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COLORADO
<br /> Division of Water Resources
<br /> M Department of Natural Resources
<br /> February 24, 2021
<br /> Mr. Jared Dains, PE
<br /> Applegate Group, Inc.
<br /> Sent via email:
<br /> Re: Parkdale Project Substitute Water Supply Plan
<br /> DRMS File No. M-97-054
<br /> Sec. 12, Twp. 18S, Rng. 72W, 6th P.M.
<br /> Water Division 2, Water District 12
<br /> SWSP ID 2654, WDID 1207022
<br /> Approval Period: October 1, 2020 through September 30, 2021
<br /> Contact Information: 303-452-6611; JaredDains@applegategroup.com
<br /> Dear Mr. Dains:
<br /> We have received your August 21, 2020 letter requesting the renewal of a substitute water supply
<br /> plan ("SWSP") pursuant to 537-90-137(11), C.R.S., for a sand, gravel, and granite mine known as
<br /> the Parkdale Project, and operated by Martin Marietta Materials ("Applicant"). The most recent
<br /> SWSP was approved December 3, 2019 for the period October 1, 2019 through September 30, 2020.
<br /> The mine is permitted with the Division of Reclamation, Mining, and Safety under file no. M-97-054.
<br /> The $257 renewal fee has been received and given receipt no. 10005613.
<br /> SWSP OPERATION
<br /> The Parkdale Project is located approximately 12 miles west of Canon City on the north bank of the
<br /> Arkansas River, as shown on the attached Figure 1. The DRMS permit for this mining operation
<br /> allows for production of sand, gravel, and granite. For the term of this SWSP, depletions are
<br /> reported to occur from evaporation from the groundwater exposed as a result of previous sand and
<br /> gravel mining operations, dust control, material washing, and water retained in product hauled off
<br /> site.
<br /> According to the SWSP request, granite is primarily being mined at this time; however, sand and
<br /> gravel operations have not ceased and reclamation of the sand and gravel mine is not complete.
<br /> During the term of this SWSP, mining of granite at this site is expected to occur above the
<br /> groundwater table. Dewatering will not be necessary for granite mining operations; however,
<br /> dewatering at the site will continue in order to reduce the area of exposed water. Mining at the site
<br /> is estimated to continue for approximately 15 years.
<br /> SWSPs approved pursuant to §37-90-137(11), C.R.S. are limited to operations that extract sand
<br /> and gravel by open mining as defined in §34-32.5-103(15), C.R.S. Any renewal of this SWSP
<br /> will be limited to replacing depletions directly resulting from mining of sand and gravel.
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