Contamination, Pollution and Quality

Fluoride is one of the very few chemicals that has been shown to cause significant effects in people through drinking-water. Fluoride has beneficial effects on teeth at low concentrations in drinking-water, but excessive exposure to fluoride in drinking-water, or in combination with exposure to fluoride from other sources, can give rise to a number of adverse effects.

The purpose of this document is to provide information on household water treatment using seeds of the Moringa oleifera tree. Solutions of Moringa seeds for water treatment may be prepared from seed kernels or from the solid residue left over after oil extraction (presscake).

Image and Content Courtesy: SIWW 2009

Singapore International Water Week 2009, themed Sustainable Cities , Infrastructure and Technologies for Water, aims to help achieve long-term benefits. You will find sound professional advice and clear business direction from various market segments to help you overcome tough challenges in uncertain times at SIWW 2009!

The event's flagship programmes comprise: • Water Leaders Summit • Water Convention • Water Expo • Business Forums • Lee Kuan Yew Water Prize Access the Event Schedule online here: Singapore International Water Week 2009 - Schedule Access Advance Event Programme here: Singapore International Water Week 2009 - Advance Programme

This article published in the Journal of Ecobiology describes the technique of phytoremediation, which is increasingly being adopted wherein certain plants are used to adsorb or degrade the pollutants from soil and water.

This article from the Research Journal Of Chemistry And Environment discusses the several

This article published in Current Science presents information on the state of flouride contamination of water in Karnataka. Fluoride is known to contaminate groundwater reserves globally.

Fluoride is a major industrial pollutant, one which has caused widespread damage to fluoride-exposed workers and downwind communities. During the Cold War, fluoride was responsible for more litigation against U.S. industry than all other air pollutants combined.

This site by the Ministry of Water Resources provides details of the groundwater quality scenario and the efforts undertaken to monitor groundwater quality in India.

Know all about arsenic poisoning of groun

This article published in Current Science discusses the nature of arsenic pollutants in the groundwater of Bengal basin.