Abstract: A livestock watering tank being used for receiving water for feeding livestock, the tank includes first and second sidewalls, a top, an upper rim wall and a bottom, the tank being formed of molded plastic to prevent corrosion. The tank includes a float valve for controlling the supply of water from the tank to the drinking tray. The tank is shaped so as to be nestable with another tank and includes a first pair of nesting members formed on the first sidewall of the tank, and a second pair of nesting members formed on the second sidewall of the tank, and the first and second pairs of nesting members each having nesting surfaces on their lower edges for engaging and resting on the upper rim wall of another tank in order to allow the tank to nest within another tank and to space the tops of the tanks apart a predetermined amount.

Abstract: A portable water sprinkler system including a central water column assembly having a lower section, an upper section removably connected to the lower section, and a sprinkler head removably connected to the upper section. The lower section includes an outer tube formed of galvanized steel, an inner tube formed of plastic for supplying water to the upper section, and a hose connector at the lower end for receiving a hose for supplying water to the inner tube. The upper section is formed of plastic and is removably connected to the inner tube of the lower section. The outer tube of the lower section includes three connection flanges formed of galvanized steel extending outwardly from the outer tube. The portable water sprinkler system further includes first, second, and third leg members formed of galvanized steel being pivotally connected at their upper ends to the three connection flanges on the outer tube, respectively.

Abstract: A livestock watering tank has a main tank and a drinker tray disposed below the main tank. Both the main tank and the tray are formed of molded plastic to prevent corrosion and for easy cleaning. The tanks are nestable for easy shipping and storage.