NS 2023 Annual Report For EPA

• IBM Index Class Name: Hydrology
• Doc Date: 8/28/2025
• Archive: No

Natural Soda LLC 2023 Project Status Report & Annual Plan of Development
iii January 2024
5.1.3. Potentiometric Surface Maps (Confidential) ........................................ 27
5.1.4. Stream Gauging Stations .................................................................... 27
5.2. Injection Well Mechanical Integrity (MIT) ................................................. 31
5.2.1. MIT Introduction ................................................................................... 31
5.2.2. Mechanical Integrity, Part 1 Pressure Testing and Part 2 Temperature
Logging ................................................................................................ 31
6.0 Land Disturbance and Reclamation .............................................................. 32
6.1. Summary of 2023 Disturbance ................................................................ 32
6.2. Regulatory Compliance............................................................................ 33
6.2.1. Regulatory Activity ............................................................................... 33
6.3. Reclamation Activity................................................................................. 33
6.3.1. Regrading & Scarification .................................................................... 33
6.3.2. Seeding & Weed Control ..................................................................... 33
6.3.3. Reclamation Fencing ........................................................................... 33
6.3.4. Precipitation ......................................................................................... 33
6.3.5. Vegetation Monitoring Results ............................................................. 34
6.4. Deer Roadkill Study ................................................................................. 35
6.5. Raptor Survey .......................................................................................... 35
6.6. Other Observations .................................................................................. 35
6.7. Waste Disposal ........................................................................................ 35

List of Figures:
Figure 1: Natural Soda LLC Vicinity Map ........................................................................ 2
Figure 2: NS Sodium Leases Map................................................................................... 3
Figure 3: NS Plant and Well Location Map, Section 26 Detail. ........................................ 4
Figure 4: NS Plant and Well Location Map, Expanded View ........................................... 5
Figure 5: General Flow Process .................................................................................... 15
Figure 6: NS 2023 Pregnant Assays and Production (Confidential) .............................. 22
Figure 7: NS 2023 Production (Confidential) ................................................................. 22
Figure 8: Water Year 2022 Stream Flow (cfs) Vs. Snow Pack (Water Eqv (Inch)) ........ 30
Figure 9: Water Year 2023 Stream Flow (cfs) Vs. Snow Pack (Water Eqv (Inch)) ........ 30