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EsHyDro reservoir
Reservoir defined
The word reservoir refers to a place where large amounts of water get stored. The word reservoir comes from the French réservoir, which further derives from the Old French reserver, meaning "to reserve."
Reservoirs are those water bodies formed or modified by human activity for specific purposes, in order to provide a reliable and controllable resource. a water body contained by embankments or a dam, and subsequently managed in response to specific community needs; or any natural waters modified or managed to provide water for developing human activities and demands.
Examples of Reservoir Uses of Reservoirs maintain an area’s water supply power generation stabilization of water flow and agricultural irrigation river regulation and flood prevention commercial and recreational fisheries navigational water diversion, canalization and waste disposal (in some situations) body contact recreation, boating, and other aesthetic recreational uses
Types of Reservoirs
1. Valley Dammed Reservoir These are reservoirs that are located in narrow valley areas where tremendous amounts of water can be held in by the valley’s sides and a dam. The best location for a dam in these types of reservoirs is where it can be built into the valley wall most effectively to form a water tight seal. The valley sides act as natural walls with the dam located at the narrowest practical point to provide strength and the lowest practical cost of construction.
Examples of Valley Dammed Reservoir 2. Bank-side Reservoir Bank-side Reservoirs are those formed when water is taken from an existing stream or river and stored in a nearby reservoir. The use of bank-side reservoirs also allows a water abstraction to be closed down for extended period at times when the river is unacceptably polluted or when flow conditions are very low due to drought.
3. Service Reservoir Service Reservoirs are mainly constructed to store water for later use. They

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