The Snyder Industries 4500 Gallon ASTM Black Vertical Storage Tank (SKU 7420000N49) is a molded polyethylene vertical storage tank built to ASTM standards, standing 142 inches tall on a square 102 x 102 inch footprint. It is a workhorse for bulk water storage, rainwater capture, fire-water reservoir duty, and general industrial holding where a tall, small-footprint vertical tank makes the most of limited pad space. The black exterior blocks light to help discourage algae growth in stored water.
Will it work for your site?
This vertical tank holds 4,500 gallons and carries a 1.5 specific gravity rating, which is Snyder's maximum density rating for this model, so it is the heavy-content-capable version of the tank rather than a light-duty water-only shell. That rating means the wall is engineered to hold contents up to 1.5 times the density of water. For plain water at roughly 8.34 pounds per gallon, a full tank weighs about 37,530 pounds of water alone; at the full 1.5 SG rating the contents can reach 56,295 pounds. Spread across the 102 x 102 inch footprint (about 72 square feet), that is roughly 519 pounds per square foot with water and about 779 pounds per square foot at the full rating, so your pad and foundation have to be engineered for the actual liquid you plan to store, not just the empty shell. Above-ground poly tanks of this size belong on a properly sized, level, continuously supported pad. Our concrete pad sizing guide walks through the ACI 360R-10 framework and where the ACI 318 boundary begins, and the Tank Sizing Calculator and Tank Sizing Guide help you confirm 4,500 gallons is the right capacity before you commit.
The mistake to avoid
The most common error on a black vertical storage tank this size is treating the specific gravity rating and the pad as afterthoughts. The 1.5 SG rating is a strength ceiling, not a promise that any liquid is safe in it, and a full tank puts more than 25 tons on a single footprint. There is also a difference between rated volume and usable volume once you account for freeboard and thermal expansion; the Snyder freeboard sizing guide breaks down the ASTM D1998 freeboard and thermal-expansion math so you plan around the real volume you can actually use. Confirm your dimensions and fitting outlet locations against the technical drawing on this page before you pour, and size the pad for the loaded weight. For fire-protection reservoir builds where freeboard and cold-climate freeze protection matter, our fire-water reservoir design guide covers NFPA 22 sizing discipline, and for grey-water, rainwater, and HVAC condensate aggregation our industrial water reuse topology guide maps out quality-banded storage trains.
Freight
This vertical storage tank ships LTL freight, quoted live to your ZIP code, from Snyder's Chowchilla, CA plant or Lincoln, NE plant depending on stock and destination. Freight on a tank this size is priced by the governing origin, destination, and site access, so run your ZIP through our Freight Cost Estimator to resolve which plant ships it and get your shipping figure, or call 866-418-1777 and we will build the quote with you. The list price shown is before freight.
