A study on the ground water quality around Dhalai Beel area adjacent of Dhaka export processing zone

Abstract

Ground water is still the most preferred water source in the third world countries. Once believed to be safe from contamination as it resides many strata below the surface, has now been proved to be prone to pollution by several researches across the world. The contamination of groundwater may be due to improper disposal of domestic and industrial wastewaters. In urban centers the ground water is exposed to more threat than in rural areas. The main source of drinking water around Dhalai Beel area adjacent to Dhaka Export Processing Zone (DEPZ) is hand pump, tubes wells and is supplied directly to customers with out any pretreatment. Two EPZ's have been operating for years in the area; huge amount of effluents are gushing out everyday from the industrial establishment of EPZ and the materials are directly poured into the

Industrial metal pollution in water and probabilistic assessment of human health risk

“…indicating no possible human health hazards. Our average concentrations of Pb, Cd, Cu, Mn, and As were lower, while Zn concentration was in line with the values reported byBiswas and Banu (2006) in the groundwater samples from the locations of north-west side of Dhalaibeel. The concentrations of Ni, Cr, and Zn found in this study were lower, Cu and As concentrations were ~3 fold higher, and Pb and Cd concentrations were similar to the values observed in shallow and deep tube wells water inside and around DEPZ byAhmed et al (2012a).…”