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Cistern Tanks for Catching Rainwater

FAQ: Are There Specs for Collapsible Rainwater Collection Tanks?

rainwater collection collapsible tank

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

Question: I'm looking for specifications on a rainwater collection cistern tank system WST58 with dimensions of 8' x 9' x 2'. Can you provide these rainwater collection tank specs?

Answer: We would be happy to provide you with specs on the Cistern Tank for Catching Rainwater. 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 collection tanks and 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.

Questions about rainwater collection tanks? We can help! Call our sales team at 1-772-646-0597 or fill out our quote request form to discuss your requirements.


Collapsible rainwater collection tanks can be built with fabric safe to store drinking water. 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 Cistern Tank Fabric Options

collapsible pillow tank in crawlspaceIn 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.

Question about cistern rainwater collection tanks? Call our sales team at 1-772-646-0597 or fill out our quote request form to discuss your requirements.