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2022-12-12_HYDROLOGY - M1988112
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2022-12-12_HYDROLOGY - M1988112
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Last modified
12/13/2022 8:30:06 PM
Creation date
12/13/2022 7:59:45 AM
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Template:
DRMS Permit Index
Permit No
M1988112
IBM Index Class Name
Hydrology
Doc Date
12/12/2022
Doc Name
Water Level Monitoring
From
Battle Mountain Resources, Inc
To
DRMS
Annual Report Year
2022
Report Quarter_Month
Nov
Email Name
LJW
THM
Media Type
D
Archive
No
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Table 2-Monthly Piezometer Elevations <br /> Monitoring Well Piezometer Depth Depth to Water Depth of Water <br /> Identification Observation Date 11 ft ft <br /> P6 11/30/2022 72.46 DRY N/A <br /> P7 11/30/2022 92.50 DRY N/A <br /> P8 11/30/2022 97.51 96.68 0.83 <br /> P9 11/30/2022 72.30 71.94 0.36 <br /> 1310 11/30/2022 58.30 57.47 0.83 <br /> I'll 11/30/2022 41.80 41.40 0.40 <br /> P12 11/30/2022 41.71 41.64 0.07 <br /> P13 11/30/2022 41.34 40.99 0.35 <br /> P 14 1 11/30/2022 41.24 DRY N/A <br /> P15 1 11/30/2022 1 41.10 40.85 0.25 <br /> The leak detection system at the LTF Collection Pond was inspected November 28, 2022 and 860 gallons <br /> were evacuated from the leak detection system and pumped to the LTF. The LTF underdrain system was <br /> visually inspected November 30, 2022 and the flow rate was measured to be approximately 32.0 gallons <br /> per minute(gpm). <br /> West Pit Waste Water Treatment Plant <br /> During the month of November 2022, the West Pit Waste Water Treatment Plant(WWTP) was operated <br /> intermittently (3 to 4 days per week) under Colorado Department of Public Health and Environment <br /> (CDPHE) CDPS Permit No. C00045675 for discharge into the Rito Seco alluvial aquifer. During the <br /> month, 8,848,800 gallons (27.2 acre-feet) of treated water was discharged to the Rito Seco and 400,900 <br /> gallons (1.23 acre-feet) of water was transferred from the West Pit to the Lined Tailing Facility (LTF). <br /> Additionally,no water was reinfiltrated into the West Pit in November. <br /> BMRl performed the monthly visual seepage expression inspections on November 30,2022 in the historic <br /> seepage area identified in Figure 2 of the permit. No seepage expressions were observed in the historic <br /> seepage area. <br /> BMRI measured the monthly West Pit backfill, alluvial and monitoring wells as required under in the <br /> QA/QC Plan. Measurements obtained for the monthly wells are shown in Table 3. <br /> Table 3-Monthly and Quarterly Groundwater Depth to Water <br /> Monitoring Well Identification Observation Date Depth to Water <br /> ft <br /> BF4 11/30/2022 24.83 <br /> BF-511 11/30/2022 30.79 <br /> BF-6 11/30/2022 30.84 <br /> M-6 11/30/2022 DRY <br /> M-7 11/30/2022 DRY <br /> M-8 11/30/2022 DRY <br /> M-9 11/30/2022 141.24 <br /> M-1 0 11/30/2022 24.20 <br /> M-11R 11/30/2022 38.87 <br /> M-12 11/30/2022 174.39 <br /> M-13R 11/30/2022 125.62 <br /> M-14 11/30/2022 130.45 <br /> M-16 11/30/2022 21.32 <br /> M-17 11/30/2022 28.73 <br />
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