Water quality assessment, reasons of river water pollution, impact on human health and remediation of polluted river water

Bangladesh is a land of rivers. The pride of Bangladesh is her rivers with one of the largest networks in the world. The Rivers of Bangladesh play an important role in the wealth of our country. The prosperity of agriculture and fisheries are depending on the rivers. But our resourceful rivers become polluted day by day due to over growth of population and uncontrolled industrialization and urbanization, which is deploying harmful impacts both on human health as well as aquatics ecosystem and environment. Improper management of industrial and seawage effluents are major causes of river water pollution. The microorganisms within the water are prime sources to cause different water borne diseases like Diarrhea, Cholera, Scabies, Asthma etc. To find out the remedies to this problem, urgent emphasis should be given on preventive measures and to take appropriate steps to improve the existing pollution of the rivers. A lots of water treatment systems like physical chemical treatments, microbial remediation, wetland remediation etc. are being practiced throughout the world to restore the health of the rivers. So, our government should take necessary steps to prevent river water as soon as possible.