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Aggregate Industries South Platte Combined SWSP April 13, 2018 <br />Plan IDs 3614, 4773, 3624, 4772, 4616, 3437, 3376, 3650, 3668, and 5475 Page 12 of 20 <br /> <br />yield of 85 acre-feet and estimated average annual consumptive use of 15.8 acre-feet for these <br />shares. <br />City of Greeley Lease <br />Aggregate has previously utilized fully consumable effluent leased from the City of Greeley as <br />a replacement source in this SWSP. The water is discharged to the Poudre River from the City’s <br />wastewater treatment plant. In the future, Aggregate may use leased water from the City of <br />Greeley if a supplemental source of replacement water is needed. <br />City of Longmont Lease <br /> For this SWSP period, the use of leased water from the City of Longmont is not necessary and <br />is not proposed to be utilized. In the future, Aggregate may use leased water from the City of <br />Longmont if a supplemental source of replacement water is needed. <br />Godding, Dailey & Plumb Ditch <br /> The Applicant seeks to rely on a historic consumptive use analysis included in the SWSP <br />request for the Distel Pit dated November 14, 2000. The historic consumptive use analysis did not <br />compare actual monthly historical diversions to the monthly crop consumptive use (based on actual <br />weather data), and therefore is not acceptable. Prior to use of these shares as a replacement <br />source, the Applicant must provide a revised historic consumptive use analysis for the subject shares. <br />The revised analysis must also identify the lands historically irrigated by the shares. <br />Huett Seepage Ditch <br />Prior to use of these shares as a replacement source, the Applicant must provide a full <br />historic consumptive use analysis for the subject shares. <br />L.G. Everist Lease <br /> Aggregate has previously utilized water leased from L.G. Everist, Inc. and stored in the <br />Everist Star Reservoir (WDID 0303325) as a replacement source in this SWSP. Everist Star Reservoir is <br />part of the Feit Gravel Pit (M-1977-522), and is primarily located in the SE¼ of the SW¼ and the SW¼ <br />of the SE¼ of Section 26, Township 6 North, Range 66 West, 6th P.M., adjacent to the Cache la <br />Poudre River. The slurry wall liner for the Everist Star Reservoir was approved as having been lined <br />to the design standard referenced in the August 1999 State Engineer Guidelines for Lining Criteria for <br />Gravel Pits in a letter dated December 16, 2014 (amended March 6, 2015) and it is therefore <br />classified as a lined reservoir. Deliveries from the Everist Star Reservoir would be to the Cache la <br />Poudre River via a submersible pump. The headgate for the Greeley No. 3 Ditch is located between <br />the point of depletion of the W.W. Farms Pit and the Everist Star Reservoir (downstream point of <br />release). During times when the Greeley No. 3 Canal is calling for water, Aggregate is not permitted <br />to use the water released from the Everist Star Reservoir as a replacement source for depletions <br />from the W.W. Farms Pit. <br />Last Chance Ditch Company No. 2 <br />The Applicant proposes to rely on a ditch-wide analysis of the Last Chance Ditch system <br />performed by W.W. Wheeler and Associates summarized in a letter report dated April 16, 1990. <br />Prior to use of these shares as a replacement source, the Applicant must provide a copy of said letter <br />report to this office for review. Please note that several subsequent change cases involving a change <br />of share in the Last Chance Ditch No. 2 found the per-share historic consumptive use to be <br />significantly lower than the values referenced in the SWSP request. This office reserves the right to <br />require a new historic consumptive use analysis for Aggregate’s shares.