2012-12-12_HYDROLOGY - M1983176 - Laserfiche WebLink

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Mr. Rob Laird Asphalt Specialties Co. 10100 Dallas St. Henderson, CO 80640 DEPARTMENT OF NATURAL RESOURCES OF WATER RESOURCES December 12, 2012 Re: Speer Mining Resources Substitute ater Supply Speer Mining Pit, DRMS Permit o. Section 34, T1S, R67W, 6 P.M. Water Division 1, Water District 2, Adams County Period of Approval: November 1, 2012 — October 31, 2013 (or October 31, 2014 subject to condition #1) Contact Phone Number for Mr. Laird: 303 - 289 -8555 Office of the State Engineer 1313 Sherman Street, Suite 818 • Denver, CO 80203 • Phone: 303 - 866 -3581 • Fax: 303 - 866 -3589 www.water.state.co.us John W. Hickenlooper Governor Mike King Executive Director Dick Wolfe, P.E. Rtret { `leer "DEC 12 20 Division of Reclanattor Mining & Safety PIan (WDID 0202629) 203059) Dear Mr. Laird: We have reviewed your letter of September 26, 2012, and the revisions from Mr. Peter Wayland of Weiland, Inc. dated October 17, 2012 requesting renewal of the substitute water supply plan ( "SWSP ") for Asphalt Specialties Co., Inc. ( "Applicant ") to cover depletions caused by an existing gravel mining operation at the Speer Mining Resources Pit in accordance with § 37- 90- 137(11), C.R.S. The required fee of $257 for the renewal of this SWSP has been received (receipt no. 3657233). The previous SWSP had an expiration date of December 31, 2012. As of November 1, 2012 the City of Aurora is making releases for the plan based on the WY 2013 renewed lease and thus this plan and thus this SWSP renews and supersedes the previous SWSP. Plan Operation The site is no longer being mined for sand and gravel and final reclamation, consisting backfilling the pit to eliminate exposed groundwater at the site is underway. Dewatering at the site has ceased. Until the site is completely backfilled or a liner is in place and lagged depletions have ceased, a substitute water supply plan is needed to replace depletions resulting from the exposure of ground water to the atmosphere and operational losses. In accordance with the letter dated April 30, 2010 from the Colorado Division of Reclamation, Mining, and Safety ( "DRMS "), all sand and gravel mining operators must comply with the requirements of the Colorado Reclamation Act and the Mineral Rules and Regulations for the protection of water resources. The April 30, 2010 letter from DRMS required that you provide information to DRMS to demonstrate you can replace long term injurious stream depletions that result from mining related exposure of ground water. The DRMS letter identified four approaches to satisfy this requirement. In accordance with approach nos. 1 and 3, a bond has been obtained for $678,169 that can cover the cost of lining or backfilling the Speer Mining Resources Pit to prevent the exposure of ground water.