The Snyder Industries 18800 Gallon ASTM Black Vertical Storage Tank is one of the largest single vessels in our vertical storage lineup, holding 18,800 gallons in a 165-inch diameter footprint that stands 242 inches tall. It is molded from black polyethylene and rated to a 1.5 specific gravity, so it carries water and heavier-than-water contents without exceeding its structural rating. If you are staging bulk water for a rural fire reserve, irrigation, process supply, or reuse storage, this is a full-scale black vertical storage tank built to ASTM standards.
Will it work for your site
Plan the pad and the load before delivery. Filled with water, this tank carries roughly 156,792 lb; at its maximum rated 1.5 specific gravity it reaches about 235,188 lb. In other words, full water loads the tank to only about two-thirds of its structural rating, so the 1.5 SG figure is genuine reserve for denser-than-water contents and dynamic or seismic pad loads, not a spec to ignore. That is a foundation and siting decision, not an afterthought, so review our Tank Sizing Guide and Tank Sizing Calculator early, and read Concrete Pad Sizing for Above-Ground Polyethylene Tanks for the ACI framework behind an above-ground pad. The 165 x 165 inch footprint is the space you need to clear and level, and as a black vertical tank the opaque wall also limits algae growth in outdoor water storage.
Fittings and access
Per the technical drawing on this page, this tank carries three distinct connections: a 24-inch PE threaded and vented top fitting, a separate manway with 22-inch access for interior entry, and a bulkhead outlet. The 22-inch manway gives you room to inspect and service the interior of a tank this size. The bulkhead outlet size and elevation are shown on the technical drawing, so confirm both against your discharge and suction plan before you set the tank, since relocating connections on a vessel this large is not practical after placement. Gasket and fitting hardware are specified by service, so confirm elastomer and torque with us at 866-418-1777 before install.
Sizing it right
For high-volume roles, size the usable volume, not just the nameplate. Freeboard and thermal expansion eat into the number on the label, and our guide on Snyder Captor freeboard sizing per ASTM D1998 walks through the real volume you can actually use. If this tank is feeding a private fire-protection reserve, our guide on Fire-Water Reservoir Tank Design covers NFPA 22 sizing discipline and freeze protection. If you are aggregating grey-water, rainwater, or HVAC condensate, our industrial water reuse tank topology guide covers quality-banded storage trains and treatment sequencing.
This vertical storage tank ships LTL freight from the Snyder plant in Washington Court House, Ohio, quoted live to your ZIP because a vessel of this size requires specialized flatbed handling. Get a rate with our Freight Cost Estimator, or call 866-418-1777 and we will arrange delivery.
