The Enduraplas 1100 gallon vertical liquid storage tank in black is a polyethylene vertical tank built for above-ground bulk water storage where you need real capacity in a compact footprint. It stands 97 inches tall on a 60 x 60 inch base, a 60-inch nominal diameter body that lives entirely inside a 5-foot square envelope, and holds 1,100 gallons. The black shell slows algae growth in outdoor and sunlit installations. If you are sizing a vertical storage tank for fresh-water reserve, irrigation supply, fire-water reservoir duty, or general liquid storage, this is the size that fits a 60 x 60 pad while giving you four-figure volume.
Will it work for your job?
Capacity is 1,100 gallons in a 60-inch nominal diameter, 97-inch tall body, so the entire tank sits inside a 60 x 60 inch footprint with no overhang past the pad. Full of water at standard density, the contents weigh roughly 9,174 pounds, and that is the number that drives your pad design and placement. The shell carries a 1.9 specific gravity rating, which means the wall is built to hold liquids up to about 1.9 times the weight of water, to a maximum rated contents weight near 17,431 pounds. For plain water and most fresh-water service that 1.9 rating is headroom you will not use, but it tells you this is a heavy-duty vertical, not a thin-wall rain barrel. No fitting package is published for this model, so confirm your bulkhead, gasket, and outlet needs when you order; call 866-418-1777 and we will spec the right fitting layout for your liquid. See the technical drawing on this page for the body profile and dimensional detail.
Pad and placement
At nearly 4.6 tons full, this Enduraplas vertical needs a flat, fully supported, level base. A vertical tank must bear on its entire bottom; bridging or point-loading a poly tank is the fastest way to crack one. Use our Tank Sizing Calculator to confirm 1,100 gallons covers your draw and refill cycle, the Tank Sizing Guide to compare footprints, and our guide to concrete pad sizing for above-ground polyethylene tanks for the ACI 360R-10 framework behind sizing a slab for this load. If this tank is going into rural or remote fire-protection duty, our fire-water reservoir tank design guide walks through NFPA 22 sizing discipline and cold-climate freeze protection.
The mistake to avoid
The common error on a heavy vertical like this is reading the 1.9 specific gravity rating as a license to store anything. The rating is a structural weight ceiling, not a chemical-compatibility approval. The upside is real: because the shell is rated to 1.9 SG, a buyer whose liquid is heavier than water does not automatically need to step up to a separate heavy-duty model for most chemical-weight fluids, as long as the contents stay within the rated weight. But verify two things before filling with anything other than water. First, confirm the liquid is compatible with polyethylene at your concentration and temperature. Second, confirm the bulkhead fitting, gasket, and outlet materials are rated for both the fluid and its specific gravity, since a 1.9-SG shell with a mismatched gasket still leaks at the fitting. Call 866-418-1777 and we will help you spec the fitting and gasket package. The other frequent miss is the pad: a tank weighing more than 9,000 pounds full telegraphs any unevenness in its base into the tank wall, so get the slab right before delivery, not after.
This tank ships LTL freight from the nearest Enduraplas plant in Converse, TX or Neche, ND, with freight quoted live to your ZIP; which plant ships, and therefore the cost, depends on stock and your destination. Note the LTL number is driven by the empty tank's handling size and weight, since it ships empty, not by the 9,174 lb full-water figure. Get your exact quote with the Freight Cost Estimator, or call 866-418-1777 and we will quote the tank and the freight together. One Source Plastics, 866-418-1777.
