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Discrepancies between National and International Data on Improved Drinking Water and Sanitation : Bangladesh Experience

1.Introduction : . Among the Eight Millennium Development Goals (MDG) Goal -7 is Ensuring Environmental Sustainability". This goal has two targets of which target no-2 (Target 10 of MDG Targets) is to halve by 2015 the proportion of people without sustainable access to safe drinking water and sa

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Discrepancies between National and International Data on Improved Drinking Water and Sanitation : Bangladesh Experience

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    1. Discrepancies between National and International Data on Improved Drinking Water and Sanitation : Bangladesh Experience By A Y M Ekamul Hoque Director General Bangladesh Bureau of Statistics

    2. 1. Introduction : Among the Eight Millennium Development Goals (MDG) Goal -7 is �Ensuring Environmental Sustainability�. This goal has two targets of which target no-2 (Target 10 of MDG Targets) is to halve by 2015 the proportion of people without sustainable access to safe drinking water and sanitation. This target has two important indicators. These are as follows:

    3. 2. Concept and Definition used in Bangladesh: Indicator 7.8 : Proportion of population using an improved drinking water source Indicator 7.9 : Proportion of population using improved sanitation facility. The variation with respect to national and international data on improved drinking water source and sanitation system occurs mainly due to concept and definition used in the Censuses and Surveys.

    4. The concepts and definition used in different census and surveys varies in the context of Bangladesh particularly in case of sanitation facility. In case of drinking water the definition used in the multiple indicator cluster survey (MICS) conducted by UNICEF and BBS, 2006 is as follows: 2. Concept and Definition used in Bangladesh (cont.):

    5. Improved Drinking water: �The population using improved sources of drinking water are those with any of the following types of water supply: piped water (into dwelling yard or plot), public tap/standpipe, tube well/borehole, protected well, protected spring and rain water collection. Bottled water is considered as an improved water source only if the household is using it for other purpose also such as hand washing and cooking�.

    6. Improved Sanitation: The MICS 2006 used the following sanitation facilities as improved: flash toilet connected to sewerage system, septic tanks and pit latrines, ventilated improved pit latrines and pit latrine with slabs and composting toilets.

    7. 3. Arsenic contamination in tube well water: In the recent year, arsenic contamination of ground water remains as a significant issue for Bangladesh. The level of arsenic that has been considered as unsafe in the context of Bangladesh is 0.05 mg/l. MICS survey was conducted in July-September 2006 when the testing of all tube wells for arsenic contamination was not completed. However, MICS survey asked the households whether their tube well was tested for arsenic.

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