1359 af/ton of water) x 4 %. <br />[6] Well pumping converted to acre-feet. Equals [3]/(325,851 gal /al). <br />[7] Total unlagged depletions requiring replacement. Equals [4] + [5] + [6]. <br />[8] Annual lagging pattern for depletions to the Arkansas River. <br />[9] Lagged depletions to the Arkansas River. The monthly amounts will change slightly as the projected total changes. Equals [7] x [8]. <br />[10] Consumptive use credit from 2 Rocky Ford Ditch shares. <br />[11] River transit loss applied to excess Canon City and Oil Creek Ditch Credits that are used to augment depletions at Rocky Ford. <br />[12] Excess Canon City and Oil Creek Ditch credits used at the Rocky Ford site (reduced by transit loss). Equals (Canon City Table [10]) x (100% - [11]). <br />[ 13] Pueblo Board of Water Works scheduled release for Rocky Ford East Pit. <br />[14] Required Pueblo Board of Water Works lease volume needed to replace remaining depletions. Equals greater of zero and [9] - [10] - [12]. <br />[15] Remaining Depletions ( -) or Surplus Credit ( +) after accounting for replacement sources. Equals [10] + [12] + [13] - [9]. <br />H 051500 - V10062011-2012 Axow,Oneb- SWSPPrdecllm Aawnllue 2 2 011 -2012 'I, Arclino Fn n1 <br />