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• <br /> 'COl <br /> _�,p DEPARTMENT OF NATURAL RESOURCES <br /> r�> <br /> A f" = ° 1 DIVISION OF WATER RESOURCES <br /> F 18 7 6 */ John W.Hickenlooper <br /> Governor <br /> Mike King <br /> Executive-Director <br /> February 25, 2015 Dick Wolfe,P.E. <br /> Director/State Engineer <br /> Paul Weiss, P.E. <br /> Williams and Weiss Consulting, LLC <br /> 5255 Ronald Reagan Boulevard, Ste. 220 <br /> Johnstown, CO 80534 <br /> Re: Loloff Substitute Water Supply Plan (WDID 0302524) <br /> Loloff Pit, DRMS Permit No. M-1985-112 (WDID 0303012) <br /> Section 4, T5N, R65W, 6th P.M. <br /> Water Division 1, Water District 3, Weld County <br /> Approval Period: January 1, 2015 through December 31, 2015 <br /> Contact Phone Number for Mr. Weiss: 970-221-5159 <br /> Dear Mr. Weiss: <br /> We have reviewed your letters dated December 17, 2014 and January 21, 2015 requesting <br /> approval of a substitute water supply plan ("SWSP") on behalf of Lotoff Construction, Inc. ("Lotoff" or <br /> "Applicant") to cover depletions caused by an existing gravel pit operation. This site was previously <br /> covered under the combined SWSP for Aggregate Industries ("Al"); however a separate SWSP was <br /> obtained by Lotoff for the site in 2008. The required renewal fee of $257 (receipt no. 3667825) has been <br /> received. <br /> SWSP Operations <br /> The Loloff Pit is a gravel pit operation located in the SE% of the NW1A of Section 4, Township 5 <br /> North, Range 65 West of the 6th P.M., in Weld County. Well permit no. 77467-F has been issued for the site. <br /> This SWSP wilt make replacements to the Cache La Poudre River for depletions resulting from mining <br /> operations at the Lotoff Pit during the 2015 plan year, and for lagged depletions from past operations at the <br /> site. During this plan period, consumptive uses at the Loloff Pit site will include evaporative losses from <br /> exposed ground water within the permit boundaries, and operational uses. The replacement sources <br /> proposed to be utilized in this SWSP are yield from one share of the Greeley Irrigation Company and a lease <br /> of wholly consumable supplies from the City of Greeley. <br /> Depletions <br /> Consumptive use at the Lotoff Pit site will include evaporative and operational tosses. Depletions <br /> are assumed to impact the Cache La Poudre River perpendicular to the Loloff Pit, just above the <br /> headgate of the Ogilvy Ditch (WDID 0300937). The pit is proposed to be continuously dewatered during <br /> this plan period to allow dry mining. <br /> Based on a November 21, 2014 survey, there are a total of 1.52 acres of ground water exposed in <br /> dewatering ditches at the site. Net evaporative depletions were calculated using a gross annual <br /> evaporation of 45 inches from the exposed water surface, with a credit of 9.97 inches for effective <br /> precipitation. No credit was claimed for ice cover periods. The net depletion of ground water due to <br /> Office of the State Engineer <br /> 1313 Sherman Street, Suite 818•Denver,CO 80203•Phone:303-866-3581 •Fax:303-866-3589 <br /> www.water.state.co.us <br />