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WAB-Bangladesh Country Strategy 2006-2011

Bangladesh has a population of 144 million living in an area of 147,570 square kilometres. The rate of population growth fell from 2.5 to1.6% in the 1997-01 period, although that of the urban population has increased from 6% to 21% between 1961 and 2001. An estimate puts the total population at 181 million by 2025 with 41% living in the urban areas - nearly half of them poor and without services. .

 

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UnionWise Water Technology Mapping

Sanitation, Hygiene and Water Supply Project (GOB-UNICEF) has been approved having broaderperspective of reducing mortality through providing safe water, sanitation facilities and improvedhygiene behavior. Water supply is an important aspect of the project and supplied water should befree from bacteriological and chemical contamination as well.

 

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Rain water : Next option as source of water.

Water is the most essential part for lives on earth. It is also a decisive factor in the growth and development of human life i.e. the development of a nation. When the water resource of a country poses any sort of threat then it is evident that the lives in that country are really in danger. Presently the main sources of water in Bangladesh are surface waters in rivers, canals, reservoirs, lakes and ponds and groundwater in shallow or deep aquifers.

 

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Rainwater Harvesting: Comparison Between Existing Techniques And Its Modification

Gathering rainwater by using roofs, reservoirs and other collectors is called rainwater harvesting.The rainwater harvesting is considered as a possible answer to the global water use problem,especially where surface and groundwater is limited. Also rainwater is soft water, pollution free,iron & Arsenic free. The rooftop rainwater harvesting system seems suitable for Bangladesh, asthe system will be designed only to supply drinking and cooking water.

 

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Feasibility Study of Rainwater Harvesting Techniques in Bangladesh

Rural water supply in Bangladesh was based on groundwater, as it is free from pathogenic microorganisms and available in adequate quantity in shallow aquifers. But in the coastal belt because of high salinity in surface and groundwater, in the hilly areas due to absence of good groundwater aquifers as well as difficulties in tubewell construction in stony layers were the main constraints for the development of a dependable water supply system.

 

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Comparative assessment of four alternative water supply options in arsenic affected areas of Bangladesh

Arsenic contamination in groundwater and its toxic effect on human health is a major public health problem in Bangladesh and it is emphasized in the national level to use alternative water sources for drinking water to mitigate the arsenic problem. To identify reasons of nonfunctioning and in order to develop a comparative information and better understanding of the options, assessment of alternative water supply options in both technical and social aspects are essential.

 

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