Our collection of 5000 to 9999 litre water tanks is designed for high-demand environments where water security is critical. These ultra-high-capacity tanks are the backbone of many agricultural, industrial, and commercial operations across the UK. Whether you are harvesting rainwater from a large warehouse roof or storing a strategic reserve for a manufacturing process, these tanks offer the durability and volume required for large-scale liquid management.
In many commercial and agricultural sectors, standard storage isn't enough. Our 5000L+ range includes specialized configurations to meet strict UK regulations:
CAT 5 AB Air Gap Tanks: Designed specifically for high-risk applications where backflow prevention is a legal requirement.
WRAS Approved Potable Tanks: Safe for drinking water and livestock, manufactured from food-grade polyethylene that won't taint the supply.
Underground Storage: For sites where visual impact must be minimized or ground space is at a premium, we offer reinforced tanks suitable for subterranean installation.
Fire-Fighting Tanks: Large-volume reserves often required by insurance or local fire authorities for rural properties and commercial sites.
We work exclusively with industry leaders like Enduramaxx, Harlequin, and UKPLAS to provide tanks that are built to last. Made using a seamless, rotational moulding process, these tanks have no weak joints or welds. The UV-stabilized plastic ensures that even after years in direct sunlight, the tank will not crack or degrade, while dark colour options prevent algae growth by blocking out natural light.
Installing a 5-tonne (or larger) load requires careful site preparation. A 5000L tank must be sited on a level, smooth, reinforced concrete base to prevent structural stress. At The Tank Shop, we provide full technical support—from selecting the right outlet valves to advising on byelaw kits—ensuring your high-capacity storage is safe, compliant, and efficient.