From the hydrogeology point of view, rock formations are categorized conveniently as unconsolidated (loose), consolidated (hard) and semi-consolidated. Recent and older alluviums are unconsolidated sedimentary formations, usually as alternate beds of sand and clay (or shale) with varying thickness and proportion. The sand formation is a natural carrier of water; the coarser the grain size [...] Read more
Groundwater moves through porous rock formations, similar to water flowing through a sponge with interconnected pores. In nature, no space remains empty. Therefore, the pore space within the underground rock formations, no matter how small, remains filled either with air or water (sometimes oil and gas in deeper formations). Given a continuous supply, water enters [...] Read more
Common methods of treating drinking water to remove/reduce the TDS and other harmful ions like Iron, Arsenic and Fluoride are Membrane separation Oxidation-flocculation-filtration Use absorbents such as activated alumina, activated carbon, chemical resins, etc. Any of the above techniques are used either exclusively or in combination, depending on the proposed usage and the size of [...] Read more
We all are groundwater users. Farmers use it for irrigation, industries for production and a vast majority of the population use it for drinking and domestic purposes. Although a renewable resource, Groundwater is limited in its occurrence in time and space. The mindless pursuit for extracting more and more groundwater by all the users has [...] Read more
The future of the groundwater scenario in our country, in general, appears to be very bleak. There is no doubt that the water table in most parts of our country will continue to fall at the present level of groundwater extraction. The blanket moratorium under the Environmental Protection Act (1997) on the construction of new [...] Read more