Underground Water Storage Tanks

Water Cistern for Potable Water and Non Potable Water

Underground Water Storage Tanks offer robust storage for a wide range of liquids including drinking water, rainwater, non-potable water, waste water and more. Due to the demanding nature of underground water storage, tanks are made from a rigid material such as steel, fiberglass or polyethylene. These materials are equipped to keep liquids effectively contained and protected in a below ground location. Underground tanks are effectively used for fire suppression, emergency water supply and rainwater collection.

A long, cylindrical white plastic water storage tank, designed for above-ground use.

Plastic Tanks

A large green water storage tank being installed underground at a construction site with workers and equipment visible.

Steel Rainwater
Water Storage Tanks

A beige fiberglass underground storage tank with multiple connection points, suitable for water or wastewater storage.

Fiberglass Underground
Water Tank Storage


If you have questions about products, give us a call at 1-863-261-8388 or request a price quote.

Underground Water Storage Tank Options

Rainwater Collection Tanks

Another view of the beige fiberglass underground storage tank, showcasing its cylindrical design and connection ports.One of the most common uses for an underground storage tank is as an underground rainwater collection tank. Available in small or large sizes, these tanks are the perfect way to collect and re-use rainwater. Implementing collection tanks has helped customers earn LEED points, keep a supply on hand during shortages, and limit water costs. Rainwater collection tanks are available in small plastic models, steel collection systems or fiberglass below ground storage.

Non-Potable Water Tanks

A second image of the large green underground water storage tank being lowered into a trench by cranes.Underground tanks are also widely used in a range of non-potable water storage situations including:

  • Fire Suppression Water Storage
  • Sprinkler System Storage
  • Irrigation
  • Below Ground Non-Potable Water Storage
  • Black or Gray Water Storage
  • Landfill Waste Collection

Regardless of which underground tank you choose, these materials will constantly work to keep your fluids contained in an efficient and safe manner!


If you have questions about products, give us a call at 1-863-261-8388 or request a price quote.