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    Potable Water Tanks

    A potable water tank, also known as a drinking water tank, is designed to store and dispense clean drinking water as required. As these tanks store water for human consumption, it’s vital that they meet certain conditions to be considered safe. Here you can find a wide range of potable tanks in a comprehensive choice of sizes, all fully compliant with relevant regulations.

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    4 Litre Water Tank
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    4 Litre Water Tank

    Price 39.50 47.40 inc VAT

    4 litre water tank - standard specification is natural translucent finish with 2 1/4" lid with seal and a 1/2" outlet. Large range of colours available to order

    Available in sizes from 4 to 5,500 litres. Most commonly used as a water storage tank but suitable for a variety of uses including chemical storage tanks, please contact us for more information. This range of storage tanks are rotationally moulded polyethylene (MDPE Medium Density Polyethylene) that creates a high quality, tough and durable product that will provide many years of use.  The larger water tanks are baffled to add strength and reduce water movement. 

    These storage tanks have a wide range of uses including: Water tank, Baffled water tank, Chemical tank, Rainwater harvesting, Car valeting tank, Window cleaning tank, Potable drinking water tank (most tanks are made from WRAS approved polymer), Trailer tank, Water bowser, Food grade tank or Camper / motorhome tank.

    Most tanks are fitted with a brass or nickle plated brass BSP threaded insert to allow easy connection of fittings and pipework, additional plastic BSP sockets can be fusion welded into the tanks.  Standard tanks are made from semi-transluscent polymer but a wide range of colours are also available to order.  Lids can be either vented or unvented depending on the application.

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    5 Litre Water Tank
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    5 Litre Water Tank

    Price 38.80 46.56 inc VAT

    5 litre water tank - standard specification is natural translucent finish, 4" vented lid with seal and a 1/2" outlet Large range of colours available to order

    Available in sizes from 4 to 5,500 litres. Most commonly used as a water storage tank but suitable for a variety of uses including chemical storage tanks, please contact us for more information. This range of storage tanks are rotationally moulded polyethylene (MDPE Medium Density Polyethylene) that creates a high quality, tough and durable product that will provide many years of use.  The larger water tanks are baffled to add strength and reduce water movement. 

    These storage tanks have a wide range of uses including: Water tank, Baffled water tank, Chemical tank, Rainwater harvesting, Car valeting tank, Window cleaning tank, Potable drinking water tank (most tanks are made from WRAS approved polymer), Trailer tank, Water bowser, Food grade tank or Camper / motorhome tank.

    Most tanks are fitted with a brass or nickle plated brass BSP threaded insert to allow easy connection of fittings and pipework, additional plastic BSP sockets can be fusion welded into the tanks.  Standard tanks are made from semi-transluscent polymer but a wide range of colours are also available to order.  Lids can be either vented or unvented depending on the application.

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    8 Litre Water Tank
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    8 Litre Water Tank

    Price 41.10 49.32 inc VAT

    8 litre water tank - standard specification is natural translucent finish, 2 vented lid with seal and a 1/2" outlet Large range of colours available to order

    Available in sizes from 4 to 5,500 litres. Most commonly used as a water storage tank but suitable for a variety of uses including chemical storage tanks, please contact us for more information. This range of storage tanks are rotationally moulded polyethylene (MDPE Medium Density Polyethylene) that creates a high quality, tough and durable product that will provide many years of use.  The larger water tanks are baffled to add strength and reduce water movement. 

    These storage tanks have a wide range of uses including: Water tank, Baffled water tank, Chemical tank, Rainwater harvesting, Car valeting tank, Window cleaning tank, Potable drinking water tank (most tanks are made from WRAS approved polymer), Trailer tank, Water bowser, Food grade tank or Camper / motorhome tank.

    Most tanks are fitted with a brass or nickle plated brass BSP threaded insert to allow easy connection of fittings and pipework, additional plastic BSP sockets can be fusion welded into the tanks.  Standard tanks are made from semi-transluscent polymer but a wide range of colours are also available to order.  Lids can be either vented or unvented depending on the application.

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    12 Litre Water Tank
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    12 Litre Water Tank

    Price 41.60 49.92 inc VAT

    12 litre water tank - Standard specification is natural translucent finish, 2 " Buttress Cap and a " outlet. Large range of colours available to order

    Available in sizes from 4 to 5,500 litres. Most commonly used as a water storage tank but suitable for a variety of uses including chemical storage tanks, please contact us for more information. This range of storage tanks are rotationally moulded polyethylene (MDPE Medium Density Polyethylene) that creates a high quality, tough and durable product that will provide many years of use.  The larger water tanks are baffled to add strength and reduce water movement. 

    These storage tanks have a wide range of uses including: Water tank, Baffled water tank, Chemical tank, Rainwater harvesting, Car valeting tank, Window cleaning tank, Potable drinking water tank (most tanks are made from WRAS approved polymer), Trailer tank, Water bowser, Food grade tank or Camper / motorhome tank.

    Most tanks are fitted with a brass or nickle plated brass BSP threaded insert to allow easy connection of fittings and pipework, additional plastic BSP sockets can be fusion welded into the tanks.  Standard tanks are made from semi-transluscent polymer but a wide range of colours are also available to order.  Lids can be either vented or unvented depending on the application.

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    18 Litre Water Tank
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    18 Litre Water Tank

    Price 52.70 63.24 inc VAT

    18 litre water storage tank - standard specification is natural translucent finish,  1/2" BSP - brass nickel plated outlet and 6" screw cap. Large range of colours available to order.

    Available in sizes from 4 to 5,500 litres. Most commonly used as a water storage tank but suitable for a variety of uses including chemical storage tanks, please contact us for more information. This range of storage tanks are rotationally moulded polyethylene (MDPE Medium Density Polyethylene) that creates a high quality, tough and durable product that will provide many years of use.  The larger water tanks are baffled to add strength and reduce water movement.

    These storage tanks have a wide range of uses including: Water tank, Baffled water tank, Chemical tank, Rainwater harvesting, Car valeting tank, Window cleaning tank, Potable drinking water tank (most tanks are made from WRAS approved polymer), Trailer tank, Water bowser, Food grade tank or Camper / motorhome tank.

    Most tanks are fitted with a brass or nickle plated brass BSP threaded insert to allow easy connection of fittings and pipework, additional plastic BSP sockets can be fusion welded into the tanks.  Standard tanks are made from semi-transluscent polymer but a wide range of colours are also available to order.  Lids can be either vented or unvented depending on the application.

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    20 Litre Water Tank
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    20 Litre Water Tank

    Price 55.60 66.72 inc VAT

    20 litre water tank - standard specification is natural translucent finish,  1/2" BSP - brass nickel plated outlet and 4" vented screw cap. Large range of colours available to order.

    Available in sizes from 4 to 5,500 litres. Most commonly used as a water storage tank but suitable for a variety of uses including chemical storage tanks, please contact us for more information. This range of storage tanks are rotationally moulded polyethylene (MDPE Medium Density Polyethylene) that creates a high quality, tough and durable product that will provide many years of use.  The larger water tanks are baffled to add strength and reduce water movement.

    These storage tanks have a wide range of uses including: Water tank, Baffled water tank, Chemical tank, Rainwater harvesting, Car valeting tank, Window cleaning tank, Potable drinking water tank (most tanks are made from WRAS approved polymer), Trailer tank, Water bowser, Food grade tank or Camper / motorhome tank.

    Most tanks are fitted with a brass or nickle plated brass BSP threaded insert to allow easy connection of fittings and pipework, additional plastic BSP sockets can be fusion welded into the tanks.  Standard tanks are made from semi-transluscent polymer but a wide range of colours are also available to order.  Lids can be either vented or unvented depending on the application.

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    25 Litre Water Tank
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    25 Litre Water Tank

    Price 56.30 67.56 inc VAT

    25 litre water tank, standard specification is natural translucent finish with 8" screw cap, no outlet. Large range of colours available to order.

    Available in sizes from 4 to 5,500 litres. Most commonly used as a water storage tank but suitable for a variety of uses including chemical storage tanks, please contact us for more information. This range of storage tanks are rotationally moulded polyethylene (MDPE Medium Density Polyethylene) that creates a high quality, tough and durable product that will provide many years of use.  The larger water tanks are baffled to add strength and reduce water movement.

    These storage tanks have a wide range of uses including: Water tank, Baffled water tank, Chemical tank, Rainwater harvesting, Car valeting tank, Window cleaning tank, Potable drinking water tank (most tanks are made from WRAS approved polymer), Trailer tank, Water bowser, Food grade tank or Camper / motorhome tank.

    Most tanks are fitted with a brass or nickle plated brass BSP threaded insert to allow easy connection of fittings and pipework, additional plastic BSP sockets can be fusion welded into the tanks.  Standard tanks are made from semi-transluscent polymer but a wide range of colours are also available to order.  Lids can be either vented or unvented depending on the application.

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    36 Litre Water Tank
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    36 Litre Water Tank

    Price 61.70 74.04 inc VAT

    36 Litre water tank is suitable for storage and transportation of potable water and a wide range of other liquids. Standard specification is natural translucent finish,  6" vented screw cap and 3/4" outlet. 

    Available in sizes from 4 to 5,500 litres. Most commonly used as a water storage tank but suitable for a variety of uses including chemical storage tanks, please contact us for more information. This range of storage tanks are rotationally moulded polyethylene (MDPE Medium Density Polyethylene) that creates a high quality, tough and durable product that will provide many years of use.  The larger water tanks are baffled to add strength and reduce water movement.

    These storage tanks have a wide range of uses including: Water tank, Baffled water tank, Chemical tank, Rainwater harvesting, Car valeting tank, Window cleaning tank, Potable drinking water tank (most tanks are made from WRAS approved polymer), Trailer tank, Water bowser, Food grade tank or Camper / motorhome tank.

    Most tanks are fitted with a brass or nickle plated brass BSP threaded insert to allow easy connection of fittings and pipework, additional plastic BSP sockets can be fusion welded into the tanks.  Standard tanks are made from semi-transluscent polymer but a wide range of colours are also available to order.  Lids can be either vented or unvented depending on the application.

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    50 Litre Water Tank
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    50 Litre Water Tank

    Price 72.10 86.52 inc VAT

    50 litre water tank - natural translucent finish,  3/4" BSP outlet and a spring vented 6" lid. Large range of colours available to order.

    Available in sizes from 4 to 5,500 litres. Most commonly used as a water storage tank but suitable for a variety of uses including chemical storage tanks, please contact us for more information. This range of storage tanks are rotationally moulded polyethylene (MDPE Medium Density Polyethylene) that creates a high quality, tough and durable product that will provide many years of use.  The larger water tanks are baffled to add strength and reduce water movement.

    These storage tanks have a wide range of uses including: Water tank, Baffled water tank, Chemical tank, Rainwater harvesting, Car valeting tank, Window cleaning tank, Potable drinking water tank (most tanks are made from WRAS approved polymer), Trailer tank, Water bowser, Food grade tank or Camper / motorhome tank.

    Most tanks are fitted with a brass or nickle plated brass BSP threaded insert to allow easy connection of fittings and pipework, additional plastic BSP sockets can be fusion welded into the tanks.  Standard tanks are made from semi-transluscent polymer but a wide range of colours are also available to order.  Lids can be either vented or unvented depending on the application.

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    65 Litre Water Tank
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    65 Litre Water Tank

    Price 77.50 93.00 inc VAT

    65 Litre Water tanks are suitable for storage and transportation of potable water and a wide range of other liquids. Standard tank is natural translucent medium density polyethylene with a 3/4" BSP outlet and 5" non vented cap. Large range of colours available to order.

    Available in sizes from 4 to 5,500 litres. Most commonly used as a water storage tank but suitable for a variety of uses including chemical storage tanks, please contact us for more information. This range of storage tanks are rotationally moulded polyethylene (MDPE Medium Density Polyethylene) that creates a high quality, tough and durable product that will provide many years of use.  The larger water tanks are baffled to add strength and reduce water movement.

    These storage tanks have a wide range of uses including: Water tank, Baffled water tank, Chemical tank, Rainwater harvesting, Car valeting tank, Window cleaning tank, Potable drinking water tank (most tanks are made from WRAS approved polymer), Trailer tank, Water bowser, Food grade tank or Camper / motorhome tank.

    Most tanks are fitted with a brass or nickle plated brass BSP threaded insert to allow easy connection of fittings and pipework, additional plastic BSP sockets can be fusion welded into the tanks.  Standard tanks are made from semi-transluscent polymer but a wide range of colours are also available to order.  Lids can be either vented or unvented depending on the application.

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    75 Litre Water Tank
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    75 Litre Water Tank

    Price 88.00 105.60 inc VAT

    75 Litre Water tanks are suitable for storage and transportation of potable water and a wide range of other liquids. Standard tank is natural translucent finish, 8" internal vented lid and 3/4" BSP outlet. Large range of colours available to order.

    Available in sizes from 4 to 5,500 litres. Most commonly used as a water storage tank but suitable for a variety of uses including chemical storage tanks, please contact us for more information. This range of storage tanks are rotationally moulded polyethylene (MDPE Medium Density Polyethylene) that creates a high quality, tough and durable product that will provide many years of use.  The larger water tanks are baffled to add strength and reduce water movement.

    These storage tanks have a wide range of uses including: Water tank, Baffled water tank, Chemical tank, Rainwater harvesting, Car valeting tank, Window cleaning tank, Potable drinking water tank (most tanks are made from WRAS approved polymer), Trailer tank, Water bowser, Food grade tank or Camper / motorhome tank.

    Most tanks are fitted with a brass or nickle plated brass BSP threaded insert to allow easy connection of fittings and pipework, additional plastic BSP sockets can be fusion welded into the tanks.  Standard tanks are made from semi-transluscent polymer but a wide range of colours are also available to order.  Lids can be either vented or unvented depending on the application.

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    80 Litre Water Tank
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    80 Litre Water Tank

    Price 84.30 101.16 inc VAT

    80 Litre Water tanks are suitable for storage and transportation of potable water and a wide range of other liquids. Stock tank is natural translucent finish with an 8" vented lid and 3/4" BSP outlet. Large range of colours available to order.

    Available in sizes from 4 to 5,500 litres. Most commonly used as a water storage tank but suitable for a variety of uses including chemical storage tanks, please contact us for more information. This range of storage tanks are rotationally moulded polyethylene (MDPE Medium Density Polyethylene) that creates a high quality, tough and durable product that will provide many years of use.  The larger water tanks are baffled to add strength and reduce water movement.

    These storage tanks have a wide range of uses including: Water tank, Baffled water tank, Chemical tank, Rainwater harvesting, Car valeting tank, Window cleaning tank, Potable drinking water tank (most tanks are made from WRAS approved polymer), Trailer tank, Water bowser, Food grade tank or Camper / motorhome tank.

    Most tanks are fitted with a brass or nickle plated brass BSP threaded insert to allow easy connection of fittings and pipework, additional plastic BSP sockets can be fusion welded into the tanks.  Standard tanks are made from semi-transluscent polymer but a wide range of colours are also available to order.  Lids can be either vented or unvented depending on the application.

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    Potable Water Tanks

    Plastic Drinking Water Storage Tanks

    Potable water tanks are typically constructed from high quality, UV stabilised MDPE. In structure, these tanks do not differ significantly from ordinary water tanks, with the main difference being in the composition of the materials and the various safety standards that a tank containing water for human consumption must adhere to.

    Potable water tanks are useful for a wide range of applications, wherever a source of drinking water is required at a location where access to mains water is limited or unavailable. This could be anything from a rural residency without running water or a commercial or work site where the water supply is similarly unavailable or insufficient to support the workforce. We supply a full choice of potable water tanks in a wide variety of capacities, from small to large potable water tanks, as well as potable bowsers suitable for transport, and are happy to advise on which option is right for your needs..

    What Kind of Potable Water Do I Need?

    What kind of potable water tank you require depends on your intended use for the tank. Specifically, you should consider how many individual people the tank will serve, as well as for how long access will be required. With these two parameters considered, you can select the correct capacity from our wide selection. We stock tanks in capacities ranging from small and convenient 1-100 litre potable tanks, up to large potable water tanks able to store almost 10,000 litres. As you might expect, our smaller tanks are perfect for transport whereas our largest tanks are more suited to the semi-permanent installation at a site. 

    As they contain a non-harmful substance, but one which must be kept secure from contamination in all instances, potable water tanks prioritise ease of access and cleanliness. Our tanks can all be connected to fittings and pipework in order to create a semi-permanent supply of water at a site. They can also be connected to a valve tap to allow the easy and secure drawing of water at the tank itself. 

    All of our potable water tanks are composed of plastic, specifically high-grade medium density polyethylene, which is the preferred material where water purity and protection from contamination is a pressing concern.

    What is the Difference Between a Potable and Non-Potable Water Tank?

    On the face of it, potable water tanks do not look much different from other water tanks. They are both normally single-skin plastic tanks. The difference between the two is in the plastic composition used and the various structural features which prevent contamination. 

    It is the kind of plastic used to line the inside of the tank that is most important. In non-potable tanks, the inside lining is composed of a porous plastic that could collect bacteria and thereby infect the water. Potable water tanks instead use a completely nonporous plastic that also does not leach any contaminants into the water. This also makes them easier to clean.

    Fully Compliant Potable Water Tanks

    Our potable water tanks conform to all the safety regulations that govern the manufacture of all the tanks on offer at Northern Tank Store. Our potable water tanks are CE marked, which means they conform to strict ISO regulations, have been thoroughly inspected for defects, and have passed all the relevant pneumatic pressure tests. 

    However, potable water tanks must also conform to the Water Regulations Advisory Scheme (WRAS), which acts as a guarantee that the water is safe for drinking. You can be assured that all of our potable water tanks meet this legal requirement.

    Potable Water Tanks at Northern Tank Store

    At Northern Tank Store we stock potable water tanks from top brands such as Harlequin Plastics, Platinum Tanks and Wydale Plastics as part of our wider and fully comprehensive range of water tanks and accessories. We also offer a bespoke design and build service if you require a specialist solution not available in our standard range. If you have any queries about purchasing a potable water tank, get in touch with our expert team who will be happy to assist you.


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