Drinking water in the hilly region of Bangladesh: how is the quality?
|dc.identifier.citation||Karim, F., & Rafi, M. (2002). Drinking water in the hilly region of Bangladesh: how is the quality? Water Resources Development, 18(3), 493–452. doi:https://doi.org/10.1080/0790062022000006925||en_US|
|dc.description.abstract||This paper assesses the chemical and bacteriological quality of drinking water in three districts of the Chittagong Hill Tract (CHT), a region within Bangladesh. Drawing water samples from tubewells, chharas /springs, lakes/canals, wells, and ponds, analysis was done on pH, alkalinity, arsenic, phosphate (PO 4 ), sulphate (SO 4 ), ammonium-nitrogen, conductivity, and faecal coliform bacteria. The PO 4 and SO 4 concentrations were within the permissible limits. In contrast, 100% of the water samples contained alkalinity below 400 mg/l. Varied proportions, ranging from 14% to 50%, of tubewells, chharas /springs, lakes/canals, and well water had a pH of less than 6.5. Three out of 16 (18.8%) tubewell water samples tested had arsenic contamination and 18% of the chhara /spring and 11% of the well water samples had an unacceptable level of conductivity. In addition, faecal coliform bacteria contaminated almost all sources of water, ranging from 81% to 100%. The water used for drinking in CHT in general is harmful for health.||en_US|
|dc.title||Drinking water in the hilly region of Bangladesh: how is the quality?||en_US|
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