Abstract: A liquid storage and dispensing tank for use individually or for use in a stacked manner. The tank has an upper sump formed therein which collects the liquid in the tank when the tank has been turned upside down to completely drain liquid from the tank. The upper end of the tank has a pocket formed in a raised central portion thereof which receives a bottom sump of a tank stacked thereupon. The tank has a pair of forklift pockets formed in the bottom thereof which are accessible from the front of the tank. The tank also has conveniently accessible fill and drain openings. The tank is comprised of one-piece plastic and is formed by rotational molding or the like.