Contamination, Pollution and Quality

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Featured Articles
June 12, 2024
The ripple effect of safe drinking water on health under Jal Jeevan Mission
Leveraging research to optimise water programs for improved health outcomes in India
Closing the tap on disease (Image: Marlon Felippe; CC BY-SA 4.0, Wikimedia Commons)
June 4, 2024
Azolla, a floating fern that drinks oil
Azolla pinnata, a floating water fern provides a unique environmentally friendly approach to mitigate the negative impacts of oil spills and promote cleaner water bodies.
Azolla pinnata, water fern that drinks oils (Image Source: Yercaud-elango via Wikimedia Commons)
May 6, 2024
Floating forward: An entrepreneur's tryst for 'clean-water' bodies
In our quest to spotlight dedicated entrepreneurs in the water sector, we bring you the inspiring story of Priyanshu Kamath, an IIT Bombay alumnus, who pivoted from a lucrative corporate career to tackle one of India's most intricate water quality challenges, that of pollution of its urban water bodies.
Innovative solutions to clean urban water bodies, Floating islands (Photo Credit: Priyanshu Kamath)
April 1, 2024
FAQ - Stubble burning in India: Causes, effects, and solutions
Decoding the problems and solutions related to stubble burning
Burning of rice residues after harvest, to quickly prepare the land for wheat planting, around Sangrur, Punjab (Image: 2011CIAT/NeilPalmer; CC BY-SA 2.0 DEED)
February 20, 2024
Sewage will overtake agriculture as the biggest polluter of river sub basins in India
This study predicts that sewage will become the dominant source of nitrogen pollution in rivers due to urbanisation and insufficient wastewater treatment technologies and infrastructure in worse case scenario projections in countries such as India.
The polluted river Yamuna at Agra (Image Source: India Water Portal)
January 30, 2024
Sustaining water quality in water supply initiatives
The workshop provided inputs into the newly formed committee for “Standard Operation Procedure for Quality Testing of Drinking Water Samples at Sources and Delivery Points”
Sector partners come together to supplement the efforts of the government on water quality and surveillance (Image: Barefoot Photographers of Tilonia)
India’s rivers in trouble due to high fertilizer load and heavy monsoons
This could lead to water quality crisis reinforcing the need for basin-specific management strategies
Eva Sinha
Anna M Michalak
Venkatramani Balaji
Laure Resplandy
Posted on 11 Aug, 2022 10:59 AM

Agricultural intensification in India has increased nitrogen pollution, leading to water quality impairments. The fate of reactive nitrogen applied to the land is largely unknown, however. Long-term records of riverine nitrogen fluxes are nonexistent and drivers of variability remain unexamined, limiting the development of nitrogen management strategies.
Around the world, more than a fifth of nitrogen released by human activity ends up in aquatic ecosystems (Image: Wikimedia Commons)
Willingness to pay for arsenic-safe drinking water
A case study to understand societal embedding of electrochemical arsenic remediation technology in rural West Bengal
Shyamasree Dasgupta
Joyashree Roy
Monalisa Ghosh
Jayanta Talukder
Posted on 22 Jul, 2022 09:35 PM

Lack of access to safe drinking water is a daunting development challenge and a quarter of individuals globally do not have access to safe drinking water in their homes.
Tubewell reported to have arsenic contamination (Image: India Water Portal Flickr)
Poisoned waters of Delhi
This study found a high concentration of trihalomethanes (THMs) in water treatment plants in Delhi that were associated with increased risk of cancer.
Mohd. Aamir Mazhar
Sirajuddin Ahmed
Azhar Husain
Rahisuddin
Posted on 20 Jul, 2022 02:34 PM

Provision of safe drinking water continues to be a challenge in developing countries and microbial contamination of water can lead to a number of waterborne diseases. Studies in India show that access to tap water may not guarantee that it is safe to drink.
What's in your tap water (Image Source: India Water Portal)
Ichamati: River of poetry is dying a slow death
The river is faced with the dual problem of flood plain encroachment and growing levels of water pollution
Akshat Mishra
Posted on 14 Jul, 2022 07:01 PM

River Ichamati is venerated as a living entity and its fertile flood plains have been catering to the expanding human-mediated demands apart from harbouring an enormous assemblage of aquatic flora and fauna.
Illegal transverse check dams (Badhals) built on Ichamati near a village in Basirhat (Image: Prithviraj Nath @ TheWaterChronicles)
Warming waters will lead to gasping rivers in India
Indian rivers are experiencing rising temperatures, which can lower the oxygen carrying capacity of their waters and spell doom for living organisms, small and large living in the waters.
M. Rajesh
S. Rehana
Posted on 08 Jul, 2022 03:33 PM

River water temperature, dissolved oxygen and river health, the linkages

River Water Temperature (RWT), and Dissolved Oxygen (DO) are crucial indicators of the water quality of rivers and determine the health of the river and its ecosystem.
The Karamana river in Thiruvanathapuram, Kerala (Image Source: India Water Portal)
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.
Aarti Kelkar Khambete
Posted on 05 Jul, 2022 11:58 PM

Non carcinogenic health effects of groundwater contamination are equally challenging as the carcinogenic risks.
POisoned waters, dangerous outcomes (Image Source: India Water Portal)
Extreme events take 231 lives during pre-monsoon: IMD
News this fortnight
Swati Bansal
Posted on 28 Jun, 2022 02:34 PM

IMD seasonal analysis shows 231 lives lost during the pre-monsoon season due to extreme weather events
Floods during pre-monsoon season claim 81 lives this year. Photo for representation only (Image source: IWP Flickr photos)
Poisoned wetlands, toxic fish
Heavy metal pollution is poisoning the East Kolkata wetlands, affecting fish and posing a threat to the health of humans who depend on this fish for their food. Urgent action is needed!
Joystu Dutta
Sufia Zaman
Tarun Kumar Thakur
Sandeep Kaushik
Abhijit Mitra
Poonam Singh
Ravinder Kumar
Ali Tan Kee Zuan
Mohammad Shahzad Samdani
Sulaiman Ali Alharbi
Rahul Datta
Posted on 27 Jun, 2022 12:23 PM

The East Kolkata Wetlands, often referred to as the ‘Kidneys of East Kolkata’, are located on the eastern periphery of Kolkata Metropolitan area and cover 12,500 hectares of area.
Fishermen use wastewater in Kolkata to rear fish (Image Source: India Water Portal)
Certified Water Quality Management course by INREM Foundation
Posted on 26 Jun, 2022 05:59 PM

About the course:

This course on Water Quality Management (WQM) is being organized by INREM Foundation along with Water Quality Network. The course is aimed at equipping participants towards the Jal Jeevan Mission (JJM) programme of Govt of India. The course is executed in English and Hindi languages.
Improving India's poor environmental performance
Environmental Performance Index ranks India at the bottom
Gurinder Kaur
Posted on 23 Jun, 2022 08:37 AM

On June 8, Yale University's Center for Environmental Law and Policy and Columbia University's Center for International Earth Science Information Network released a report of the Environmental Performance Index 2022. India ranked lowest among the 180 countries considered, lagging behind Myanmar at 179, Vietnam (178), Bangladesh (177) and Pakistan (176).
As per the EPI 2022 deteriorating air quality and rapidly increasing greenhouse gas emissions are the primary reasons behind the country's low score (Image: Rawpixel)
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