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Rainwater Collection Tanks

The collapsible cistern tank for catching rainwater is designed to provide an economical storage option for rainwater collection and storage. See some specifications on sizing and dimensions for these tanks, provided to customers who contacted us.


I'm looking for specs on a cistern tank system WST58 with dimensions of 8' x 9' x 2'.


rainwater collapsible tankThanks for contacting the Portable Tanks, a division of GEI Works with your inquiry. I would be happy to provide you with specs on the cistern tank for catching rainwater you have an interest in. The fabrics used to manufacture our pond liners, portable tanks and cistern tanks are FDA and NSF 61 compliant for potable water use. A rainwater harvesting system can be created using pumps and hoses to help harvest rainwater in a specific site or location.

The cistern pillow tank, WST58, with the dimensions you desire has a capacity of 1100 gallons (4000 liters). It is compatible with potable water (DOD Spec) and has a recommended contact time of up to seven (7) years. As a rainwater harvesting system, the cistern tank can be adapted to fit into a crawl space in commercial or residential buildings in a basement or directly outside exposed to the elements!

The pillow tank fabric is Reinforced Polymer Alloy (polyester scrim coated on both sides with PVC polymer) and is both NF61 approved and FDA compliant. These tanks have frequently been hooked up to various types of pumping or water control systems to collect, store, harvest, and reuse rainwater.

Other Fabric Options

In general, a majority of our pillow tanks are created from either a commercial, medium grade, or industrial grade fabric. These specifications typically refer to the thickness of the material, as well as the contact time for each of these units. Contact times refer to the rated amount of time that a tank can handle a liquid. This is not a lifespan, but more of a guideline as to when the fabric inside your tank may start to change.

For more information on a cistern tank for catching rainwater, please feel free to call or submit a request and we would be happy to send you specifications for this or other fabrics that you may require.

For pricing information, please feel free to Request a Price Quote. Don't hesitate to contact our tech team for further questions at +1-772-646-0597.