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COLORADO
<br /> Jce� -.ka Division of Water Resources
<br /> W Department of Natural Resources
<br /> March 24, 2022
<br /> Andy Rodriguez, P.E
<br /> Civil Resources, LLC
<br /> 8308 Colorado Blvd Suite 200
<br /> Firestone, CO 80504
<br /> Re: Inouye Pit, Substitute Water Supply Plan (WDID 0202668)
<br /> DRMS File No. M-2018-037 (WDID 0210533)
<br /> Part of the SW 1/4 Sec. 31, T2N, R66W Et part of the SE 1/4 Sec. 36, T2N, R67W, 6th P.M.
<br /> Water Division 1, Water District 2, Weld County
<br /> Plan ID: 6100
<br /> Approval Period: April 1, 2022 through March 31, 2023
<br /> Contact Information for Andy Rodriguez: 303-833-1416 x202 and andy@civilresources.com
<br /> Dear Andy Rodriguez:
<br /> This letter is in response to your January 27, 2022 renewal request for a substitute water supply plan
<br /> ("SWSP") for a sand and gravel pit operated by BURNCO Colorado, LLC ("BURNCO" or "Applicant") in
<br /> accordance with section 37-90-137(11), C.R.S., for the Inouye Gravel Pit, Division of Reclamation Mining
<br /> and Safety ("DRMS") File No. M-2018-037. The required fee of $257.00 for an SWSP renewal has been
<br /> submitted (receipt no. 10018551). The Applicant shall be responsible for compliance with this SWSP, but
<br /> the State Engineer's Office ("SEO") may also pursue the landowner for eventual compliance.
<br /> SWSP Operations
<br /> The Inouye Pit is located near the northwest edge of Fort Lupton in the N'h of the SW'/4 of Section 31,
<br /> Township 2 North, Range 66 West, 61h P.M. and the E'h of the SE 1/4, Section 36, Township 2 North, Range
<br /> 67 West, 61h P.M. This SWSP renewal seeks to replace depletions resulting from the mining operation
<br /> following the first two years of operation, including evaporation from exposed groundwater, dust
<br /> suppression, past dewatering, water lost with the mined product, and water used for slurry construction.
<br /> Though the slurry wall is anticipated to be constructed in 2022, the Applicant conservatively anticipates
<br /> that approval of the liner may not be completed during the SWSP period. Approximately 750,000 tons are
<br /> to be excavated from the pit each year. The proposed reclamation of the site is a lined reservoir through
<br /> the construction of a slurry wall around the mining area. The proposed replacement of depletions for this
<br /> site during the period of this SWSP will be leased water from the Central Colorado Water Conservancy
<br /> District ("CCWCD").
<br /> In accordance with the letter dated April 30, 2010 (copy attached) from the Colorado Division of
<br /> Reclamation, Mining, and Safety ("DRMS"), all sand and gravel mining operators must comply with the
<br /> requirements of the Colorado Reclamation Act and the Mineral Rules and Regulations for the protection
<br /> of water resources. The April 30, 2010 letter from DRMS requires that you provide information to
<br /> DRMS to demonstrate you can replace long term injurious stream depletions that result from mining
<br /> related exposure of groundwater. The DRMS letter identifies four approaches to satisfy this
<br /> requirement.
<br /> In accordance with approach nos. 1 and 3, you have indicated that a bond has been obtained for
<br /> $3,082,695.00 through the DRMS for lining of this site to assure that depletions from groundwater
<br /> 1313 Sherman Street, Room 821, Denver, CO 80203 P 303.866.3581 www.colorado.gov/water ye �
<br /> Jared S. Polis, Governor I Dan Gibbs, Executive Director I Kevin G. Rein, State Engineer/Director I
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