Full Bucket of Water is obtained by using an Empty Bucket on a Deep Well, Newcomen Pump, Kerosene Newcomen Pump or Cistern containing water. It can be emptied again. Using a Clay Bowl or Water Pouch will get Bowl of Water and Full Water Pouch respectively. It is useful to transport water closer to where you need it.
A full bucket of water is necessary to water a dry Domestic Mango Tree. A Partial bucket of water cannot be used for this purpose.
A full bucket of water is used to fill the boiler of various machines including Newcomen Pump, Kerosene Newcomen Pump, Oil Rig Fractional Distiller, and Multipurpose Newcomen Engine.