The Norwesco 12000 Gallon Vertical Liquid Storage Tank (N-43919) is a White polyethylene vertical tank built for high-volume above-ground water and liquid storage, and it is stocked at four plants so we can route it from the one closest to you. As shipped it stands 193 inches tall - about 16 ft 1 in - on a 141-inch diameter base (141 x 141 inch footprint), roughly 11 ft 9 in across. It carries a 1.5 specific gravity rating, meaning the wall is built to hold contents up to 1.5 times the weight of water. Filled with straight water it holds roughly 100,080 pounds, while the structure is rated to support contents up to 150,120 pounds.
Does it work for your site?
At 12,000 gallons, this vertical storage tank suits bulk water reserves, agricultural supply, process makeup water, and rural fire-protection reservoirs. It ships with a 22-inch lid; outlet, bulkhead fitting sizes, and gasket selection should be confirmed against the technical drawing on this page before you order, rather than assumed. Note the as-shipped height: a 193-inch (16 ft) load is a real clearance and permitting concern for both delivery access and your final siting, so check overhead and gate clearance early. Run your volume through the Tank Sizing Calculator and review the Tank Sizing Guide to confirm 12,000 gallons matches your draw-down and refill cycle.
Plan the foundation before delivery
A tank carrying 100,080 pounds of water on a 141 x 141 inch footprint demands a properly engineered base. A flat, level, fully supporting pad is not optional at this size. Our guide on concrete pad sizing for above-ground polyethylene tanks walks through the ACI 360R-10 framework so your slab carries the load without point-stressing the tank floor. If this is going into a private fire-protection stack, the fire-water reservoir design guide covers NFPA 22 sizing discipline and cold-climate freeze protection - worth reading before any outdoor cold-weather install. For reuse setups blending grey-water, rainwater, or HVAC condensate, see the industrial water reuse tank topology guide.
The mistake to avoid
The most common error on a tank this large is treating it like a smaller poly tank you can set on compacted gravel. At 100,080 pounds full, an uneven or undersized base concentrates load on the tank floor and is the leading cause of premature stress on big verticals. Match the pad to the full 141 x 141 inch footprint, confirm it is dead level, and never partially support the floor. If you intend to store a liquid heavier than water, the 1.5 specific gravity rating is a hard ceiling - this tank is rated to that limit, and exceeding it is unsafe. Want the full walkthrough? Read the 12000 Gallon Vertical Liquid Storage Tank buyer's guide.
This Norwesco vertical storage tank ships LTL freight, quoted live to your ZIP code, from the nearest of our four stocking plants: Fairfield, TX; Hanford, CA; St. Bonifacius, MN; or Washington Court House, OH. Get a quote with our Freight Cost Estimator, or call 866-418-1777 and our team will route your tank from the closest plant to keep transit time and freight cost down.
3 Year Warranty
