To make water suitable for human consumption, water from most sources must first be treated, and the source water that can be used as raw water for public water supplies should conform to quality standards stipulated in ...

The Colombo Canal System comprises of a rather complex network of large open drainage canals, smaller tributary canals and low lying marshes functioning as natural retention ponds. It caters to the drainage needs of the ...

Water is a crucial element that covers two-thirds of the surface area of the earth, and it is one of the main substances in the body of every living being on the earth. Thus clean, safe, and adequate freshwater is important ...