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.r <br />,~ ; S ~ STATE OF COLORADO <br />OFFICE OF THE STATE ENGINEER <br />Division of Water Resources <br /> <br />Department of Natural Resources _ <br />~~~ ~ - <br />1313 Sherman Street, Room 81ti RECEIVED ~+ <br />~ <br />Denver, Colorado 80203 ~ ~ <br />61 <br />1 <br />6 q <br />~~~ <br />A G ~ 7 <br />3 89 <br />FAx (303 8 <br />6 L <br />Irtlp:/nxww.watecstate.ra.ua AUgU5T7, 2007 Division of keciamation, Bill RRler, Jr. <br />Governor <br />~ <br />l Mining and Safety <br />Mr. Jeffrey A. Clark 1 Hams D. Sharman <br />BBA Water Consultants, Inc. Executive Director <br />333 West Hampden Avenue, Suite 1050 rvecenry <br />Englewood, CO 80110 state Errg+neer <br />RE: oConsolidated Substitute Water Supply Ptan <br />Valco Inc. Gravel Pits <br />Canon CIty East M-77-559 Sec. 1 - T19S - R70W <br />Rocky Ford East M-77-580 Sec. 21 - 723S - RSBW <br />Lamar East yM-77872 Sec. 29 - T22S - R48W <br />Dear Mr. Clark: <br />We have reviewed your May 4, 2007 letter and the previous March 30, 2006 letter requesting renewal of the <br />substitute water supply plan for the above referenced gravel pits owned by Valco Inc. The required $257 fee has been <br />paid (transaction number 3616187). This approval will cover the period June 1, 2007 through May 31, 2009. <br />The maximum ground water exposure that will occur during this plan at each pit has been revised since the <br />August 10, 2006 approval letter, and those revised acres are as listed below. <br />Total Pre-1981 Post-1980 <br />Well Well Exposure Exposure Exposure <br />Pit Permit ID acres acres acres <br />Canon City East 52183-F 1205760 30.1 15.4 14.7 <br />Rocky Ford East 52017-F 1705986 47.3 17.4 29.9 <br />Lamar East 52184-F 6706363 35.4 13.2 22.2 <br />The maximum annual consumption that will occur during this plan at each pit is given below. The monthly <br />distribution of the values, and the lagged affects on the Arkansas River, are detailed on your table which is attached. <br />At the Canon City East pit pumping for batch plant uses is through well no. 22830-F (Well ID 1205640). At the Rocky <br />Ford East pit pumping for batch plant uses is through well no. 10525-F (Well ID 1705985). Use of these wells for <br />these purposes is covered by this plan. <br /> Batch Plant Material Total <br /> Evaporation Operations Washing Consumption <br />Pit a(__)f aj~f aj__)f auf <br />Canon City East 45.57 6.47 0.83 52.87 <br />Rocky Ford East 118.52 1.92 0.47 120.92 <br />Lamar East 92.21 0 0.44 92.65 <br />It is anticipated the replacement water will be provided from 2 shares of the Rocky Ford Ditch which you have <br />estimated yield 25.72 acre-feet annually, and from up to 250 acre-feet per year of consumable water obtained from the <br />Pueblo Board of Water Works, for which Valco has a 15 year lease (through June 15, 2013, extendable for one 10 <br />year period). Valco has also obtained an allocation of 6.8 acre-feet of water from LAWMA associated with 8 I.AWMA <br />shares owned by Valco and 79 acre-feet of water associated with 79 Preferred I.AWMA shares leased by Valco, which <br />will be used for replacement at the Lamar East Pit. To the extent water is insufficient from the above sources, PBWW <br />leased water will be delivered to make up the remaining depletion. Lastly, the applicant will use 25 shares of the <br />Canon City and Oil Creek Ditch which you have estimated will yield of 38.34 acre-feet annually, <br />