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TRI -STATE GENERATION AND TRANSMISSION ASSOCIATION, INC. <br />HEADQUARTERS: P.O. BOX 33695 DENVER, COLORADO 80233 -0695 303 - 452 -6111 <br />December 19, 2014 <br />Mr. Brock Bowles <br />RECEIVED <br />Division of Reclamation, Mining and Safety <br />Coal Program Support Staff <br />1313 Sherman Street, RM 215 <br />DEC 2 4 2014 <br />Denver, Colorado 80203 <br />DIVISION OF RECLAMATION <br />RE: Annual Hydrology Report <br />MININGAND SAFETY <br />Western Fuels — Colorado, New Horizon North Mine <br />DRMS Mine Permit #C- 2010 -089 <br />Dear Mr. Bowles: <br />Enclosed is a copy of the Annual Hydrology Report for the 2014 Water Year (October 2013 — <br />September 2014) for the Western Fuels — Colorado, A Limited Liability Company (Western Fuels — <br />Colorado) New Horizon North Mine. Tri -State Generation and Transmission Association, Inc. (Tri - State) <br />is the parent to Western Fuels — Colorado. During the 2014 Water Year, the mine did not discharge <br />through Outfalls 001, 002, and 003. Outfalls 002 and 003, and the associated ponds, have not been <br />constructed to date. <br />All NPDES outfalls, surface water, and groundwater wells have monitoring requirements <br />identified by the Division of Reclamation, Mining and Safety. The Colorado Discharge Permit System <br />(CDPS) also has specific monitoring requirements and effluent limits for the NPDES outfalls. The <br />required monitoring is outlined in the Approved Hydrological Monitoring Program enclosed. <br />If you have any questions about the enclosed report, please contact Chantell Johnson at 303 -254- <br />3185, cjohnsongtristategt.org. <br />Sincerely, <br />r � f/l � W v✓ 7 <br />Barbara A. Walz <br />Senior Vice President <br />Policy and Compliance <br />Chief Compliance Officer <br />BAW:CJ:pvt <br />Enclosure <br />cc: DRMS, Denver, Colorado <br />Frank Ferris, WFC -New Horizon Mine (via email) <br />Chantell Johnson (via email) <br />AN EQUAL OPPORTUNITY /AFFIRMATIVE ACTION EMPLOYER CRAIG STATION ESCALANTE STATION NUCLA STATION <br />P.O. BOX 1307 P.O. BOX 577 P.O. BOX 698 <br />A Touchstone Energy' Cooperative CRAIG, CO 81626 -1307 PREWITT, NM 87045 NUCLA, CO 81424 -0698 <br />�� 970 - 824 -4411 505 - 972 -5200 970 - 864 -7316 <br />