Bangladesh is most severely affection by arsenic pollution of its groundwater. But it is a worldwide problem, with impacts in the West Bengal part of India and parts of Taiwan, Thailand, Vietnam, Myanmar, Cambodia, China, Argentina and Chile.
The severity of arsenic contamination is demanding extensive research in this field. Many studies have been carried out in Bangladesh, in West Bengal, India and other countries as well, but the situation is still out of sound control. The present study is an overview of groundwater arsenic contamination in Bangladesh. This study highlights the
Contamination of drinking water with arsenic is a significant global health problem, affecting an estimated 150 million people worldwide, with as many as 70 million of those people living in rural Bangladesh.
The effects of Arsenic poisoning are gruesome, and take effect after many years of drinking arsenic contaminated water. There are an estimated 70 million people currently at risk for arsenic poisoning in the the Bangladesh area, resulting in a major health crisis and need for clean water.
Arsenic contamination in Bangladesh groundwater 237 contain arsenic above 0.05mg l–1.Das et al.(1994a) reported that the majority of the samples of ground water extracted from several thousand tube wells along the river Ganges in West
Arsenic Contamination of Groundwater in Bangladesh-Scale of the Problem The problem was first identified in Bangladesh in 1993 in the far west of the country (adjacent to West Bengal in India), after reports of contamination in India in 1988.
A series of downloadable data files are available. These data are included in the full Phase 2 report, but are presented here in CSV format.. DPHE/BGS National Hydrochemical Survey 850 KB CSV The results of the survey of 3534 boreholes from 61 of the 64 districts of Bangladesh.
The serious arsenic contamination of groundwater in Bangladesh has come out recently as the biggest natural calamity in the world. The people in 59 out of 64 districts comprising 126,134 km2 of Bangladesh are suffering due to the arsenic contamination in drinking water.
Groundwater Arsenic Contamination in Bangladesh. Nadiah Mohd Nordin Erica Islas. Arsenic Contamination in Bangladesh. By the late 1980s surface water was the main source of drinking water. Unfortunately, it was severely polluted Slideshow 1352919 by samira. Toggle navigation.
After over two decades since it was first identified, arsenic contaminated water in Bangladesh kills 43,000 every year. Solutions are being implemented, slowly. Arsenic contaminated water in Bangladesh causes thousands of deaths every year
Dec 20, 2012· Considering the serious arsenic contamination in Bangladesh groundwater and the fact there is scarce literature providing an overview on the recent arsenic contamination status and feasible treatment technologies, this paper then aims to review comprehensively the recent arsenic As contamination status, its sources and reasons for mobilization ...
Mar 17, 2011· It is estimated that nearly 80 million people of the country are affected by arsenic and one in ten has the probability of developing cancer from the poisoning.3. In Bangladesh, arsenic contamination in groundwater was first detected in the year 1993.
Arsenic is not just a Bangladesh problem — it can be found in drinking water supplies around the world. Maine, Massachusetts, Texas, and half a dozen other states have all had arsenic contamination problems, says Joseph Graziano, a professor of environmental health sciences and pharmacology at Columbia University.
The groundwater arsenic contamination has emerged in recent years as a further burden for this country. The magnitude of arsenic contamination in Bangladesh surpasses the aggregate pollution of all the twenty countries of the world where groundwater arsenic contamination has been detected. Until today, the arsenic
The magnitude of groundwater arsenic contamination in Bangladesh was realized only after the international conference on arsenic in Dhaka, Bangladesh held in February 1998. This conference was jointly organized by the SOES and the DCH.
arsenic-contaminated water on crop production and food safety in Asia. The focus is on Bangladesh, where most studies on arsenic contaminated irrigation water have been carried out. It is also the country with the most serious arsenic contamination crisis …
The simplest explanation is that arsenic contamination is naturally caused by water running through arsenic rich sentiments, as is the case in Bangladesh for the most part. However, it is also used in fertilizer, and is a byproduct of copper smelting, mining and coal burning.
Thus, technologies that avoid arsenic contamination, rather than remove arsenic, are more cost-effective in the long term. 33. Conclusion. In Bangladesh, ongoing exposure to arsenic in drinking water calls for renewed and sustained mitigation efforts.
Arsenic in Groundwater Arsenic Pollution. Estimated Population at Risk: 750,000. Description Arsenic is a semi-metallic element – although it is generally referred to as a heavy metal – that occurs naturally in the earth's crust and has no discernible taste or odor.
The Bangladesh Rural Water Supply and Sanitation Project, to which the World Bank has committed $43 million since 2012, aims to increase a safe water supply and hygienic sanitation in the rural areas of Bangladesh, where shallow aquifers are highly contaminated by arsenic and other pollutants.
Arsenic contamination of groundwater is a form of groundwater pollution which is often due to naturally occurring high concentrations of arsenic in deeper levels of groundwater. It is a high-profile problem due to the use of deep tubewells for water supply in the Ganges Delta, causing serious arsenic poisoning to large numbers of people. A 2007 ...