In the Rastrapathi Bhavan the first Layer of clay and sand extends to depth of 3m, which is followed clay inter mixed with Kankar 8m below ground level. This is followed by layer of sand between 8 to 10m. This is followed by weathered and fractured quartzite, which extends up to 40m bgl. This is followed by partially fractured quartzite, which extends to greater depths.

II.WATER LEVEL

A comparative study of water level map of 1960 and 2002 shows in Rastrapathi Bhavan the water level which was at 5 m bgl has gone down to 10 to 15 mts bgl.

 

III.WATER QUALITY

In Rastrapathi Bhavan fresh water occurs at all depths

IV.RECOMMENDATION FOR AUGMENTATION OF GROUNDWATER

In this area the rainwater can be diverted to the weathered and fractured quartzite formations.