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20,000 Litre Water Tanks


Our 20,000 litre water tanks in the UK are designed for high-volume water storage across agricultural, commercial and industrial applications. Offering substantial capacity for rainwater harvesting, irrigation systems, potable supply and emergency water backup, these tanks provide a dependable long-term storage solution where demand is high.

Manufactured from heavy-duty, UV-stabilised polyethylene, our 20,000 litre tanks are built to withstand UK weather conditions and continuous outdoor use. Available in vertical and underground configurations, they can be integrated with pumps, filtration systems, booster sets and drainage networks to create a complete water management system.

Whether you are managing a farm, commercial premises, large property or development site, a 20,000 litre tank ensures consistent supply and improved water resilience.

Key Features of Our 20,000 Litre Water Tanks

  • Extra-large 20,000 litre storage capacity

  • Suitable for rainwater harvesting and mains water backup

  • Available for potable and non-potable applications

  • UV-stabilised for long-term outdoor durability

  • Compatible with irrigation systems and high-demand pump setups

  • Strong, impact-resistant construction

Designed for reliability and efficiency, these tanks offer a cost-effective solution for bulk water storage in demanding environments.

20000 Litre (2 x 10K) Fire Water Tank - BSRT
SAVE 20%
SAVE £726.22
20,000 Litre Total Access Water Tank - Non Potable
SAVE 20%
SAVE £700.50
20,000 Litres Fire Water Tank
SAVE 20%
SAVE £549.00
20,000 Litres Fire Water Tank
£2,196.00 £2,745.00
100,000 Litre (5 x 20,000 Litres) Water Tank - Non Potable
SAVE 20%
SAVE £3,363.37
40000 Litres (2 x 20000 Litre) WRAS Approved Water Tank
SAVE 20%
SAVE £1,149.75
20000 Litre Category 5 Water Tank
SAVE 20%
SAVE £859.50
2 x 20000 Litre Water Tank - Non Potable
SAVE 20%
SAVE £1,098.00
40000 Litre Fire Tank System - Instant Connect
SAVE 20%
SAVE £1,375.07
20000 Litre Fire Tank System - Instant Connect
SAVE 20%
SAVE £676.22
20,000 Litre Sprayer Tank
SAVE 20%
SAVE £638.75
20,000 Litre Sprayer Tank
£2,555.00 £3,193.75
20000 Litre (2 x 10K) Fire Water Tank - Instantaneous Connections
SAVE 20%
SAVE £676.22
20000 Litre WRAS Approved Water Tank
SAVE 20%
SAVE £576.30
20,000 Litre Water Tank - Non Potable
SAVE 20%
SAVE £549.00