According to the definition of Dam Industry, any dam that is greater than 15 meters in height is classified as large dam. Based on this criteria, the number of large dams globally is estimated to be more than 40,000. China with 19,000 large dam is number one followed by the US with 5,500 large dams. The rate of large dam construction at present is much lower than two decades ago in recognition to their social, ecological and maintenance costs.
65%
There are least 48,000 dams in the world that are more than 45 feet tall. Almost half of these dams are in the nation of China.
==== ==== the total number of large dams in Africa is 1 272;
World Commission on Dams was created in 1998.
Dams in AmericaThere are an estimated 75,000 dams in the United States, blocking 600,000 mi (970,000 km) of river or about 17% of rivers in the nation.
Yes,Becouse they are big.
how many dams in the river rhine11 dams whith hydropower stations .
Their are many different dams across the world. A few dams that are famous are The Hoover Dam located in the United States and The Karun Damn in Iran
there are about 50 dams
Dams can bring both benefits and problems to the environment. Dams affect the land and environment over a large area. These dams are also good targets for terrorist activity.
How many Dams are in Washington State?
At independence, in 1947, there were fewer than 300 large dams in India. By the year 2000 the number had grown to over 4000, more than half of them built between 1971 and 1989. India ranks third in the world in dam building, after US and China. While some of these dams were built primarily for flood control, water supply, and hydroelectric power generation, the primary purpose of most Indian dams remains irrigation.