RainFlo single wall, underground, fiberglass reinforced plastic (FRP) storage tanks set the standard for custom designed and made-to-order storage tank solutions for the rainwater, stormwater, fire suppression, potable water storage, and water reuse industries. Each tank is designed and fabricated to meet specific project needs by our team of water storage solution professionals. Our factory designed and engineered tank anchoring systems ensure RainFlo FRP tanks can be buried in any environment, including high water table applications.