2011-07-28_HYDROLOGY - M1978210 - Laserfiche WebLink

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`s wS P 876 Ms. Michelle L. Hatcher 4 019 Clear Water Solutions, Inc. 8010 S. County Road 5, Suite 105 Windsor, CO 80528 Re: Substitute Water Supply Plan for the Geisert Pit, Amendment WDID 0302536 ,/ DRMS Permit No. M 78 -210, Pit WDID 0303030 Section 31, T6N, R65W, 6th P.M. Water Division 1, Water District 3, Weld County Depletions Replacements DEPARTMENT OF NATURAL RESOURCES DIVISION OF WATER RESOURCES July 27, 2011 Approval Period: April 1, 2011 through March 31, 2012 Contact Phone Number for Ms. Hatcher: 970 - 223 -3706 John W. Hickenlooper Governor Dear Ms. Hatcher: Mike King Executive Director Dick Wolfe, P.E. Director /State Engineer RECEIVEn 1L282o =1 Division or r■e(AiAil , Mining and Safety This letter is in response to your letter dated April 6, 2011, requesting an amendment to the approval of the Geisert Pit Substitute Water Supply Plan ( "SWSP ") dated March 7, 2011. The purpose of this amendment is to include an additional operational depletion associated with the construction of a slurry wall at the Geisert Pit site. All other consumptive uses and conditions at the Geisert Pit site will remain the same as in the May 7, 2011 approval. Weld County proposes to use approximately 41.1 acre -feet from the Geisert Pit for the slurry wall construction, which is expected to begin in July 2011 and is expected to be completed by December 2011. The attached amended Table 2 shows the anticipated depletions associated with slurry wall construction. Water used for slurry wall construction is considered to be 100% consumptive. The source of replacement water for the additional depletion is a lease of 41.1 acre -feet of reusable effluent from the City of Greeley's Wastewater Treatment Plant ( "WWTP "). Weld County has a perpetual lease with the City of Greeley for the right to use up to 300 acre -feet per year of Greeley's reusable effluent. A copy of the lease agreement with the City of Greeley for 41.1 acre -feet of fully consumable effluent from the WWTP (WDID 0302312) to be used at the Geisert Pit from July 2011 through December 2011 is attached to this letter. Greeley's WWTP discharge point is located approximately two miles downstream of Weld County's Geisert Pit. There are no intervening water rights within this reach, thus the replacement water from the WWTP is sufficient to replace the pit's out -of- priority depletions. The monthly depletions and replacement requirements are found on the attached amended Table 3. Office of the State Engineer 1313 Sherman Street, Suite 818 • Denver, CO 80203 • Phone: 303 - 866 -3581 • Fax: 303 - 866 -3589 http://water.state.co.us