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Well done! Techies tap groundwater by Praduman Choubey


Nature serves well even when rivers run dry.

Students of Government Polytechnic-Nirsa who recently unearthed four artesian wells in a rocky stretch of Dhanbad, will surely vouch for the natural source of water that promises succour as another arid summer looms.

The nine final-year civil engineering (diploma) students, under the guidance of senior lecturer of the institute Suresh Prasad Yadav, spotted the four wells in Baliapur block of the district — one at Rangatand near Sindri police outpost and three at Chandkuian, Paharpur and near Bhuiphore temple.

An aquifer, which is a layer of soil or rock that absorbs and holds water, is the source of an artesian well. The natural wells, which are mere openings, become outlets for the underground water to rise to the surface as pressure builds up between layers of rock.

After surveying the parched terrain of the district as part of their final-year project, the polytechnic students are now working on making a documentary to spread awareness on artesian wells and water conservation.

Speaking to The Telegraph, Yadav said the well at Paharpur “is the richest, as around 200 litres of water flows from it per minute”.

The cradle has already fitted pipes to channel the water from the Paharpur well, with plans afoot to install a tap.

“Though residents at Paharpur had earlier tried to install taps to check wastage of water, they did not succeed. We will use our resources to tap the natural source of water as soon as possible,” Yadav said, adding that they were yet to measure the flow in the other wells.

The team has prepared geological images of the outlets using advanced imaging techniques. Normally, permeable rocks such as sandstone or limestone stock water.

“During our month-long survey, which began in February, we were surprised to locate four artesian wells in Dhanbad,” Yadav said.

He explained: “It is highly uncharacteristic for a metamorphic or rocky terrain as in Dhanbad. We explored the geological details, which suggested that the city is located on the boundary of the coalfields of Jharia in the west and Raniganj in the east. The coalfield areas have sedimentary rocks, which are more likely to feed artesian wells.”

Yadav reckoned that geological disturbances in the adjoining coalfields might have created cracks within the metamorphic surfaces that linked to the wells.

The senior lecturer claimed that the artesian wells could bail out a significant population in the district, which is mainly dependent on the Damodar river for its water needs. “The water table is receding at a rapid pace in urban areas and sources are limited,” he pointed out.

He cautioned that there were limited reserves of water, which would continue to flow out of the wells only until the aquifers did not dry up.

“We have made people aware about the fact and also asked them not to allow water flowing from the wells to go waste,” he added.

Amit Kumar, a team member, said: “It is a unique experience for us, as we are witnessing practical possibilities that can benefit the society, which we otherwise only find in our textbooks.”

The group of final-year students also includes Chandan, Sanjeev, Bishnu, Vijay, Praveen, Yamuna, Manish and Krity.

The 10-minute documentary will also be an in-house production, with the team working on the script already.

“We will try to release the documentary on World Environment Day on June 5 so that students can spread the message of water conservation,” said Yadav.

Have you seen an artesian well in your neighbourhood?