25,000 Litre Potable Drinking Water Tank – WRAS Approved 


In Stock


  • WRAS approved, supplied with a Bye-law 30 kit (Bye-law 60 in Scotland)
  • Type AB Airgap can be fitted to all WRAS approved tanks as an optional extra
  • Available in black or boat blue colour options only
  • Lid: 620mm
  • Supplied as standard with a 2” Outlet 177820 (other options available)
  • Dimensions (mm) 3450 dia x 3200 h
  • 100% rust proof
  • UK manufactured
  • Supplied direct from stock for fast delivery
  • Guaranteed for 10 years

Does your project need to meet Fluid Category 5 regulations?

Please note: Tank sizes quoted are subject to a +/- 3% variation


Outlet Options *

WRAS approved BSP Plastic Tank Connectors

Ball Valve

WRAS Approved

Float Valve *

WRAS Approved

Customer Offloading *

It is the customers responsibility to offload, a HIAB is available for an additional fee

25,000 Litre Potable Drinking Water Tank

Enduramaxx’s 10,000 Litre Potable Drinking Water Tank – WRAS Approved is 3450mm dia x 3200mm H and constructed from the MDPE polyethene which is UV stabilised.  This tank is a one piece, seamless, rotationally moulded tank which guarantees strength, impacts resistance, durability and many years of use.  

Uses for this 25,000 Litre Potable Water Tank:  

  • Bulk water storage  
  • Back-up emergency drinking water supply  
  • Food industry  
  • Brewing and winemaking sectors  
  • Temporary water supply for events and festivals  
  • Domestic water solutions  
  • Civil engineering applications where mains water is unavailable  

 WRAS Approved Drinking Water Tank  

All our 25,000-litre drinking water tank are WRAS(Water Regulations Advisory Scheme) approved and are available in black, boat blue or natural only. Our water tanks are all fully DWI approved and meet the specific requirements of Regulation 31.   

Fluid Category 5 Tanks  

In many installations, potable drinking water tanks which are connected to the mains water supply will need to be fluid category 5 approved.  More details on tank installations which come under this are available here.  We have options for these tanks here as well as insulation options for the water tanks to prevent thermal gain and loss.  

Equipment Mounting and Customisation  

The 25,000-litre drinking water tank is available with tank modifications options to suit your project.  Liquid level sensor assemblies, fill pipes, BSP threaded inlets, outlets, PN16 and ANSI flanges, welded sockets and as well as fume proof lids and vents are available for this 25,000l water tank.  

Delivery of Your Water Tank  

Our 25,000 litre drinking water tanks are manufactured by Enduramaxx at our factory in Lincolnshire. Most of these water tanks are stocked for collection or quick delivery throughout the UK. We are available to deliver to site for installers to save double handling of these tanks. in some cases where clients can’t offload the tank, we can offer Hiab deliveries which are priced upon request.  Please view our installation guide here 

How big is a 25,000 Litre Potable Drinking Water Tank?

Capacity  25,000 Litres 
Diameter  3450mm
Height  3200mm 
Outlet  2″ plastic male outlet with other options available
Lid  620mm dia lid 


Additional information

Dimensions 345 × 345 × 320 cm
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