Hello JAgdeesh,
Under ground water monitoring is based on kind of pressures transducer calls piezometer. There are many techniques are used to fabricate piezometers, that diversity allow you to select which piezometer can fit your application.
The standpipe piezometer is the most basic of piezometer types. It consists of a filter tip joined to a riser pipe. Water flows from the surrounding soil into the standpipe. Readings are obtained with a water level indicator.
Regards
Ashwini S
