Groundwater

Featured Articles
October 17, 2022
Invisible informal groundwater markets
While informal groundwater markets cater significantly to the needs of smallholder farmers in India, they continue to be unacknowledged and understudied.
Groundwater, a finite resource (Image Source: TV Manoj via Wikimedia Commons)
July 5, 2022
Poisoned waters, threatened lives
Studies reveal that children are the most vulnerable to the health risks associated with groundwater contamination due to nitrate and fluoride, highlighting the need for urgent remedial measures.
POisoned waters, dangerous outcomes (Image Source: India Water Portal)
April 26, 2022
Making the invisible, visible
The water stewardship initiative by WOTR that developed a tool to visualise aquifers has not only helped farmers understand groundwater as a shared resource, but also led to a behavioural change among water users and helped implement groundwater laws and policies.
Groundwater, a fast disappearing resource (Image Source: India Water Portal)
February 13, 2022
Poisonous encounters, fatal outcomes!
A study provides new evidence that drinking water contaminated with arsenic can lead to still births, recurrent pregnancy loss and infertility among women.
A well in Rajasthan (Image Source: IWP Flickr photos)
August 29, 2021
Poisoned waters, deadly outcomes!
A study shows that high arsenic contamination of groundwater in Bihar is linked with increase in cancer cases. Districts located near the Himalayan river basins have more people with cancer.
Drinking water in Bihar, linked to cancer (Image Source: IWP Flickr photos)
August 26, 2021
Poisonous encounters: Nitrate contamination of groundwater in Rajasthan
This study from Rajasthan found that anthropogenic factors led to nitrate contamination of groundwater. High nitrate levels in drinking water posed major health risks to children.
A well in Rajasthan (Image Source: IWP Flickr photos)
Augmenting groundwater: The basics on how to construct a recharge well
Recharge wells are one of the best options for augmenting underground water holding. This article explains the site specifications and techniques used in the construction of these wells
rajshekar
Posted on 20 Aug, 2009 05:10 PM

 
Recharge well with gravel and sand bed to filter rainwater. Image courtesy India Water Portal
Hiware Bazar water balance sheet 2007: From scarcity to surplus
The story of how villagers of Hiware Bazaar in Maharashtra turned the water situation around in their villages from 'scarcity to surplus'
Down to Earth
Posted on 20 Aug, 2009 05:03 PM

The work done by the villagers of Hiware Bazaar (Maharashtra) in transforming their village, through soil and water conservation works with Government / Panchayat funds is well known.
Mapping water pollution and groundwater depletion due to industrial activities in India
This map from Down To Earth indicates that most of India's industrial zones are in water stressed regions, hence water prudence on the part of Industries become crucial
Down to Earth
Posted on 20 Aug, 2009 04:28 PM

This map provides the of levels of water pollution and groundwater depletion due to industrial activities in different parts of India. 
Incidence of fluorosis: Map showing states affected by fluorosis in india
Incidence of fluorosis has reached alarming levels in certain pockets of the state while the problem is acute in the states of Andhra Pradesh, Rajasthan and Gujarat
Fluorosis Vimukthi Vedika
Posted on 19 Aug, 2009 12:44 PM

These two maps indicate the percentage of districts affected by fluoride, in each state of the country and also gives data of the range of fluoride concentration in drinking water in each state.
Map: Fluoride in groundwater in Asia
International Groundwater Resources Assessment Centre has mapped available fluoride data for all continents and have come up with this series.
International Groundwater Resources Assessment Centre
Posted on 19 Aug, 2009 12:30 PM

For Asia, this map indicates the probability of occurrence of excessive concentrations of fluoride in groundwater, on a scale of high-medium-low.
Map: International Groundwater Resources Assessment Centre's global overview of salinity in groundwater
This map consists of a description, characterization and geographical delineation (map) of global occurrences of saline groundwater
International Groundwater Resources Assessment Centre
Posted on 19 Aug, 2009 10:20 AM

In India, salinity has three types of genesis - one, by dissolution (areas concentrated in Kutch, North Rajasthan and bordering Punjab, South Rajasthan and bordering areas of Madhya Pradesh and parts of Western Uttar Pradesh; two, by irrigation (areas concentrated in the Deccan Peninsular region of Andhra Pradesh, Karnataka and Tamil Nadu) and parts of Orissa and West Bengal; and three, by late
International Groundwater Resources Assessment Centre's trans boundary aquifers of the world
The transboundary aquifers shows the present state of information regarding the occurrence and extent of TBAs world-wide
International Groundwater Resources Assessment Centre
Posted on 18 Aug, 2009 05:53 PM

Trans-boundary aquifers (TBAs) of the world: This map shows the present state of information regarding the occurrence and extent of TBAs world-wide. The intention of the map is to provide a global overview of these important shared water resources and to encourage their further assessment.

In India, TBAs are located on the India-Pakistan, India-Nepal and India-Bangladesh borders.
Rainwater harvesting basics: All you need to know about recharge pits
A recharge pit allows the rainwater to replenish groundwater by recharging the underground aquifers. It can be built to recharge a borewell or just to help the water infiltration in an area.
rajshekar
Posted on 18 Aug, 2009 04:09 PM

1) Overview:
Map depicting the salinity affected areas in India
This map indicates the extent of salinity affected areas in the coastal states of the country
IRFC
Posted on 18 Aug, 2009 12:52 PM

The map shows that Tamil Nadu, Kerala, Karnataka, Goa, Maharashtra and Gujarat are high salinity zones, and Andhra Pradesh, Orissa and West Bengal are moderate salinity zones.

Click here to view the map - IRFC
Karnataka's water resources: Excerpts from the Karnataka State of the Environment Report
The chapter on water resources in the report deals with the environmental problems linked to water resources pertaining to availability, distribution, management, utilization and sustenance
Karnataka State of the Environment Report - 2003
Posted on 14 Aug, 2009 02:48 PM

It deals with the (a) inequities in sectoral distribution and inadequacy in availability of water (b)  inefficiency in use of water in domestic and agricultural sector (c) depleting ground water resource (d) inadequate treatment of watersheds (e) deteriorating surface and groundwater quality (f) degradation of traditional and community owned tanks and (g) siltation in river basins and command a
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