CATSIL
  - silo in general: a generally cylindrical tower
    used for storing fodder or grain. 
- tank in general: a fixed structure for storing
    liquids. (IHO Dictionary, S-32, 5th Edition, 5290) 
- grain elevator: a storage building for grain.
    Usually a tall frame, metal or concrete structure with an especially compartmented
    interior. (The New Encyclopaedia Britannica Micropaedia, 15th Edition). 
- water tower: a tower with an elevated container
    used to hold water.