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From: (LS°.e~® ~; Doc. Name: %.s~A Doc. Date (if no date STATE OF ~ OFFICE OF THE STATE ENGINEER Division of Water Resources Department of Natural Resources 1313 Sherman Street, Room 818 AU USt 7, 2003 Denver, Colorado 80203 9 Phone (303) 866-3581 RECEIVED FAX (303) 866-3589 WWW.WdtenSldte.C0.U5 SEP 0 42003 Mr. Joe Tom Wood Martin and Wood Water Consultants, Inc. Dirisian ~f Minerals and Geology 602 Park Point Driver, Suite 275 Golden, Co 80401 Re: Substitute Water Supply Plan, Loveland Ready Mix Green/Croissant Pit (DMG #M-01-022) Section 30, TSN, R67W, 6th P.M. Water Division 1, Water District 4, Wefd County Dear Mr. Wood: pF' COQ ye~ .. Y Y ~` 1876 Bill Owens Governor Greg E. Walther Executive DIfeRO! Hal D. Simpson, P.E. SUte Engineer This letter is in response. to your application for a substitute water supply plan for the Loveland Ready Mix Green/Croissant Pit. The required fee of $1,343 for the substitute water supply plan has been submitted. The anticipated annual net depletion for this plan according to the monthly breakdowns provided with this plan are as follows: 45.49 acre-feet during the first year of operation, consisting of 34.60 acre-feet of evaporation from 13.73 acres of water su rface exposed after December 31,1980, 2.95 acre-feet of water lost with the mined product (100,000 tons), 4.50 acre-feet used for dust suppression, and 6.44 acre-feet used in concrete batching; and 53.33 acre-feet during the second year of operation, consisting of 39.64 acre-feet of evaporation from 15.73 acres of water surface exposed after December 31, 1980, 2.95 acre-feet of water lost with the mined product (100,000 tons), 1.50 acre-feet used for dust suppression, and 9.22 acre-feet used in concrete batching. According to the information submitted there were several small stock ponds on the propertywithin the reclamation permit boundary prior to January 1, 1981, however no credit is being claimed for these areas and replacement of evaporation will occur for all exposed water surface caused by mining. The proposed source of replacement for this pit is 46.36 acre-feet of fully consumable efFluent leased from the City of Loveland and made available at its wastewater treatment plant for the first year, and 54.33 acre-feet from the same source forthe second year. Both figures include an amount for river transit losses. The monthly depletions and replacement requirements are found on the attached table. The long-term replacement requirement will be provided by the 25-year lease with the City of Loveland (the lease expires December 31, 2022) As required by Senate Bill 89-120 in Section 8, this substitute water supply plan has been provided to an outside consultant for review. The consultant has recommended approval of the plan by way of this letter. Based upon statutory requirements and the recommendations of the consultant, I hereby approve the proposed substitute water supply plan in accordance with §37-90- 137(11), C.R.S. subject to the following conditions: 1. Unless othervvise revoked or modified, this plan shall be valid through June 30, 2005.