The 4000 Gallon Vertical Liquid Storage Tank from Norwesco is a 4,000-gallon polyethylene vertical tank built for bulk water and liquid storage where a large, stable above-ground footprint makes sense. It stands 125 inches tall on a 102-inch-diameter base, and the molded polyethylene wall is rated to a specific gravity of 1.5 - it is engineered to hold contents heavier than water, which gives you headroom across a range of liquids without pushing the tank past its design limit. If you are sizing a vertical storage tank for a rural site, a farm, or a fire-water reservoir, this is one of the workhorse sizes Norwesco runs.
Will it work for your site?
Plan around the loaded weight, not the empty shell. At full nominal capacity with water, this tank carries roughly 33,360 lb of contents. The specific-gravity rating is where the bigger number comes from: rated to hold liquids up to 1.5 specific gravity, at this volume that is the 50,040 lb max-rated contents figure - so SG 1.5 and 50,040 lb are the same statement, not two separate claims. That is a real structural load, so the pad underneath has to be sized for it. The 102-inch-diameter footprint is your planning circle for that pad, and our concrete pad sizing guide walks through the ACI 360R-10 framework for above-ground polyethylene tanks. If you are still comparing capacities and dimensions, run the numbers through our Tank Sizing Calculator or read the Tank Sizing Guide first.
Specs and intended use
This is a Norwesco vertical storage tank at the 4000-gallon size: 125 inches tall, 102 inches in diameter, polyethylene, SG 1.5. At 125 inches - roughly 10.4 feet - tall, plan ladder and fill access and overhead clearance for the dome fitting before the tank is set. For the exact fitting and port configuration, refer to the OEM technical drawing on this page; it is the manufacturer's source of truth for this model. Common applications for a vertical tank this size include rural water supply, irrigation reserve, and private fire protection storage. If a fire-water reservoir is your use case, the fire-water reservoir tank design guide covers NFPA 22 sizing discipline and cold-climate freeze protection. For greywater, rainwater, or HVAC condensate aggregation, the industrial water reuse topology guide shows how a bulk tank like this fits into a banded storage train. For a full walk-through of this exact size, see the 4000 Gallon Vertical Liquid Storage Tank buyer's guide.
The mistake to avoid
The most common error at this size is treating the pad and the delivery as afterthoughts. A 4,000-gallon tank that can hold up to 50,040 lb of contents needs a properly engineered, level pad - settling or an undersized base is what cracks fittings and undermines an otherwise good install. Confirm your pad before the tank arrives, not after.
This tank ships LTL freight from a single Norwesco plant in Owego, NY, quoted live to your ZIP. Because it ships from one origin, freight scales with distance - so long-haul ZIPs should get a realistic number up front with our Freight Cost Estimator, or call 866-418-1777 and we will quote it for you. Listed before freight - we will line up the delivery to your site.
3 Year Warranty
