Storage zones of a reservoir

STORAGE ZONES OF A RESERVOIR 1. Dead Storage. The volume of water stored below the minimum pool level of the reservoir is know dead storage. This storage is not of such use in the operation of the reservoirs. 2. Useful Storage. The volume of water stored in a reservoir between minimum pool level and normal pool level is know useful storage. The useful storage may be further classifie into conservation storage and flood mitigation storage in a multi-purpose reservoir. 3. Surcharge Storage. The volume of water stored between normal pool level and the maximum pool level is know surcharge storage. This storage is an uncontrolled storage. It exists only till floods are in progress and cannot be retained for later use. 4. Bank Storage. When reservoir is full of water some amount of water seeps in the permeable banks of the reservoir. This seeped water comes out as soon  the…

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