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Rainwater Harvesting Storage Tank for Basement

Question on a rainwater harvesting tank for basement: I am looking to store rainwater in a basement where the access is too small to fit larger tanks. We would need several tanks. Is a bladder tank the best option, or is there something else I don't know about?

The system is in California where rain only comes in the winter, so the tanks would collapse for a period of months in the summer. What are the dimensions and costs for a 2000 gallon pillow tank? What is the design life?


rainwater harvesting tankThank you for contacting us! The Flexible Rainwater Tank would be the perfect option for this type of storage. These tanks are designed specifically for tight spaces and can lie flat or fold when empty to fit through tight door spaces.

2000 gallon Rainwater Harvesting Pillow Tank

The 2000 gallon pillow tank is a great option for this type of storage and can lie flat, be folded or be rolled to fit your location. Dimensions for the tank may vary depending on the type of fabric that you use. Different fabric options can include FDA approval for drinking water or thicker options for long-term storage applications.

Standard specifications for a 2000 gallon rainwater harvesting tank for basement can include the following sizes:

  • Width: 126"
  • Length: 174"
  • Height: 22"

If there is a specific size that you are needing these tanks to fit into, please don't hesitate to let us know. Tanks can also be custom designed to fit your specific storage application.

Contact Times/Design Life

When dealing with these tanks, fabric are typically given a rated contact time. This contact time is described as the amount of time in which tanks can store a liquid before the fabric on the tank may start to change. This is not designed to act as a lifespan for the tank, but rather a point in time in which the fabric on the tank MAY start to change.

Typical contact times for fabrics will be either up to 1 year, 3-5 years, or up to 7 years. If there is a specific amount of time that you are needing to use this tank or store a liquid, please let us know.

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