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�t2, '• <br />COLORADO <br />Division of Water Resources <br />Department of Natural Resources <br />1313 Sherman Street, Room 821 <br />Denver, CO 80203 <br />RECEIVED <br />JUN u 4 2015 <br />`ro f DIVISION OF RECLAMATION, <br />MINING AND SAFETY <br />Response to Reclamation Permit Amendment Application Consideration <br />DATE: June 2, 2015 <br />TO: Michael A. Cunningham, Environmental Protection Specialist <br />CC: Division 1 Office, District 4 Water Commissioner <br />FROM: Sarah Brucker, P.E. e0 <br />RE: Brownwood Pit, File No. M-1979-059-AM03 <br />Applicant/ Operator: Coulson Excavating Company, Inc. <br />Contact: Peter Wayland, Weiland, Inc., (303) 443-9521 <br />Sections 19 Et 20, Twp 5 North, Rng 68 West, 6th P.M., Larimer County <br />CONDITIONS FOR APPROVAL <br />❑ The proposed operation does not anticipate exposing groundwater. Therefore, exposure of ground <br />water must not occur during or after mining operations. <br />® The proposed operation will consume ground water by: ® evaporation, ❑ dust control, <br />❑ reclamation, ❑ water removed in the mined product, ❑ processing, ❑ other: <br />❑ The applicant has indicated plans to use other water at the permit site for the following purposes: <br />❑ dust control, ❑ reclamation, ❑ processing, ❑ other: <br />COMMENTS: The Brownwood Pit is a surface mining operation on a total of 148.7 permitted acres located 3/ <br />mile southeast of the City of Loveland. The application seeks an amendment to change the post -mining land <br />use to developed water resources and update the reclamation plan to include a residential structure and clay - <br />lined ponds. <br />The Brownwood Substitute Water Supply Plan (WDID 0402546) covers depletions due to evaporation from up to <br />12.8 acres of exposed ground water at the site and lagged depletions due to past mining operations. The SWSP <br />is currently valid through October 31, 2015. The southeast cell has been lined and was approved as a lined <br />reservoir (WDID 0403398) by the State Engineers Office through a letter dated October 4, 2012. The site must <br />continue to be included in a valid substitute water supply plan or court -approved augmentation plan until such <br />time as there are no longer any ongoing depletions (i.e. the remaining unlined ground water pond has been <br />backfilled or lined) and all lagged depletions have been replaced to the satisfaction of the State Engineer, <br />Division Engineer, and water commissioner. <br />Any storm water runoff intercepted by this operation that is not diverted or captured in priority must infiltrate <br />into the ground or be released to the stream system within 72 hours. Otherwise, the operator will be required <br />to make replacements for evaporation. <br />This office has no objection to the proposed amendment. The applicant may contact the State Engineer's <br />Office with any questions. <br />1313 Sherman Street, Room 821, Denver, CO 80203 P 303.866.3581 F 303.866.3585 www. water. state. Co. us <br />