There are some economic benefits of rivers and lakes mentioned below:

Economic benefits of rivers:

(a) In a country like India where agriculture is dependent on the monsoons, then in that case these rivers provide water for the irrigation and domestic purposes as well.

(b) Rivers carry slit and sediment which make the land fertile by carrying all the waste along with it and provide the most productive agricultural lands in the country.

(c) It also dilutes and transport wastes from settlements.

(d) Because of the help of rivers the development of industries has been flourished along rivers as many industrial processes rely on water as a raw material and for generation of hydroelectricity.

(e) Rivers are helpful in providing means of transport and inland waterways.

(f) Rivers have been of fundamental importance throughout the human history and because of it recreation, tourist promotion and fishing are also being developed along waterfronts.

Economic benefits of lakes:

(a) Lakes are also of great to human beings. It helps in regulating the flow of a river.

(b) Lakes prevent flooding during heavy rainfall.

(c) It helps in maintaining an even flow of water during dry season.

(d) It helps in moderating the climate of surrounding areas.

(e) It helps in maintaining the aquatic ecosystem.

(f) It also helps in developing tourism and providing recreation because of enhancement of natural beauty due to increasing number of lakes.