*A farm overlies a sandstone aquifer. In map area, the farm is 1 mile square with sides oriented N-S and E-W. The aquifer underneath it is 65 ft (19.8 m) thick in the vertical direction, and has an average hori- zontal hydraulic conductivity of Ky = Ky= 25 ft/day (7.6 m/day) and an effective porosity ne = 0.16. Layers above and below the sandstone have much lower K. Flow in the aquifer is horizontal, and the magnitude of the average hydraulic gradient in the area is |ah/əx| = 0.006. Groundwater Aow is about due east

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Groundwater Flow

The term groundwater refers to the water which is found beneath the earth's surface. Pores present in the soil and rocks with fractures make a passage for rainwater to enter the earth's surface and deposit as groundwater. The flow nature and direction of groundwater under the earth's surface directly impacts the strength and compressibility of the soil, which reflects its ability to support structural loads.