water storage
every type of water storage, drinkable or not
Pondage
water storage above the weir of a hydroelectric power plant
water tower
elevated structure supporting a water tank
water tank
container for storing water
bucket
tube-shaped container
water reservoir
artificial or natural body of water used to collect and store water
water sachet
water distributed in a plastic bag
hot water bottle
container usually made from plastic or other materials filled with hot water used for heating