Decrease in volume of water in the rivers of the USA.

There are more than 250,000 rivers in the United States. These rivers are used for irrigation of a wide area. The longest river in the United States is the Missouri River. The Roe River is the shortest river in the United States.The Roe River begins at Giant Springs and ends at the Missouri River. The length of this river is 201 feet or 61 meters. Based on the information, there are 91,804 dams in the United States. Most of these dams are built on different rivers. Water from these same rivers is used extensively in agriculture in the United States. The same rivers and dams also provide electricity in the United States on a large scale. Rivers also supply a large amount of water to forests in any country.