Contamination, Pollution and Quality

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Featured Articles
September 5, 2024
India's sewage future
The current state of play regarding sewage treatment standards in India
Clogged pipes: India's sewage treatment crisis (Image: Trey Ratcliff, Flickr Commons; CC BY-NC-SA 2.0)
September 2, 2024
NGT’s uniform standards: A controversial approach to sewage management
Recommendations made by an expert committee, the NGT's subsequent orders, and a critical analysis of these developments
Drum screens at Bharwara sewage treatment plant (Image: India Water Portal)
August 30, 2024
India’s efforts at water pollution control: Legislative frameworks and real-world impacts
This article traces the evolution of the legislative framework for water pollution in India and its implications for wastewater treatment standards in the country. 
Open drains in Alwar (Image Source: IWP Flickr photos)
August 22, 2024
From pollution to solutions
The journey of sewage treatment standards and the challenge of treating India’s growing wastewater
Need to fix wastewater effluent standards (Image: Kristian Bjornard)
August 1, 2024
Weed wars: The hidden costs of herbicide use in rice
Recognising the limitations of relying solely on herbicides, a strategic shift towards preventive measures is crucial
Relying solely on chemicals to keep weeds at bay isn't sustainable and can harm the environment. (Image: Needpix)
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)
Study indicates no uranium in Kerala’s drinking water
MG University conducted the analyses of water sources across the state
C S Shalumon
K S Sanu
John Richard Thomas
Usha K Aravind
Sujata Radhakrishnan
S K Sahoo
C T Aravindakumar
Posted on 21 Aug, 2021 11:42 AM

The serious health effects connected with the presence of uranium, a naturally occurring radioactive element in drinking water sources from different parts of the world and more recently in some parts of India (
Drinking water sources can be contaminated with uranium to an extent by certain anthropogenic activities (Image: Pxfuel)
World Bank to provide $250 million to ensure dam safety in India
Policy matters this fortnight
Swati Bansal
Posted on 10 Aug, 2021 07:04 AM

World Bank will provide $250 million for dam safety in India
Malampuzha dam in Kerala (Image source: IWP Flickr Photos)
Biodiversity - crucial for survival of freshwater ecosystems!
Detritivores, scavenger organisms inhabiting freshwater bodies such as streams are crucial for the survival of water bodies. However, anthropogenic changes are killing them!
Luz Boyero et al
Posted on 04 Aug, 2021 04:47 PM

Rivers, lakes, ponds and streams – natural freshwater ecosystems are a precious resource because of the rich biodiversity they support and the valuable ecosystem services they provide.
View of a s stream in Kerala (Image Source: Firos AK via Wikimedia Commons)
New projects for revival of six polluted stretches in Uttarakhand under Namami Gange
Policy matters this fortnight
Swati Bansal
Posted on 27 Jul, 2021 05:56 PM

NMCG approves new projects for the revival of six polluted stretches in Uttarakhand
A river stretch in Uttarakhand (Source: IWP Flickr Photos)
Online Water Quality Management Course
This online 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) program.
Posted on 26 Jul, 2021 04:58 PM WQM
Ganga, a sink of microplastics
A study by Toxics Link reveals that Ganga is heavily polluted by microplastics, the highest concentration being at Varanasi.
Toxics Link
Posted on 25 Jul, 2021 01:28 PM

A new study by the Delhi-based environment NGO Toxics Link reveals the presence of microplastics in all samples collected from the river at Haridwar, Kanpur and Varanasi.
Cleaning efforts on the Ganga has so far focussed on focussed on creating sewage treatment capacities in the major urban centres along the river. (Image: Richard IJzermans, Flickr Commons, CC BY-NC-SA 2.0)
Atmanirbhar Krishi App launched to equip farmers with weather insights
Policy matters this fortnight
Swati Bansal
Posted on 13 Jul, 2021 11:10 AM

Atmanirbhar Krishi App launched to make weather insights handy for farmers
Agricultural activities in semi-arid region of Tamil Nadu (Source: IWP Flickr Photos))
Urban waterbodies, treasure troves of biodiversity
A study on the Mula-Mutha river stretches in Pune reveals rich biodiversity with presence of a large number of freshwater invertebrate species, including a few reports to the region! Will preserving biodiversity help save the river?
Kirti Amritkar-Wani
Sameer Padhye
Posted on 25 Jun, 2021 12:32 PM

Rivers, lakes, ponds and streams – natural freshwater ecosystems are a precious resource, not only because freshwater is limited, but also because of the rich biodiversity they support and the valuable ecosystem services they provide.
Mula-Ram river confluence stretch at Aundh-Baner link road, Pune (Image Source: Jeevitnadi)
East Kolkata Wetlands – fast turning death traps for aquatic ecosystems?
Freshwater ecosystems in India are known to harbour rich biodiversity, but their health is being increasingly challenged in recent years. And the East Kolkata Wetlands are no exception!
Biswajit Bera
Sumana Bhattacharjee
Pravat Kumar Shit
Nairita Sengupta
Soumik Saha
Posted on 24 Jun, 2021 10:43 AM

While freshwater ecosystems in India are known to harbour rich biodiversity, their health is being increasingly challenged in recent years. And the East Kolkata Wetlands, one of the important Ramsar sites in India, and the largest wastewater fed aquaculture systems in the world that provide fish and support paddy and vegetable cultivation, are no exception.
Fishermen use wastewater from Kolkata to rear fish (Image Source: India Water Portal)
Toxic chemicals: A barrier to safe drinking water
Nonylphenol and its ethoxylates in drinking water: A health challenge
Toxics Link
Posted on 22 Jun, 2021 04:22 PM

A drinking water quality, testing, monitoring and surveillance framework was released by the Ministry of Jal Shakti in March 2021 as a part of the government’s flagship Nal se Jal scheme.
Water treatment facilities are incapable of removing many chemical compounds and need to be upgraded (Image: PxHere)
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