EcoRain™ Tanks are underground modular products certified by the International Code Council (ICC) an independent organization, to meet Industry standards - designed to accept and hold rain and runoff water for infiltration into the substrate, detention for controlled release, or for water reuse as a cistern. Tanks have a 97% void space for water storage. Certified for AASHTO H-25 loading in traffic areas, Eco-Rain Tank basins are used under parking lots, and landscaped areas. Tanks are 1.34’ wide x 2.25’ long x 10 different heights and can be designed to fit in square, rectangular, tiered, or odd shapes.