If you require high-capacity 20,000 litre water tanks for agricultural, commercial or industrial applications, our premium range provides robust, long-lasting storage engineered to handle demanding environments. Designed for efficient water management, these tanks offer outstanding durability, impressive structural strength and reliable performance year after year.
A 20000 litre water tank is an excellent choice when you need large-scale storage for rainwater, potable water or non-potable applications. With a generous capacity and heavy-duty construction, these tanks are suited to farms, commercial sites, factories, construction sites and remote installations.
High-volume storage – Ideal for irrigation, livestock supply, industrial water use or large rainwater harvesting systems.
Reduced refill frequency – Perfect for sites requiring a consistent, dependable water source.
Robust, UK-ready construction – Designed to withstand harsh weather, UV exposure and challenging site conditions.
Cost-effective water management – Supports sustainable practices by reducing mains water reliance.
Low-maintenance design – Simple to install, easy to clean and engineered for long-term performance.
At The Tank Shop, we offer a carefully selected range of 20000 litre water tanks from trusted UK manufacturers. Each tank is rotationally moulded from high-grade materials that provide excellent structural integrity and long-term reliability.
UV-stabilised, heavy-duty polyethylene for maximum durability
Rigid ribbed walls to enhance strength and stability
Secure screw-down or lockable lids to protect stored water
Integrated outlet fittings for straightforward plumbing connections
Optional upgrades including brass taps, filters, gauges and rainwater diverters
Suitable for both non-potable and potable water (depending on model)
Purpose-built for agricultural, commercial and industrial sites
These tanks are built to handle significant volumes of water in challenging conditions while remaining easy to manage and maintain.
Our collection includes models specifically designed for:
Manufactured using food-safe, WRAS-approved materials
Suitable for welfare units, catering, temporary accommodation and emergency supply
Designed to keep drinking water clean, safe and secure
Ideal for irrigation, wash-down systems, pressure washers, livestock needs and rainwater harvesting
More cost-effective for general-purpose water storage
Popular with farms, nurseries and commercial operators
A 20000 litre water tank offers the capacity needed for a wide range of demanding applications:
Livestock watering systems
Crop irrigation networks
Machinery and equipment wash-down
Borehole and rainwater harvesting storage
Factory process water
Construction site water supply
Dust suppression systems
Laundries and wash stations
Welfare unit and sanitation support
Large-scale rainwater harvesting
Garden irrigation for estates or country homes
Emergency reserve water storage
Wherever large-volume water storage is needed, these tanks deliver dependable capacity and durability.
With over two decades of experience supplying water tanks across the UK, The Tank Shop is trusted by homeowners, farmers and commercial operators who depend on long-lasting, reliable water storage solutions.
Expert advice from experienced specialists
Competitive prices on high-capacity tanks
Fast, nationwide delivery
Trusted UK manufacturers known for structural stability and durability
Clear product specifications and installation guidance
Our team is committed to helping you find the right tank for your site, with dependable support from selection to delivery.
Before ordering, consider the following:
Ensure the tank sits on a level, solid base capable of supporting the weight of 20,000 litres of water.
Potable or non-potable? Choose a model that meets the correct standards for your intended use.
Check outlet size, inlet position, and whether you need additional accessories such as pumps, filters or gauges.
20,000 litre tanks are large units. Confirm that your site has suitable access for delivery vehicles and placement.
All tanks are UV-stabilised, but site positioning can influence long-term performance and maintenance requirements.
Explore our complete collection of 20000 litre water tanks and choose the ideal solution for your farm, commercial premises, industrial site or large domestic property. Each product offers detailed specifications, dimensions and installation information to support confident, informed purchasing.
If you need expert advice on selecting the right tank or planning your installation, our friendly team is here to help.