Dewey Waters


Dewey Waters, a prominent GRP manufacturer and supplier in the UK, boasts a storied history and a reputation for excellence in water storage solutions. Founded in 1956 by Norman Dewey and Mike Waters, the company grew from manufacturing GRP motorbike fairings to becoming a key player in the water storage industry. Dewey Waters now operates as Tricel (Weston) Ltd.

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The History of Dewey Waters

Founding and Early Years – Dewey Waters was established in North Somerset and initially focused on producing GRP motorbike fairings. Over the years, the company diversified its product range to include water storage tanks, housings, and biofilters. This transition marked the beginning of Dewey Waters’ journey into the GRP industry.

Acquisition and Growth – In 1999, Dewey Waters was acquired by the Tricel Group, a global engineering company. This acquisition enabled Dewey Waters to expand its operations and product offerings, leveraging Tricel’s extensive resources and expertise. Since then, Dewey Waters has continued to grow, serving both domestic and international markets with a comprehensive range of GRP products. In 2024, Dewey Waters rebranded to Tricel Weston. As of July 1st, 2024 Dewey Waters and Nicholson Plastics water storage teams became one. One team, one vision under the Tricel brand.

Dewey Waters Range of Products

Dewey Waters specialises in the manufacture of various GRP water storage solutions, catering to a wide array of applications:

  • GRP Sectional Tanks: These tanks are ideal for large-scale water storage needs, offering flexibility in design and installation.
  • One Piece Tanks: Suitable for smaller installations, these tanks are designed for ease of transport and installation.
  • Fire Sprinkler Tanks: Ensuring safety and compliance, these tanks are essential for fire suppression systems. Our range of sprinkler tanks are LPCB Approved.
  • Custom GRP Products: Dewey Waters also manufactures bespoke GRP housings and biofilters to meet specific customer requirements.
grp sectional water tank
An LPCB Sprinkler tank
one piece tank used as a water tank for loft

Dewey Waters Certifications

Dewey Waters prides itself on maintaining high standards of quality and compliance. The company holds several key certifications, including WRAS approval, LPCB certification, which ensures their products meet stringent industry standards. Their manufacturing processes are guided by a commitment to excellence, ensuring that every product delivered meets the highest quality benchmarks.

Now trading as Tricel (Weston) Ltd, Dewey Waters remains a leading name in GRP water storage solutions, known for its innovative approach, quality products, and dedication to customer satisfaction. With over five decades of expertise, the company is well-positioned to meet the evolving needs of its clients across the UK and beyond.

Dewey Waters stands as a testament to innovation and quality in the GRP water storage industry. With a rich history, a commitment to excellence, and a forward-thinking approach, Dewey Waters is well-equipped to meet the diverse needs of its clients around the world.

Notable Water Storage Projects

With nearly six decades of industry experience, Dewey Waters has contributed to numerous high-profile projects. Some of their notable installations include:

  • Wembley Stadium: Providing reliable water storage solutions for one of the UK’s most iconic sports venues.
  • The Shard: Ensuring efficient water storage in Western Europe’s tallest building.

The Shard in London

  • Buckingham Palace: Supplying water storage systems for the royal residence.
  • The London Olympics: Supporting the infrastructure needs of a global event with robust water storage solutions.
50 years in business

A highly successful multinational corporation with over 50 years’ valuable industry experience

Fully Customisable Tanks

Tanks available for all capacities, 43 litres to 4,651,290 litres. Larger tanks available on request

Fast Delivery

On-time delivery is a core requirement of our successful business operations