2025-07-21_REPORT - M1988112

• Permit No: M1988112
• IBM Index Class Name: Report
• Doc Date: 7/21/2025
• Doc Name: Tailings Dam Inspection
• From: Battle Mountain Resources, Inc.
• To: DRMS
• Annual Report Year: 2025
• Report Quarter_Month: 2
• Email Name: LJW
• Email Name: THM
• Media Type: D
• Archive: No

Q2 2025 Tailings Dam Piezometer Readings
Monitoring Well Piezometer Depth Depth to Water Depth of Water
Identification Observation Date (ft) (ft) (P)
P6 4/30/2025 72.46 DRY N/A
P7 4/30/2025 92.50 DRY N/A
P8 4/30/2025 97.51 96.68 0.83
P9 4/30/2025 72.30 71.97 0.33
P10 4/30/2025 58.30 57.48 0.82
Pl l 4/30/2025 41.80 41.4 0.4
P12 4/30/2025 41.71 41.64 0.07
P13 4/30/2025 41.34 41.04 0.3
P14 4/30/2025 41.24 DRY N/A
P15 4/30/2025 41.10 40.46 0.64
Monitoring Well Observation Date Piezometer Depth Depth to Water Depth of Water
Identification (ft) (ft) (ft)
P6 5/29/2025 72.46 DRY N/A
P7 5/29/2025 92.50 DRY N/A
P8 5/29/2025 97.51 96.75 0.76
P9 5/29/2025 72.30 71.98 0.32
P10 5/29/2025 58.30 57.48 0.82
P11 5/29/2025 41.80 41.41 0.39
P12 5/29/2025 41.71 41.65 0.06
P13 5/29/2025 41.34 41.02 0.32
P14 5/29/2025 41.24 DRY N/A
P15 5/29/2025 41.10 40.87 0.23
Monitoring Well Piezometer Depth Depth to Water Depth of Water
Identification Observation Date (ft) (ft) (ft)
P6 6/30/2025 72.46 DRY N/A
P7 6/30/2025 92.50 DRY N/A
P8 6/30/2025 97.51 96.68 0.83
P9 6/30/2025 72.30 71.97 0.33
P10 6/30/2025 58.30 57.49 0.81
P11 6/30/2025 41.80 41.41 0.39
P12 6/30/2025 41.71 41.66 0.05
P13 6/30/2025 41.34 41.04 0.3
P14 6/30/2025 41.24 DRY N/A
P15 6/30/2025 41.10 40.88 0.22