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<br />DEPARTMENT OF NATURAL RESOURCES
<br />DIVISION OF WATER RESOURCES
<br />July 8, 2014
<br />Ms. Michelle Cunico Johnson, P.E.
<br />Martin and Wood Water Consultants, Inc
<br />538 Commons Drive
<br />Golden, Colorado 80401
<br />Re: 25th Ave - ubstitute Water Supply Plan, WDID 0303330
<br />25th Ave Pit, DRMS No. M- 2002 -020, WDID 0303040
<br />Section 36, T6N, R66W, 6th P.M.
<br />Water Division 1, Water District 3, Weld County
<br />Approval Period: June 1, 2014 through May 31, 2016
<br />Contact Phone Number for Ms. Johnson: 303 - 526 -2600
<br />Dear Ms. Johnson:
<br />John W. Hickenlooper
<br />Governor
<br />Mike King
<br />Executive Director
<br />Dick Wolfe, P.E.
<br />Director /State Engineer
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<br />'Jut 0 8 2014
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<br />We have reviewed your letter dated May 30, 2014 requesting renewal of the above referenced
<br />substitute water supply plan ( "SWSP ") on behalf of the City of Greeley ( "Greeley "). This SWSP is
<br />requested in accordance with S 37 -90- 137(11), C.R.S. to cover depletions at an existing gravel mining
<br />operation known as the 25th Avenue Pit. The required fee of $257.00 for the renewal of this SWSP has
<br />been submitted (receipt no. 3665183). The original supply plan was approved September 30, 2002
<br />and the plan was most recently renewed on July 20, 2012 and amended on October 3, 2012.
<br />Plan Operation and Background
<br />This SWSP will replace 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 mining
<br />operations under Division of Reclamation, Mining, and Safety ( "DRMS ") permit no. M- 1977 -081 for the
<br />Greeley West Pit (WDID 0303020). DRMS permit no. M- 2002 -020 (25th Ave Site) separated out 89.16
<br />acres, containing Flatiron Pits 1 and 2 from permit no. M- 1977 -081. Flatiron Pits 1 and 2 have been
<br />combined into a single lake (aka Poudre Ponds or NW Pond) with a slurry wall liner approved by the
<br />State Engineer as meeting the performance standard for liners, allowing the use of the lake as a
<br />reservoir for water storage by the City of Greeley. An amendment to M- 2002 -020 approved in
<br />September 2012 incorporated 197.51 acres of the Greeley West site, containing Flatiron Pits 3, 4, 5,
<br />and C, into the 25th Ave Site. The pits will be mined by Bestway Concrete and Aggregate.
<br />The City of Greeley obtained a plan for augmentation decreed in Division 1 Water Court case
<br />no. 199 CW231 to cover evaporative losses from the Flatiron Pits. The decree, signed on November
<br />22, 2010, in part covers evaporation for up to 100 acres of exposed water surface at "Flatiron Gravel
<br />Pit Nos. 3, 4, and 5 and adjoining pits ". Greeley will replace evaporative depletions associated with
<br />Flatiron Pits 3, 4, 5, and C under the plan for augmentation decreed in case no. 1999CW231.
<br />Note: Pursuant to 5 37- 90- 137(11)(b), C.R.S. and 2009CW49, a gravel pit operator or property
<br />owner does not need to replace depletions that occur due to evaporation from ground water exposed
<br />prior to January 1, 1981 as a result of open mining of sand and gravel ( "pre -81 areas "), regardless of
<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
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