The 100 Gallon HDPE Vertical Liquid Storage Tank is a compact, freestanding polyethylene tank built for water storage, hauling, and general liquid handling where floor space is tight. It stands 37 inches tall on a 31 x 31 inch footprint, so it drops into a corner, a truck bed, or a utility shed without a custom pad, and the high-density polyethylene body will not rust or corrode the way steel does. See the technical drawing on this page for the full dimensional layout before you plan your install.
Will it work for my site?
Capacity is 100 gallons in a vertical cylinder measuring 31 inches in diameter and 37 inches tall (dimensions verified). Filled with water, plan for roughly 834 pounds sitting on that 31 x 31 inch base, so the surface underneath has to carry the load fully supported and dead level. Run the numbers with the Tank Sizing Calculator and the Tank Sizing Guide to confirm this footprint and your draw-down match how you will actually use the tank before you order.
The mistake to avoid
Mount this tank on a smooth, continuous, level surface. Point loads, gravel high spots, or an unsupported overhang are the fastest way to stress a polyethylene wall, and once the tank is full of 834 pounds of water there is no fixing the base. For anything other than water or water-like liquid, do not assume the water spec carries over: a liquid's specific gravity and its chemical attack on polyethylene both change what wall build you need. Call us at 866-418-1777 before you order for any non-water service so we can confirm the right tank for your liquid rather than working backward from the water rating.
Comparing 100-gallon builds?
The same 100 gallons can be packaged as a taller, slimmer cylinder or a wider, shorter one, and the footprint-versus-height trade-off is worth thinking through before you commit. Our buyer's guides for the 28" x 43" and 23" x 63" 100-gallon vertical tanks walk through those different-dimension options (note those are separate builds, not this 31" x 37" SKU). If this is destined for rural fire-protection storage, the NFPA 22 reservoir sizing guide covers how polyethylene tanks fit the private fire-protection stack and how to plan freeze protection for cold climates.
This vertical liquid storage tank ships LTL freight, quoted live to your ZIP code through the Freight Cost Estimator or by phone at 866-418-1777. Get your freight quote to your ZIP before you buy so there are no surprises at the curb.
