The Chem-Tainer 750 Gallon Vertical Water Storage Tank in black is a polyethylene vertical storage tank built for bulk water service, holding 750 gallons in a 46 inch by 46 inch footprint and standing 119 inches tall. It is molded from FDA-compliant polyethylene resin for water-contact service and carries a specific gravity rating of 1.0, meaning it is built to hold water and water-equivalent liquids only. Filled to capacity with water, the tank and its contents weigh 6,255 pounds, so the pad and the placement have to be planned around that figure before the first gallon goes in.
Will this tank work for your site?
At 750 gallons on a 46 by 46 inch base and a 119 inch height, this is a tall, compact vertical tank that fits where floor space is tight but vertical clearance is available. The black wall blocks light to discourage algae growth, which is a practical choice for outdoor water storage, rainwater capture, and supply that sits for extended periods. If you are sizing storage for a rural fire-water reservoir, a water-reuse train, or general bulk supply and are not certain 750 gallons is the right volume, the Tank Sizing Calculator and the Tank Sizing Guide walk you through matching capacity, footprint, and refill rate to your demand. For rural and remote sites in particular, our guide on fire-water reservoir tank design covers NFPA 22 sizing discipline and freeze protection for cold-climate service.
The number that decides your foundation: 6,255 pounds
The most common mistake on a tank this size is underbuilding the base. A full 750 gallon tank pushes 6,255 pounds onto a 46 by 46 inch footprint, and that load has to land on a level, fully supporting surface, not gravel, not soil, and not a partial bearing edge. A poured pad sized to the load is the right path here; our guide on concrete pad sizing for above-ground polyethylene tanks covers the ACI framework for getting that foundation right. Confirm the surface is flat and continuous across the full 46 by 46 inch base before filling, because an unsupported edge on a vertical water tank is how walls crack under load.
Know the specific gravity ceiling before you buy
This tank is rated to 1.0 specific gravity, which is a hard limit: water and water-equivalent liquids only. If you are storing anything heavier than water, you need a tank rated above 1.0 SG, so call 866-418-1777 before ordering and we will point you to the right model. Because fitting and bulkhead configuration is not published in the listing specs, contact us at the same number to confirm outlet and fitting layout for your install before you order, and review the technical drawing on this page for dimensional detail.
Freight and how to order
This tank ships LTL freight from the Merced, California plant, and the cost is quoted live to your ZIP code rather than baked into the listed price. Because a 119 inch tall vertical storage tank is an oversized freight item, use the Freight Cost Estimator to get freight quoted before you order, or call the team at 866-418-1777 and we will quote it for you. If you are weighing Chem-Tainer against other brands on vertical tanks, the Snyder vs Norwesco vs Chem-Tainer vertical tank comparison shows how the three makers stack up on build and configuration. Reach out at 866-418-1777 with any sizing or freight questions on this black vertical water storage tank.
