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)
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. Bhardwaj
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
A presentation on surface water quality parameters
The presentation discusses important parameters of surface water quality and their role in ecosystem
Matrine Vernooij
Posted on 19 May, 2009 12:06 PM

An interesting presentation explaining the main parameters of water quality from surface sources.

The contents include:
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