2019-10-28_PERMIT FILE - M2019052

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COLORADO icow Division of Water Resources Department of Natural Resources Response to Reclamation Permit Application Consideration DATE: October 28, 2019 TO: Eric Scott, Environmental Protection Specialist CC: Division 1 Office, District 1 Water Commissioner FROM: loana Comaniciu, P.E. RE: SaturnX Mine, Permit No. M-2019-052 Operator: Colorado Sand Company, LLC Contact: Seth Sanders, Guidon Holdings, LLC, (864) 650-5694 SW1/4 of the SW1/4 of Sec. 12, Twp. 2N, Rng. 64W, 6th P.M., Weld County CONDITIONS FOR APPROVAL ® The proposed operation will consume ground water by: ® evaporation, ® dust control, reclamation, ® water removed in the mined product: Although ground water is not expected to be exposed at the site, the applicant is hereby notified that in the event that ground water is exposed at the site, the applicant will need to obtain either a gravel pit or other type of well permit, as applicable, unless the area is backfilled 2 feet above the ground water table. If the exposed ground water surface area is not backfilled, prior to obtaining a permit, an approved water supply plan or decreed plan for augmentation is required. ® Prior to approving a well permit, the applicant must conduct a field inspection of the site and document the locations of all wells within 600 feet of the permit area. The applicant must then obtain a waiver of objection from all well owners with wells within 600 feet of the permit area or request a hearing before the State Engineer. COMMENTS: The subject application is for a surface mining operation on approximately 206 permitted acres located in Section 12, Township 2 North, Range 64 West of the 61h P.M. The site will comprise 158 acres area to be mined, 48 acres of project operations including roads, material stockpiles and building including the 9.9 acres previously permitted under Keenesburg Project Permit No. M-2019-027. The primary commodity to be mined at the site is sand production. The area to be mined is currently used for agricultural purposes. The applicant has estimated that approximately 226,439 gallons/day or 0.69 acre-feet/day (253 acre- feet/year) will be consumed at the site from evaporation from washed sand, evaporation from clarifying tailing, dust control and evaporation from open water if ground water is exposed at the site. The source of water for these uses will be Laramie-Fox Hills aquifer ground water purchased from the property owner Guttersen Ranches, LLC, either pumped on site from well permit no. 83340-F or pumped and trucked to the site from well permit no. 79782-F. Well permit nos. 79782-F and 83340-F were issued in accordance with CRS 37-90-137(4) and the decree granted by the Division 1 Water Court in Case No. 2015CW3040. The use of ground water from each well is limited to domestic, commercial, industrial, irrigation, livestock watering, fire protection, replacement and augmentation purposes. Each well allows for a pumping rate of 100 GPM and an annual amount to be withdrawn of 160 acre- feet/year. The State Engineer's Office has no objection to Applicant proposal to use Laramie-Fox Hills do of°� 1313 Sherman Street, Room 821, Denver, CO 80203 P 303.866.3581 www.cotorado.gov/water Jared S. Polis, Governor I Dan Gibbs, Executive Director I Kevin G. Rein, State Engineer/Director "-.187g*'