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John W. Hickenlooper <br />Governor <br /> <br />Robert Randall <br />Executive Director <br /> <br />Dick Wolfe, P.E. <br />Director/State Engineer <br /> <br /> <br /> <br />Office of the State Engineer <br />1313 Sherman Street, Room 821, Denver, CO 80203 P 303.866.3581 <br />www.water.state.co.us <br /> <br /> <br />May 30, 2017 <br /> <br />Ms. Michelle Cunico Johnson, P.E. <br />Martin and Wood Water Consultants, Inc <br />538 Commons Drive <br />Golden, Colorado 80401 <br /> <br />Re: 25th Avenue Pit Substitute Water Supply Plan, WDID 0303330 (Amendment) <br />25th Avenue Pit, DRMS No. M-2002-020, WDID 0303040, SWSP ID 3667 <br />Section 36, T6N, R66W, 6th P.M. <br />Water Division 1, Water District 3, Weld County <br /> SWSP Plan ID: 3667 <br /> <br />Approval Period: June 1, 2017 through May 31, 2019 <br /> Contact Phone Number for Ms. Johnson: 303-526-2600 <br /> Contact Email Address for Ms. Johnson: mjohnson@martinandwood.com <br /> <br />Dear Ms. Johnson: <br />Your letters dated February 10, 2017 and April 14, 2017, submitted on behalf of the City of Greeley <br />(“Applicant” or “Greeley”), requesting an amendment to the above mentioned Substitute Water <br />Supply Plan (“SWSP”), have been reviewed. The amendment seeks to add 138 shares in the Boyd <br />and Freeman Ditch Company as an additional source of replacement supply to the SWSP approved <br />on May 13, 2016 for the period of June 1, 2016 through May 31, 2018. This SWSP also seeks to <br />update the depletions associated with the mining operation and extend the plan until May 31, 2019. <br />Therefore the SWSP approved on May 13, 2016 is superseded by this SWSP amendment. This SWSP <br />amendment is requested in accordance with § 34-90-137(11), C.R.S. The required fee of $257 has <br />been received (receipt # 3678370). <br />Plan Operation and Background <br />The current SWSP replaces out-of-priority depletions resulting from mining operations at Flatiron <br />Pits 3, 4, 5, and C, as shown in the attached Figure 1. Flatiron Pits 1-5 and C were created by <br />mining operations under Division of Reclamation, Mining, and Safety (“DRMS”) permit no. M-1977- <br />081 for the Greeley West Pit (WDID 0303020). DRMS permit no. M-2002-020 (25th Ave Site) <br />separated out 89.16 acres, containing Flatiron Pits 1 and 2 from permit no. M-1977-081. Flatiron <br />Pits 1 and 2 have been combined into a single lake (aka Poudre Ponds or NW Pond) with a slurry <br />wall liner approved by the State Engineer as meeting the performance standard for liners, allowing <br />the use of the lake as a reservoir for water storage by the City of Greeley. An amendment to M- <br />2002-020 approved in September 2012 incorporated 197.51 acres of the Greeley West site, <br />containing Flatiron Pits 3, 4, 5, and C, into the 25th Ave Site. The pits are mined by Bestway <br />Concrete and Aggregate. <br />Greeley obtained a plan for augmentation decreed in Division 1 Water Court case no. 1999CW231 to <br />cover evaporative losses from the Flatiron Pits. The decree, signed on November 22, 2010, in part