A 50 dm diameter well gives a discharge of 0.05 m³/sec. Two observations well were made at a distance of 3 m having drawdown 3 m and at a distance of 9 m having drawdown of 1 m. Bottom of the well is 10 m below the ground water level. Find the coefficient of permeablity of the medium.

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Principles of Seepage

In hydrology, when water flows down in a pore or crack of unsaturated soil due to gravity, the deep layer of soil is called seepage. It is the slow movement of water in the soil layer. Seepage is mainly found near hydraulic structures and is responsible for the stability of earthen-type hydraulic structures.