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J. E. STOVER & ASSOCIATES, INC. <br /> 2352 NORTH 7TR STREET,UNIT B <br /> GRAND JUNCTION,COLORADO 81501 <br /> PHONE: (970)245-4101,FAX: (970)242-7908 <br /> MINE ENGINEERING CIVIL ENGINEERING <br /> MINE RECLAMATION CONST. MANAGEMENT <br /> January 28, 2016 <br /> Clayton Wein <br /> Division of Reclamation, Mining and Safety <br /> 1313 Sherman St., Room 215 <br /> Denver, CO 80203 <br /> Re: C. B. Minerals Company, LLC <br /> Coal Ridge No. 1 Mine <br /> 2015 Annual Hydrologic Report <br /> Permit C-1984-065 <br /> Dear Mr. Wein: <br /> Please accept this letter as the 2015 Annual Hydrologic Report for the Coal Ridge No. 1 <br /> Mine. This report is for the 2015 calendar year. <br /> The Coal Ridge No. 1 Mine was reclaimed in two phases, with the majority occurring during <br /> 1994, and the remainder in 2015. Until the mine was reclaimed, eight wells were <br /> monitored (LO-1, OW-3L, OW-7, OW-8, OW-12, OW-13, OW-14 & OW-15). The <br /> groundwater monitoring wells were reclaimed late in 1994 and early in 1995. No <br /> groundwater monitoring was performed or required during 2015 (reference table 4.6-1 <br /> page 4-85). <br /> The sediment pond was reclaimed during 2015. <br /> A new discharge permit (C00048972), was issued in 2015 and is for the straw wattles <br /> associated with the 2015 reclamation. Terms of the permit include; <br /> T Two comprehensive stormwater inspections per year (spring and fall) <br /> T At least one of the two inspections must be during a runoff event or within 24 hours <br /> of a measurable storm event or during snowmelt when a measurable discharge <br /> occurs from the facility. <br /> 1 For the remaining two quarters (summer and winter) conduct corrective actions <br /> across the facility for deficiencies represented by each DRMS inspection finding in <br /> one of the monthly (or as appropriate, quarterly) SMCRA inspections. <br /> The monitoring program no longer includes the requirements of Colorado Discharge Permit <br />