Use in the catchment and prevent flooding, including electricity. The upper part of the dam consists of a part that is called a spillway for the water level to the flowing downstream side.
Used to store water and prevent flooding, including the production of electricity. The upper part of the dam will include a section called the spillway for the water above the desired flow past the downstream side.
The catchment and prevent floods and produce electricity. The upper part of the dam contains a section called the spillway for the water level is higher than the desired flow to the downstream.