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Groundwater Monitoring Well Construction Workplan <br /> February 2024 <br /> Table of Contents <br /> Introduction 3 <br /> Site Locations 4 <br /> Background 6 <br /> Geologic Setting 7 <br /> Alluvial Fan Deposits 7 <br /> Modesto Formation 7 <br /> Tulare Formation 7 <br /> Non-Water or Non-Freshwater Bearing Formations 8 <br /> Groundwater Levels 12 <br /> Upper Aquifer 12 <br /> Lower Aquifer 12 <br /> Groundwater Flow Directions 13 <br /> Vertical Gradient 16 <br /> Monitoring Well Design Justification 17 <br /> Drilling, Well Construction, and Monitoring 21 <br /> Permitting 21 <br /> Drilling and Logging 21 <br /> Monitoring Well Construction 21 <br /> Well Development 22 <br /> Groundwater Quality Sampling 23 <br /> Surveying 23 <br /> Monitoring Well Completion Report 24 <br /> Figures <br /> Figure 1: MW-201 Monitoring Well Location..........................................................................4 <br /> Figure 2: MW-202 Monitoring Well Location..........................................................................5 <br /> Figure3 Surface Geology..........................................................................................................9 <br /> Figure 4 Corcoran Clay Extent and Thickness........................................................................10 <br /> Figure 5 Base of Fresh Water..................................................................................................11 <br /> Figure 6: Upper Aquifer Spring 2022......................................................................................14 <br /> Figure 7: Lower Aquifer Spring 2022 .....................................................................................15 <br /> Figure 8: Vertical Gradients Between Upper and Lower Aquifers .........................................16 <br /> GEI Consultants, Inc. i <br />