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)
Water contamination due to arsenic and nitrates and their health implications - research studies
Nitrate can cause severe health implications like cancer and it contaminates water by mixing with fertiliser run-off and sewage
Alexander van Geen
Benard T Nolan
Deana M Manassaram
Deborah M Moll
Faruque Parvez
Gabriel Gulis
Geoffrey R. Howe
Habibul Ahsan
James VanDerslice
Jean Brender
Joseph H Graziano
Lorraine C. Backer
Lydia B. Zablotska
Mary H. Ward
Patrick Levallois
Theo M. deKok
Yu Chen
Posted on 20 May, 2009 11:10 AM

Water contamination due to arsenic
Piped dreams: quality of drinking water supplied to Indian homes (Nov 2003)
Contamination of water, a matter of serious concern, is poorly studied in India and the remedies are even less understood making the existing water supply system inefficient
Lalitha Sridhar
Posted on 20 May, 2009 10:36 AM

"Piped dreams". is a report by Lalitha Sridhar, written in November 2003, that examines the issue of quality of drinking water supplied to Indian homes today, and concludes that water quality must become a very serious concern for our public agencies, in order to solve the impending water crisis.
Towards a more effective operational response - arsenic contamination of groundwater in south and east asian countries: a policy report by World Bank
The policy report states that arsenic mitigation needs to be integrated with broader water supply sector policies and approaches rather than treating it as an isolated issue
World Bank (WB)
Posted on 20 May, 2009 10:16 AM

This policy report on arsenic contamination of groundwater resources by the World Bank presents the findings of a study undertaken by the World Bank in 2005, t
Arsenic levels in Delhi's groundwater studied using hydride generator accessory coupled with atomic absorption spectrophotometer
The paper concludes that arsenic contamination in Delhi soils could be the result of dumping chemical rich garbage into open landfills
Sanjeev Lalwani
T.D. Dogra
D N Bharadwaj
R.K. Sharma
O.P. Murty
Aarti Vij
Posted on 19 May, 2009 04:13 PM

This is a paper from the Indian Journal of Clinical Biochemistry. In this paper hydride generator accessory coupled with atomic absorption spectrophotometer was used to study the arsenic levels in the groundwaters of Delhi. The arsenic levels in the groundwater samples range from 0.0170 to 0.100 ppm.
The emerging challenge of groundwater pollution and contamination in India
The article provides information on incidence of fluoride, salinity, arsenic and nitrate above permissible levels in groundwater in India
Dr Tushaar Shah
M. Dinesh Kumar
Posted on 19 May, 2009 02:55 PM

This article published on the International Water Management Institute (IWMI) site begins by highlighting the crucial role that groundwater plays as a decentralized source of drinking water for millions rural and urban families in India accounting for  nearly

Basic course on fluorosis and fluoride removal (part 3 of 4)
This part describes fluoride removal, various method and equipments used for fluoride removal, community solutions and long term measures adopted for fluoride removal
India Water Portal
Posted on 19 May, 2009 01:58 PM

What is fluoride removal? 
Basic course on fluorosis and fluoride removal (part 2 of 4)
This part describes fluoride, its entry in water, permissible limit in drinking water, geographical location of fluoride in the world and India and identifies some other water contaminants
India Water Portal
Posted on 19 May, 2009 01:45 PM

What is flouride?

Fluoride is one of the chemical compounds that are present in the water and soil. These fluorides are organic and inorganic compounds containing the element fluorine.
Basic course on fluorosis and fluoride removal (part 1 of 4)
This part provides information about fluorosis, its harmful effects, types and source of fluorosis
India Water Portal
Posted on 19 May, 2009 12:58 PM

What is fluorosis?

Fluorosis is a pathological condition which results from an excessive intake of fluorine, usually from drinking water. There is no medical cure or treatment for fluorosis. Prevention is the only cure.
Arsenic contamination in groundwater- an article by wikipedia
The article provides information on arsenic contamination of groundwater, contamination specific nations and water purification solutions
Wikipedia
Posted on 19 May, 2009 12:23 PM

This article on wikipedia provides the details of the phenomenon of arsenic contamination of groundwater and provides information on the following lines:

A basic and advanced course on water quality management
Through this course you will learn about basics of water quality management and drinking water standards
Shiv Shankar Ranganathan
Posted on 19 May, 2009 12:13 PM

Basic course on water quality management
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