The process of removing sediment from a reservoir or dam by mechanical or hydraulic means or other methods is known as dredging. As a result, it can be used to preserve storage capacity for future generations without causing significant drawdown.
Reservoirs have long been used to provide sufficient water to large populations. They also provide habitat and a source of food for creatures that live in the vicinity of the pond, such as fish and frogs.
While reservoirs are an important component of modern urban water management, they are not flawless.
Dams are an important component of modern water management. Dams can be used for a variety of purposes beyond hydroelectric power generation and local agricultural needs, including flood control. Sediment can accumulate along the bottom and edge of the dam, as in reservoirs.