A dam is a human-made structure that is primarily used to hold back water. Dams are constructed for many purposes, including reservoir creation, flood prevention, irrigation, and hydroelectric power. Today, there are almost 50,000 large dams in use worldwide.
Besides, who built the first dam in the world?
Kallanai Dam, also known as Grand Anicut, is the fourth oldest dam in the world. It still serves the people of Tamilnadu, India. The dam was constructed by King Karikala Chola of the Chola Dynasty in the 2nd century AD. The dam is located on the River Kaveri, approximately 20km from the city of Tiruchirapalli.
When were most dams built in the US?
It is not surprising, then, that dam building inspires powerful emotions. Most people, when asked about American dams, think of one of the massive federal projects built between the 1930s and the 1970s, such as Hoover Dam or the Grand Coulee.