All of our cistern tanks are manufactured by means of the rotational molding process, which produces a one-piece, seamless, watertight tank. Polyethylene is unaffected by soil chemicals so our tanks will not rust or corrode.

As with all of our water storage tanks, our cisterns are produced with 100% virgin polyethylene resin which meets FDA specifications for potable water.
Manhole extensions and lid/riser combinations are available for instances where it is necessary to bring access to ground level. In addition we offer a full range of bulkhead fittings to help adapt the cistern to suit specific needs or applications. (See Fittings and Accessories.)