2013-06-24_HYDROLOGY - M1984094 - Laserfiche WebLink

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DEPARTMENT OF NATURAL RESOURCES DIVISION OF WATER RESOURCES June 19, 2013 RECEIVED Ben Langenfeld JUN 2 4 2013 k1-6-reg Lewicki and Associates, PLLC 11541 Warrington Court DIVISION OF RECLAMATION Parker, CO 80138 MINING AND SAFETY RE: Gloria Z Pit Substitute Supply Plan (WDID 2302535) Gloria Z Pit, DRMS M• 984 -094 (WDID 2307037) Sections 29 and 32, T9S, R77W, 6th P.M. Water Division 1, Water District 23, Park County tqk John W. Hickenlooper Governor Mike King Executive Director Dick Wolfe, P.E. Director /State Engineer Approval Period: June 19, 2013 through October 31, 2013 (October 31, 2014, if extended per condition #1) Contact Phone Number for Mr. Langenfeld: 303 - 346 -5196 Dear Mr. Langenfeld: We have reviewed your letters of November 2012, February 2013 and April 2013 requesting approval of the above referenced substitute water supply plan ( "SWSP ") for an existing sand and gravel operation. The required fee of $1593.00 for this SWSP has been submitted (receipt no. 3659277). SWSP Operations This plan seeks to replace depletions resulting from mining operations at the Gloria Z Pit. The Gloria Z Pit is a combined gold placer and sand and gravel operation which is operated by Golden Cross Aggregates, Inc. Depletions from the mining operation result from evaporation, water lost in the mined product, and dust suppression. The mine is located in Park County in portions of Sections 29 and 32, Township 9 South, Range 77 West. The replacement water that will be used to replace the depletions from mining operations is 6 acre -feet of water leased from the Headwater Authority of the South Platte ( "HASP "). The site will be wet mined such that the processed gravel will be removed from below the ground water table. Once removed, the gravel will be sorted by a grizzly screen and all material larger than 4 inches will be placed in a temporary stockpile and all material smaller than 4 inches in size will continue into a hopper which feeds a trommel. The trommel is a steel cylinder 4 feet in diameter and 16 feet in length that has round holes % inch diameter. In the trommel water is used to wash and break up the material. All material finer than % inch falls through the holes and ends up in a sluice box and all material greater than % inch is sent to a separate temporary stockpile. At the bottom of the metal sluice is a carpet that collects the denser gold as it passes across the sluice. The material that washes over the sluice will collect in the Plant Settling Pond. As the material builds up in the various locations it will be loaded into trucks and used to backfill the mine pit. For purposes of the gold mining operation, the Applicant has a right to 2.0 cfs of the Platte City Ditch (WDID 2300764). The water right was originally decreed in Park County District Court Case no. CA1636 ( "Decree "), for 16 cfs, with an appropriation date of December A,6ffice of the State Engineer 1313 Sherman Street, Suite 818 • Denver, CO 80203 • Phone: 303 - 866 -3581 • Fax: 303 - 866 -3589 www.watenstate.co.us