The storage of water may be done for following purposes.

  1. To act as source of water for any public water supply scheme.
  2. To augment the irrigation supplies when discharge in the river is smaller than the demand.
  3. To maintain some minimum level of water for generation.
  4. To increase the depth of water to facilitate.
  5. To render water comparatively slit and debris free so that it may not cause any damage.
  6. Growing useful aquatic.
  7. life.