The 750 Gallon Doorway Water Tank from Norwesco is built to move where standard tanks cannot. At 35 inches wide and 82 inches long with an 85-inch height, this white polyethylene doorway tank is shaped to pass through doorways, gates, and tight basement or shed openings that block a wider vertical tank, then hold 750 gallons of water once it is in place. It carries a 1.5 specific gravity rating, so the wall thickness is engineered for liquids heavier than water, not just for plain water storage.
Will it work for your site?
Filled with water, this Norwesco tank holds roughly 6,255 pounds of contents; at its full 1.5 specific gravity rating it is engineered to carry up to 9,382 pounds. That headroom matters: this water tank is over-built, so it will also hold liquids up to 1.5 specific gravity, not just plain water. Plan your pad, floor, or platform around the heavier of those two numbers if you ever expect to store something denser than water. The footprint sits at 35.0 x 82.0 inches, so the load spreads across a narrow, long base rather than a wide circle, which matters when you are siting it against a wall or inside a structure. Run your numbers through the Tank Sizing Calculator and review the Tank Sizing Guide before you commit. Confirm dimensions, the empty tank weight, and the outlet and bulkhead fitting locations against the technical drawing on this page so the tank clears your opening with room for the fittings, and so you can size the manpower or equipment needed to carry it through the door.
Designing the pad or floor
Because the 35 x 82 inch footprint concentrates the load along a long, narrow base, design your pad or floor to carry the higher of the two figures - 6,255 pounds of water, or 9,382 pounds at the full 1.5 specific gravity rating - spread across that area rather than the broad circle of a standard vertical tank. Our guide on concrete pad sizing for above-ground polyethylene tanks walks through the ACI 360R-10 framework so you can put real bearing-load math behind the design instead of eyeballing it.
Freight: how it ships
This is an LTL freight item, quoted live to your ZIP code rather than priced with shipping baked in. Norwesco molds this tank at plants in Lancaster, OH, Shawnee, OK, and St. Bonifacius, MN, so your shipment moves from whichever of those is nearest to you to keep transit and cost down. A Midwest or Plains buyer near Minnesota, Ohio, or Oklahoma gets a short LTL lane; a coastal buyer should expect a longer one and a higher quote. Get a real number for your address with the Freight Cost Estimator, or call 866-418-1777 and we will help you stage the quote.
The mistake to avoid
Measure the opening before you measure the tank. The whole point of a doorway tank is that 35-inch width, but you still need to confirm your actual door, frame, and turn clearance against the dimensions on the technical drawing, because a tank that will not make the final corner is no better than one that is too wide at the curb. Second, treat the 1.5 specific gravity rating as a ceiling, not a default: it tells you the tank is rated to hold contents heavier than water up to that density, but it does not change the chemistry of what you store. For dedicated water service this tank is a straightforward fit; if your plans ever shift toward a denser liquid, check that liquid's density first so you stay within the rating.
Planning a larger water program? Our guides on the 750 gallon doorway water tank, water reuse tank topology, and fire-water reservoir design walk through the engineering. Start with the Freight Cost Estimator or call 866-418-1777 to get your freight quote.
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