Rivers are the most significant freshwater asset. Social, monetary and political advancement has, in the past, been to a great extent identified with the accessibility and circulation of fresh waters contained in riverine systems.
This purified river water can be used in many places like Sources of drinking water supply, Aesthetic value, Irrigation of agricultural lands, Fishing, Boating, and Body-contact recreation, Industrial and metropolitan water supplies, Navigation, Industrial and municipal waste removal and some other places.