**2. Study area**

The study area taken is in Gosaba location that is a block at Jayanagar in South 24 Parganas of West Bengal, India with an area of 297.6 Km<sup>2</sup> . It is located in the proximity of the Bay of Bengal. The lithological character of South 24 Parganas is such that it is made up of Entisols, Alfisols, and Aridisols. Horizontal hydraulic conductivity

*Analysis of Rainwater Harvesting Method for Supply of Potable Water: A Case Study of Gosaba… DOI: http://dx.doi.org/10.5772/intechopen.106537*

of this type of soil is more than vertical permeability and for that reason; it is more susceptible to seawater intrusion. The study area is represented by **Figure 1**.
