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A part of the EJ Group of Companies

EJ is the world leader in the design, manufacture and distribution of access solutions

EJ is the global leader in the design, manufacture, and distribution of access solutions for the world’s growing infrastructure. From water and sewer, to drainage, telecommunication, and utility projects, EJ has the solution to fit your project’s needs.

The EJ legacy dates back to 1883 when our first manufacturing facility was built in East Jordan, Michigan, USA. Decades later, we are now a global enterprise that spans six continents – promoting innovation, quality, and a commitment to customer service.

Visit EJ here:

​Surface Water Drainage manufactured in the UK, made from 100% recyclable parts, sourced in the UK

Surface Water Drainage Manufacturers based in the UK.

​Our Linear Surface Water Drainage System, Swarm Aqua® is an innovative and patented system designed to save time and money on site.

Over 100 years of industry experience.

Our sales and technical team have been working within the drainage industry for a combined total of over 100 years.

All load ratings up to F900kN

Our products can cater for almost any surface finish and any load rating.

Swarm Water Management® are a UK based manufacturer of surface water drainage products to cater for anything from low to High Capacity drainage requirements. We focus on providing an all-encompassing solution to contractors in order to bring value and efficiency to every project.

​​Our Linear Surface Water Drainage System, Swarm Aqua® is an innovative and patented system designed to save time and money on site.

Swarm Water Management® was started by a group of individuals who have a combined industry experience of over 100 years. We believe that through experience within the industry, combined with technical expertise in surface water drainage products, Swarm Water Management® is uniquely placed within the industry to provide products and solutions that are competitively priced, quick and simple to install, and will save time and money on site.

Surface Water Drainage. No Fuss.

Sleek  |  Modern  |  Straightforward  |  Competitive  |  D400/F900

Did you know?

Surface water drainage is an important part of water management on every project. Swarm Water Management Ltd are the sole manufacturers of the Swarm Aqua® system. If your project requires surface water drainage, linear drainage or any other type of drainage then let our team of experts help you by saving you time and money on-site.
Swarm Aqua® is a hybrid linear slot type drainage system with a wide range of applications from small residential sites to the largest industrial plots.



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In-house technical design service.

We can provide take-offs and quotations based on the smallest sketch, to the largest project overview.

Our own drainage calculator.

Ask us for a FREE copy of AquaCALC, our own surface water drainage calculator.

Meet The Team

Justin Carter

Divisional Manager

T: 07895004991

David Cash

Regional Manager
Midlands & North Region
T: 07506020577

Ian Leadbeter

Regional Manager
London & Central Region
T: 07592512284

Our highly experienced team is on hand to give seminars and presentations regarding our own Swarm Aqua® system. With a background in linear drainage and a wealth of knowledge, we are able to answer all of your questions so that specifying or installing Swarm Aqua® is as easy as it should be.

These seminars are suitable for architects, engineers, quantity surveyors, cost consultants, contractors and suppliers.

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