Treatment and Purification

Featured Articles
December 11, 2019
Locals reject social impact assessment report of Luhri II hydropower project
News this week
Sutlej river in Kinnaur, Himachal Pradesh (Image source: Sanyam Bahga, Wikipedia)
December 2, 2019
Water stewardship approach to minimizing risks for businesses
Water stewardship is an approach predicated on the concept that water is a shared resource and so water risks are also shared risks that everyone in a catchment will face
Picture credit: Romit Sen
November 21, 2019
Jaipur’s wastewater conundrum
A report by NIUA brings to light the chinks in Jaipur's sewage system and suggests some solutions.
Routine check done by the sewage treatment plant staff in Delawas, Jaipur. The plant is part of the ADB best practices projects list. (Image: Asian Development Bank, Flickr Commons)
November 18, 2019
BWSSB’s workforce woefully inadequate, says Chairman Tushar Girinath
Bangalore's water utility is understaffed, under financed and unable to service the city's water needs.
Image credit: Citizen Matters
November 13, 2019
NGT pushes to ban RO purifiers for water with TDS below 500 mg/l
Policy matters this week
A domestic RO water purifier
October 10, 2019
Goa fights to protect its khazans; Coonoor cleans its river; Punjab gov scrambles to clean Kali Bein River before Gurupurab
News this week
Aerial view of a Khazan in the Zuari river, Goa.
Physicochemical assessment of water quality with respect to remote sensing and GIS techniques - Paper published in the journal Advances in Pure and Applied Chemistry
This paper published in the journal Advances in Pure and Applied Chemistry, sheds light on the serious problem of the increasing levels of pollution of water bodies in India due to escalating populations, urbanisation and increasing economic activity and highlights the urgent need to conduct effective and efficient water quality assessment measures. The paper highlights the limitations associated with the conventional water quality assessment methods and discusses the recent advances in Remote Sensing (RS) and Geographical Information System (GIS) techniques and their relevance as promising alternatives for effective water quality assessment to the conventional water quality assessment methods.
Rajnee Naithani
Posted on 30 Apr, 2012 12:43 PM

The paper informs that current techniques normally used in the country for monitoring and assessment of the quality of water bodies involve in situ measurement and/or the collection of water samples for subsequent laboratory analysis of the chemical, physical and biological characteristics of water.
Depleting water resources in Thalassery, Kerala: Huge effort is required to address water supply and sewerage handling issues
By chance only I happened to see the IWP, and am very glad and impressed to see the efforts and dedication of the team involved, to help the nation to promote and achieve sustainable use of water. I wish I can also contribute to the portal in whatever way possible to serve this noble initiative, in order to be part spreading awareness and thereby ensuring excess to drinking water to our future generations.
Fazal Maliyakkal
Posted on 22 Apr, 2012 02:57 PM

Author : Fazal Maliyakkal
A framework for rural drinking water quality management, based on experiences from the voluntary sector - A learning document by Arghyam
Arghyam, Bangalore, a non-profit foundation focusing on domestic water and sanitation, has published a document highlighting a water quality management (WQM) framework for rural areas. The framework lays out a phased and process-driven approach to WQM in rural areas and is based on work done by 12 prominent non-governmental organisations (NGOs) who have been working on water quality (WQ), from across the country. Ayan Biswas of Arghyam writes about this.
Arghyam
Ayan Biswas
Posted on 20 Apr, 2012 04:33 PM


The phases that have been identified for a sustainable WQM programme are: 

(1) Assessment of baseline situation

(2) Participatory planning

(3) Water quality monitoring

(4) Implementation
कठपुतली बोलेगी कल की बात
बाड़मेर।भारतीय संस्कृति का प्रतिबिंब लोककलाओं में झलकता है। इन्हीं लोककलाओं में कठपुतली कला भी शामिल है। यह देश की सांस्कृतिक धरोहर होने के साथसाथ प्रचारप्रसार का सशक्त माध्यम भी है, लेकिन आधुनिक सभ्यता के चलते मनोरंजन के नित नए साधन आने से सदियों पुरानी यह कला अब लुप्त होने के कगार पर है।
Ashok Rajpurohit
Posted on 09 Apr, 2012 03:10 PM

Puppets
Government of Rajasthan prepares a working draft of a rural sanitation and hygiene strategy (2012 2022)
The Government of Rajasthan (GoR) has recently come up with a strategy for rural sanitation based on its experience of implementing Total Sanitation Campaign (TSC) in the state. In Rajasthan, TSC was initially launched in four districts in 1999 and scaled up in all the thirty two districts in 2004-05.
IWP
Posted on 04 Apr, 2012 09:46 PM

Although significant progress has been made in terms of individual household toilet coverage in the state, usage by the population is still low at 12.9 per cent (DLHS 2007-08). Access to toilets for schools and angawandies has seen a marked increased but rural solid and liquid waste management has seen little or no attention.
Impending water crisis in India and comparing clean water standards among developing and developed nations - A overview of the issues surounding India's water scarcity
The paper begins with listing the importance of water to communities. It then goes on the describe the water crises in South Asia which are exacerbated by high demand, variable supply, and political volatility. The importance of water in all three pillars of sustainable development economic, social and environmental is noted.
Prashant Mehta
Posted on 03 Apr, 2012 03:09 PM

The two concepts required for analysis of water as regards human consumption are availability and access. Availability refers to the physical presence of adequate water supplies and is influenced by physical and environmental factors.
Thousands of students across India test groundwater for fluoride on March 22, 2012
Schools Water Portal, an initiative of Arghyam, is a collaborative web-based platform, that shares learning resources on water with teachers, students, parents and schools. The Portal is a voluntary initiative coordinated by Arghyam, a non-profit organisation started by Rohini Nilekani that works in water in India.
Chetana
Posted on 21 Mar, 2012 09:17 AM

school water portal 
Quantitative data on water quality: A compilation of papers that present physico-chemical analyses of various water sources in India
This post presents five papers that were recently published on the physico-chemical properties of water. These papers present the water quality data and analyse these figures. Locations in Madhya Pradesh, Maharashtra, Assam and Gujarat are studied. Download the papers by clicking on the titles.
Bhabajit Bhuyan
DD mishra
Debajit Bhuyan
Hemant Pathak
IR Ustad
Kohinoor Arts Commerce and Science College Khuldabad
KR Aher
Krishna Vaidya
Milind Jadhav
Mohini Gadhia
Neelesh Srivastava
PK Mishra
Rafiullah Khan
Sir Sayyed College
SM Deshpande
SN Limaye
Posted on 24 Feb, 2012 08:31 AM

Assessment of physico-chemical quality of groundwater in rural area nearby Sagar city, Madhya Pradesh

This paper presents the results of forty groundwater samples collected from June 2007 to July 2010 in Gambhira and Baheria villages in Madhya Pradesh. The authors conclude that the ground water quality is degraded due to anthropogenic causes.
Prevalence of dental fluorosis and associated risk factors in school children from Kanyakumari district, Tamil Nadu - Paper published in the Indian Journal of Dental Research
This paper published in the Indian Journal of Dental Research describes the findings of a study that aimed at assessing the oral health status of 11-15 year old school children from Kanyakumari district. The survey focused on determining the prevalence and severity of dental fluorosis along with assessing the various risk factors involved. Nearly 12 million of the 85 million tons of fluoride deposits are found in India. It is therefore not surprising that dental fluorosis is endemic in 15 states of India. The highest rates of endemicity have been reported from Andhra Pradesh, Haryana, Karnataka, Punjab and Tamil Nadu.
Ashwath Narayanan
Clement Roger
Jagan Kumar Baskaradoss
Posted on 22 Feb, 2012 01:51 PM

A total of 1800 children  from all the nine blocks of Kanyakumari district from 6th to 10th standard were examined using type III examination. Dental fluorosis was present 15.8% of the study population and varied from as low as 1.4% to as high as 29.4% in different areas. There was a significant difference in dental fluorosis levels between rural and urban residents.
How valuable are environmental health interventions? - Evaluation of water and sanitation programmes in India - Paper published in the Bulletin of the World Health Organisation
This paper published in the Bulletin of the World Health Organisation presents the findings of a valuation study that estimated the economic value of the average “treatment effect” of a community demand driven water and sanitation programme. The study employed a unique combination of propensity-score “pre-matching” and large panel data to estimate the economic impacts of a multi-dimensional environmental health programme.
Christine Poulos
Jui Chen Yangb
Subhrendu K Pattanayak
Sumeet Patil
Posted on 21 Feb, 2012 06:11 PM

The paper informs that a number of epidemiological studies on the benefits of water and sanitation interventions have shown that diarrhoea can be reduced by 30–50%.
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