The Snyder 330 Gallon Heavy Duty Vertical Storage Tank is a crosslinked polyethylene (XLPE) tank rated to a 1.9 specific gravity, which puts it well above the strength of a standard water tank. If you are storing non-potable water, rainwater, or fire-reserve water, this is a vertical storage tank built to carry dense contents without stressing the wall - real capacity headroom for heavier duty than plain water alone.
Will it work for your site?
The tank holds 330 gallons in a vertical footprint of 47 x 47 inches and stands 50 inches tall, so it fits through most gate and doorway openings and sits on a compact pad. Full of water it carries roughly 2,752 pounds. At its maximum rated 1.9 specific gravity that same volume is engineered to hold up to 5,229 pounds - the math is transparent: 2,752 x 1.9 = 5,229. Those numbers matter for the pad and the ground under it, because a filled tank concentrates thousands of pounds on a small footprint, so a level, load-rated base is not optional. Our Tank Sizing Calculator and Tank Sizing Guide help you match the 330-gallon draw to your demand, and the concrete pad sizing guide walks the ACI framework for setting a base that carries that weight.
Why crosslinked polyethylene here
This is an ASTM XLPE tank. Crosslinking builds a molecular network that resists cracking and stress far better than standard non-crosslinked HDPE, which is why Snyder rates it to a 1.9 specific gravity. For most water applications that margin is more strength than you strictly need, but it means the tank is not the limiting factor when your contents get heavier or your service gets harder. The natural white translucent wall also lets you eyeball the fill level at a glance. If you are weighing this against a standard-density tank, our guide on Snyder XLPE vs HDPE lays out when crosslinking earns its place. For outlet and fitting configuration on this unit, see the technical drawing on this page, and call 866-418-1777 to confirm outlet size and gasket material before you order.
The mistake to avoid
The most common error with a tank this heavy is under-building the base. People set a 330-gallon vertical tank on bare soil or an undersized pad, and once it fills the concentrated load settles unevenly, tips the tank, or cracks the pad. Set it on a full-support, level, load-rated foundation sized for the filled weight before you ever add water. If the tank will see cold-climate or fire-reserve duty, the fire-water reservoir design guide covers freeze protection and NFPA 22 sizing discipline.
This tank ships by LTL freight from Snyder's single plant in Chowchilla, California, quoted live to your ZIP - there is no flat shipping number on a unit this size and weight. Because it originates on the West Coast, ZIPs east of the Rockies will see higher LTL, so pull a real number before committing. Get one in seconds with our Freight Cost Estimator, or call 866-418-1777 and we will quote it and confirm fitting options with you. Listed price is the tank before freight.
