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Tuesday, September 2, 2025
TopicGroundwater

Topic: groundwater

Groundwater, not glacier melts, is what primarily keeps the Ganga flowing in summer—IIT-Roorkee study

Findings will go a long way in understanding patterns of other rivers & helping policymakers find more effective ways to rejuvenate them, says IIT-Roorkee head.

Central & state surveys throw up same, grim result—Bengaluru groundwater depleting at dangerous pace

Groundwater Directorate's 10-yr data as well as CGWB's yearly findings confirm how borewells, unchecked urbanisation have led to water levels steadily falling in India's IT capital.

India’s groundwater recharge went up in last 7 yrs, but 5 states extracting over 100% of their share

A report published by the Central Ground Water Board shows the differing rates of groundwater extraction and recharge across states in India. 

What is an artesian well & how it might have caused water ‘eruption’ in Jaisalmer desert

Rajasthan govt officials say water sometimes gushes out from an 'artesian well' in deserts, where water remains confined and encased within a geological sandstone layer.

MIT engineers develop solar-powered system to make salty groundwater drinkable, without using batteries

Desalination has become important as groundwater is getting saltier. An electrodialysis system created by the scientists earlier this year needed costly batteries to adjust to sunlight.

How Punjab farmers sacrificed high income for a big cause—they gave up Pusa-44 this year

Punjab CM Bhagwant Mann thanked farmers for accepting the ban and staying away from the water-guzzling paddy variety Pusa-44. But convincing them about the larger public good is a work-in-progress.

Puddles can be valuable wildlife havens. The mini-ponds keep predators and competitors at bay

When rain fills a track in the dried mud, fairy shrimp eggs hatch almost immediately. The shrimps grow quickly to lay a new generation of eggs before their puddle dries.

This US company is brewing beer out of recycled wastewater

2,000 gallons of recycled greywater from the Fifteen Fifty luxury apartment building in San Francisco was converted into beer.

Parliament panel report flags dip in groundwater levels in Delhi, Ghaziabad, Faridabad & 20 other cities

Increasing population, urbanisation and concretisation cited as reasons for depletion in cities. Delhi, Jaipur & Hyderabad among cities severely affected by water contamination.

Toxic Delhi is turning into a City of Lakes. Jal Board has just created 14 new ones

There is a bigger goal behind Delhi’s City of Lakes project. It will make the city self-sufficient in its drinking water needs.

On Camera

China will be more central to India now. Though an anti-US unity is premature

Even with the option of EU markets, China will have to be a significant part of India’s economic policy. But the difficult security relationship is an important complication.

A Rs 33,000 cr ‘banking fraud’: ED’s case against Arvind Dham, Amtek’s web of ‘500 shell companies’

ED has accused Amtek promoter Arvind Dham of controlling web of nearly 500 shell companies operating as a layered structure, with up to 15 levels of indirect ownership, to divert funds.

‘Real-time, all-climate’ explosives detector could enhance airport & border security—no dogs, no swabs

Bengaluru-based CeNS designs accurate, portable, and cheap sensor using surface-enhanced Raman spectroscopy. It could significantly reduce risks at vulnerable choke points. 

For Indian Mercedes, Asim Munir’s dumper truck in mirror is closer than it appears

From Munir’s point of view, a few bumps here and there is par for the course. He isn’t going to drive his dumper truck to its doom. He wants to use it as a weapon.