2014-08-12_HYDROLOGY - M1988112 - Laserfiche WebLink

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M 112- BATTLE MOUNTAIN RESOURCES, INC. August 07, 2014 Mr. Wally Erickson State of Colorado Division of Reclamation, Mining and Safety 1313 Sherman Street, Room 215 Denver, CO 80203 Re: Battle Mountain Resources Inc. San Luis Project MLRB PermitNo.M -88 -112 July 2014 Monthly Report Dear Mr. Erickson: The following summarizes monitoring and site activities at the Battle Mountain Resources Inc. (BMRI), San Luis Project for the month of July, 2014. Surface and ground water monitoring and analysis were completed for all required sites during the month per the terms and conditions of the TR -32 Quality Assurance and Quality Control (QA/QC) plan. Vacuum on the tailing lysimeters was verified on July 30`h, no water was present for sampling and subsequent analysis. Depths to water were collected for the tailing impoundment main embankment piezometers and the West Pit monitoring wells in July 30t`. July tailing impoundment piezometer measurements identified these installations were either dry or contained less than 12 inches of water as illustrated in Table 2. Tables 1 and 2 below identify the depth to water measurements collected for each of the site monitoring wells, piezometers and lysimeters as required by the terms and conditions of the TR -32 QA/QC plan. The leak detection system was measured on July 28h. A total of 880 gallons of water was excavated from the leak detection system yielding a monthly average of 31.4 gpad. The tailings pond under -drain measured 39 gpm. During the month of July, the West Pit water treatment plant operated efficiently discharging a total of 7,436,800 gallons (22.82 acre -feet) of water to Rito Seco Creek and a total of 2,241,300 gallons (6.88 acre -feet) of water was transferred from the West Pit to the tailings impoundment. Seepage along Rito Seco Creek remained dry during the month. P.O. Box 310 • San Luis, Colorado 81152 -0310 • (719) 379 -0798 • Fax (719) 379 -0713