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50 <br /> Envirotactics <br /> An Earth Systems Company <br /> TABLE OF CONTENTS <br /> 1.0 INTRODUCTION.................................................................................................................................................1 <br /> 2.0 PROPOSED COMMUNITY WELL PUMP TESTS ............................................................................................. 2 <br /> 2.1 2024-09-11 Pump Test..........................................................................................................................2 <br /> 2.2 2025-07-16 Pump Test..........................................................................................................................4 <br /> 2.3 2024 and 2025 Pump Test Conclusions............................................................................................7 <br /> 3.0 WATER LEVEL MONITORING........................................................................................................................... 8 <br /> 4.0 CONCEPTUAL MODEL OF GROUNDWATER FLOW......................................................................................11 <br /> 4.1 Physiography.........................................................................................................................................11 <br /> 4.2 Geology...................................................................................................................................................11 <br /> 4.3 Hydrogeologic Framework.................................................................................................................. 13 <br /> 4.3.1 Hydrostratigraphy................................................................................................................... 13 <br /> 4.3.2 Groundwater Supply Wells.................................................................................................... 13 <br /> 4.3.3 Observed Water Levels.......................................................................................................... 13 <br /> 4.3.4 Hydraulic Properties............................................................................................................... 13 <br /> 4.4 Well Depth and Separation Considerations ...................................................................................14 <br /> 5.0 GROUNDWATER MODELING..........................................................................................................................15 <br /> 5.1 Distance Drawdown Analysis............................................................................................................16 <br /> 5.2 Reverse Distance Drawdown Analysis.............................................................................................16 <br /> 5.3 Time Drawdown Analysis.....................................................................................................................17 <br /> 5.4 Reverse Time Drawdown Analysis....................................................................................................18 <br /> 5.5 Simple Finite Difference Model..........................................................................................................19 <br /> 6.0 CONCLUSIONS AND LIMITATIONS...............................................................................................................20 <br /> ATTACHMENT 1 -FIGURES <br /> Figure 1 -Site Location <br /> Figure 2- USGS Map <br /> Figure 3 -Tax Map <br /> Figure 4 - Land Use Map <br /> Figure 5 -Well Location Map <br /> ATTACHMENT 2- HYDROGEOLOGIC DESKTOP STUDY <br /> ATTACHMENT 3-AQTESOLV RESULTS <br />