The Norwesco 1550 Gallon Black Heavy Duty Vertical Storage Tank is a 1.9 specific-gravity polyethylene vertical tank built for the heaviest above-ground liquid storage jobs - bulk water, fire-water reserve, rainwater, and dense industrial liquids. It stands 67 inches tall on an 87 x 87 inch footprint, holding 1,550 gallons in a single black tank that blocks light and slows algae growth. The black, heavy-duty wall and the high 1.9 SG rating are the two specs that set this Norwesco vertical storage tank apart from a standard water-grade model.
Footprint: 87 x 87 in | Height: 67 in | Capacity: 1,550 gal | Color: Black | Material: Polyethylene | SG rating: 1.9
Will it work for your site
At 1,550 gallons of plain water this tank carries roughly 12,927 pounds of contents; at its full 1.9 specific-gravity rating it is engineered for contents up to 24,561 pounds. That difference is the whole point of the heavy-duty build: the 1.9 SG rating is why this tank can hold liquids far denser than water without overstressing the wall, where a lighter-rated vertical tank cannot. Treat 1.9 as a hard ceiling - verify your liquid's specific gravity before ordering, and if it exceeds 1.9 SG this is not the right tank. Plan your pad for the loaded weight, not the empty shell: the 87 x 87 inch footprint needs full, continuous support. Our Tank Sizing Calculator and Tank Sizing Guide help you confirm 1,550 gallons is the right capacity before you commit, and our guide to concrete pad sizing for above-ground polyethylene tanks walks through supporting that loaded weight against the ACI 360R-10 framework.
Fittings and drawing
No fitting sizes, thread types, or gasket materials are listed in this page text, so confirm them from the technical drawing on this page before you plumb the tank - the drawing is the authority for where the inlet and outlet sit, the body dimensions, and the tank's own shipping weight. Match your plumbing to the drawing so the connections land where your piping runs, rather than assuming a fitting layout from the description.
Common applications
Because it is black and rated to 1.9 SG, this is a frequent pick for fire-water reservoirs, rainwater storage, and heavier process liquids where a standard water tank would be under-spec'd. If you are sizing a private fire-protection reserve, our fire-water reservoir tank design guide covers NFPA 22 sizing discipline and cold-climate freeze protection. For reuse setups, the industrial water reuse tank topology guide shows how a tank this size fits a grey-water, rainwater, or HVAC-condensate storage train, and our rainwater harvesting guide covers first-flush diverter sizing.
Freight and ordering
This tank ships LTL freight, quoted live to your ZIP. Norwesco molds this model at 11 plants nationwide - Fairfield and Petersburg, TX; Griffin, GA; Hanford, CA; Lancaster, OH; Owego, NY; Shawnee, OK; Sheldon, IA; St. Bonifacius, MN; Tooele, UT; and Washougal, WA - so your live ZIP quote routes from the nearest one to keep transit and freight cost down. Request a live quote with your delivery ZIP using our Freight Cost Estimator to see your actual nearest-plant rate, or call 866-418-1777 and we will price it and confirm the closest shipping point for your address.
