The Enduraplas 1350 Gallon Green Vertical Storage Tank (SKU THV01350G) is a polyethylene bulk-water tank built for rural water supply, fire-water reserve, irrigation, and general above-ground storage. It holds 1,350 gallons, stands 71 inches tall, and sits on an 85-inch-diameter base inside an 85 x 85 inch footprint. The green tint cuts light penetration to slow algae growth in stored water. This page lists the specs you need to confirm fit, weight, and freight before you order this vertical storage tank.
Will it work for your site?
Filled with water, this tank carries roughly 11,259 pounds of contents. That number drives everything underneath it: pour a square pad at least 85 x 85 inches so the slab is flat, level, and continuous across the full 85-inch-diameter base, with no point loads or voids under the tank. Work through the engineering before you pour - our concrete pad sizing guide (ACI 360R-10 framework) walks the boundary between a slab-on-grade pad and a structurally designed foundation. If you are still settling on capacity versus footprint, run the numbers in the Tank Sizing Calculator or read the Tank Sizing Guide first.
Specific gravity and what it means here
This tank carries a 1.9 specific gravity rating, and the maximum rated contents weight is 21,392 pounds. That is the headroom for liquids heavier than water - a 1.9 SG rating means the wall is built to hold contents up to 1.9 times the density of water without exceeding its design load. For plain water (SG 1.0) you are nowhere near that limit, which is exactly why this tank suits long-term water storage. The mistake to avoid: do not read the 1.9 rating as a license to store any chemical. Specific gravity only addresses weight - it says nothing about whether the polyethylene resin resists a given chemical. This is a water tank; keep it in water service. If your contents run heavier than water, run the load through the Tank Sizing Calculator to confirm you stay within the 21,392 lb max rated contents weight, and call 866-418-1777 to confirm the right tank for the job.
Fire-water, reuse, and cold-climate service
At 1,350 gallons this tank is a common building block for rural and remote fire-water reserves, where a polyethylene reservoir feeds a private fire-protection stack. If that is your use case, the fire-water reservoir design guide covers NFPA 22 sizing discipline and cold-climate freeze protection. This is a closed above-ground tank with no integrated heat or insulation; in freezing climates you must add freeze protection - heat trace, insulation, or a heated enclosure. For greywater, rainwater, or HVAC condensate capture, the industrial water reuse topology guide shows how a vertical storage tank fits a quality-banded storage train.
Fittings and dimensions to confirm before you order
Fitting and outlet configuration is not specified on this listing - call 866-418-1777 to confirm the inlet, outlet, lid, and vent before ordering, and to add any bulkhead fittings or gaskets you need. See the technical drawing on this page for layout reference. Dimensions: 71 inches tall by 85 inches in diameter, empty footprint 85 x 85 inches. Confirm your access path and pad clearance before scheduling LTL delivery.
This Enduraplas vertical storage tank ships LTL freight, quoted live to your ZIP from the nearest Enduraplas plant - Converse, TX or Neche, ND. Get a freight number for your ZIP with the Freight Cost Estimator, or call 866-418-1777 to confirm specs and schedule delivery.
