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DEPARTMENT OF NATURAL RESOURCES <br />ACS <br />DIVISION OF WATER RESOURCES <br />Bill Ritter, Jr. <br />Governor <br />August 24, 2009 <br />Harris D. Sherman <br />Executive Director <br />Dick Wolfe, P.E. <br />Director/State Engineer <br />Mr. Joe Kraig <br />Pioneer Sand Company, Inc. <br />P.O. Box 7650 <br />Colorado Springs, CO 80933-7650 <br />Re: Heit Sand and Gravel Mine ,,Substitute Water Supply Plan (WDID: 0202598) <br />DMG File No. M-03-016 <br />Section 13, T2N, R67W, 6th P.M. <br />Water Division 1, Water District 2, Weld County <br />Approval Period: September 1, 2009 through August 31, 2010 <br />Contact phone number for Mr. Joe Kraig: 719-599-8100 v?q'if r <br />Dear Mr.Kraig: AUG 2 5 2009 <br />Division of Recianiatiort, <br />We have received your letter dated August 7, 2009 requesting renewal vb3efety <br />referenced substitute water supply plan ("SWSP") to cover depletions caused by an existing gravel <br />mining operation operated by SW Chambers, LLC ("Applicant"). The Applicant shall be <br />responsible for compliance with this plan, but the State Engineer's Office may also pursue the <br />landowner for eventual compliance. The required fee of $257.00 for this substitute supply plan <br />has been submitted (receipt no. 3642143). The supply plan was most recently approved on <br />September 30, 2008. <br />Plan Operation <br />According to previous information received in this office, a slurry wall was constructed <br />around the perimeter of the site to hydraulically disconnect the Heit Sand and Gravel Mine <br />(WDID: 0203038) from the surrounding ground water system. Upon completion of the slurry <br />wall, site dewatering was initiated and dry mining began in May 2008. In accordance with the <br />State Engineer Guidelines for Lining Criteria for Gravel Pit the lining of the Heit Sand and Gravel <br />Mine was approved by the Division Office on June 24, 2009. For purposes of this SWSP it is <br />conservatively assumed that exposed ground water remains within the lined area. Therefore, <br />depletions accruing to the South Platte River will include evaporation from the exposed ground <br />water within the lined area. If an SWSP is requested for 2010 the Applicant shall provide <br />information if the water is removed from within the lined area and returned to the stream through <br />surface flow or ground water recharge and provide an update with the total acreage of the <br />remaining water within the lined area. <br />This plan seeks to replace depletions resulting from the evaporative losses, water lost <br />with the mined product and dust control. Note, that according to the new "General Guidelines for <br />Substitute water Supply Plans for Sand and Gravel Pits" gravel pit that are lined in accordance <br />with the State Engineers Lining Criteria (lining is approved by the Division Office), the applicant <br />must provide replacement for all native ground water remaining within the lined area except for <br />1P <br />Office of the State Engineer <br />1313 Sherman Street, Suite 818 • Denver, CO 80203 • Phone: 303-866-35810 Fax: 303-866-3589 <br />www.watenstate.co.us