Contamination, Pollution and Quality

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May 6, 2024 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 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 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 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)
July 26, 2023 While pit lakes are formed as discards of open pit mining operations, they store huge amounts of water and support the drinking and daily water needs of communities living around them. Sustainable plans to improve water quality and biodiversity in the pit lakes are crucial.
Pit lakes can provide a great source of water. Image for representation only (Image Source: Aniket Rajendra Ingole via Wikimedia Commons)
Water disinfection - a manual by World Health Organisation (2003)
The manual provides extensive information on various water disinfection methods like solar disinfection, chlorine, ultraviolet radiation, slow filtration, ozone, chlorine dioxide, minifiltration Posted on 19 May, 2009 11:34 AM

This manual by the Pan American Center for Sanitary Engineering and Environmental Sciences (CEPIS/PAHO), under the aegis of the World Health Organisation (WHO), provides extensive information on various m

Nitrate/nitrite toxicity - case studies in environmental medicine by agency for toxic substances and disease registry (ATSDR)
The case study discusses the problem of nitrate/nitrite toxicity and helps in promotion of medical practices that aid in evaluation and care of potentially exposed patients Posted on 19 May, 2009 11:07 AM

This manual is a self-instructional publication of the Agency for Toxic Substances and Disease Registry (ATSDR), as part of its case studies in environmental medicine series. 

Crippling fluorosis in Assam - a study from Jadhavpur University in Current Science
An estimated 62 million people in India in 17 out of 32 states are affected with dental, skeletal / or non-skeletal fluorosis Posted on 18 May, 2009 04:57 PM

This document published in Current Science includes a study from Jadhavpur University on the incidence of flourosis in Assam. The first case of endemic fluorosis in humans from India was reported by Short et al. from Prakasam district of Andhra Pradesh in 1937. In 1950 only our states in India - Andhra Pradesh, Tamil Nadu, Punjab and Uttar Pradesh were identified with people suffering from fluorosis.

Villages in Maharashtra adopts best practices for groundwater and water quality improvement
The documents describe best practices like source protection, rainfall measurement, storage of quality water and small measures taken to protect water Posted on 18 May, 2009 04:36 PM

The two documents describe five case studies that highlight some successes and best practices from the Water Supply and Sanitation Department, Government of Maharashtra.

Improving health through clean water innovations- a presentation by Aquaya Institute, Indonesia
New technologies and approaches for water treatment to improve health and increase economic opportunity Posted on 18 May, 2009 04:29 PM

Some new technologies and approaches for improving health through clean water - the work of the Aquaya Institute.
View Slideshow (0.8MB) Part 1 | Part 2

Integrated and sustainable rural water management for improving water quality in Mewat, Haryana
The paper touches on key elements of sustainability pertaining to rural water management, but with greater focus on improving technical sustainability of the infrastructure, through innovations Posted on 18 May, 2009 04:06 PM

This paper published by the Sehgal Foundation presents a case

Stakeholders come together to halt pollution in Khari river, Ahmedabad - a paper in Economic and Political Weekly (2006)
The paper describes the efforts made to reduce pollution in river Khari, Gujarat, contaminated due to discharge of industrial effluents Posted on 18 May, 2009 03:55 PM

This paper published in the Economic and Political Weekly describes the case of river Khari in Gujarat, which faced increasing amount of pollution due to the discharge of industrial effluents in the river and the efforts made  to solve the pollution problem.

The phenomenon of pollution started in the 1970s when Naroda, Odhav, Vatva and Narol on the eastern periphery of Ahmedabad city were promoted by the government. While there were zones for industries according to the type of waste generated, environmental considerations were overlooked and no provision was made for the safe disposal of industrial effluents. Most of the factories in the industrial estates were water intensive and all of them discharged effluents into the nearby Kharicut canal, which flows into the Khari river, a tributary of the Sabarmati. As the canal remained dry throughout the year, the government ignored its (mis)use.

Legislations on environment, forests, and wildlife by Ministry of Environment and Forests
Ministry of Environment and Forests provides legislations on water pollution, air pollution, environmental protection, animal welfare, wildlife, forest conservation, biodiversity, etc. Posted on 18 May, 2009 11:09 AM

This site by the Ministry of Environment and Forests provides the list of legislations on environment, forests, and wildlife

Policies and Legislative Framework for wastewater management (1974-1986)
The article gives a brief account for the acts that were passed to protect water and environment from the year 1974 to 1986 Posted on 18 May, 2009 11:04 AM

Legislation on waste/pollution control took into account not only the generators of waste but also the receiving environments. Limits were laid down in terms of standards for effluent or emission. Depending on the type of waste generator, there were specified limits for volume of waste and  characteristics of waste.

Study of Tirupur textile industry cluster - effluent load, disposal practices and possible options
The study collects data on effluent load, studies current treatment and disposal practices and reviews the available technology options adopted for reduction of pollution Posted on 16 May, 2009 02:55 PM

The objectives of the case study by TIDE supported by Arghyam on the Tirupur textile industry cluster included:

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