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)
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:
Basic course on fluorosis and fluoride removal (part 4 of 4)
This multimedia course is meant for awareness-building in a rural context regarding the fluorosis problem.
BAIF Institute of Rural Development Karnataka (BIRD K)
Posted on 19 May, 2009 11:58 AM

The course starts from the basics of what fluoride is, sources of fluoride intake, how fluoride enters water and the symptoms of fluorosis. It explains the ways of solving this problem with a special emphasis on rainwater harvesting as a source of uncontaminated drinking water.
H2S paper strip test for drinking water quality in the Pacific islands - a paper by SOPAC
The paper aims to provide scientific basis, manufacture and use of H2S strip test for drinking water quality of Pacific islands
Donald S Sharp
Luke M. Mosley
Posted on 19 May, 2009 11:49 AM

This paper by SOPAC provides detailed information on scientific basis, manufacture and use of H2S paper strip test for drinking water quality, in the context of Pacific Islands, and gives suggestions on how the test can be uti
Arsenic primer - guidance for UNICEF country offices on the investigation and mitigation of arsenic contamination
The manual provides information on impact of arsenic and steps for its mitigation to help ensure safe water supply in countries with high risk of arsenic contamination
United Nations Children's Fund
Posted on 19 May, 2009 11:42 AM

This manual by the UNICEF contains a synthesis of the knowledge UNICEF and its partners have gained over the last ten years in arsenic mitigation programmes in Asia, including information on the occurrence and effect
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
Felipe Solsona
Juan Pablo Méndez
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
Agency for Toxic Substances and Disease Registry (ATSDR)
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
A B Pal
B. Sharma
B. Sing
C R Chanda
D Chakraborti
G. Samanta
H.A. Ahmed
K.J. Mahanta
S.C. Mukherjee
U. K. Chowdhury
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
Water and Sanitation Department (Maharashtra)
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
Ranjiv S. Khush
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
Ellora Mubashir
Jay Sehgal
Lalit Sharma
Posted on 18 May, 2009 04:06 PM

This paper published by the Sehgal Foundation presents a case
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