About Septics Direct

SepticsDirect is a trading brand of Dewey Waters Ltd. which is part of the multinational engineering group of companies Tricel.

Tricel is a world recognised global provider of high-performance solutions. Today, the company operates across multiple industries such as Environmental, Construction, Water and Distribution, including both composite materials and lubricants.

We occupy a unique position in the field of reinforced plastics, combining the technical expertise of over 60 years in the press-moulding and composites industry. Tricel is proud of being one of the largest manufacturers of wastewater treatment plants in Europe, and are regarded by regulators as the standard setters within the industry.

Tricel are experts in Sheet Moulding Compound (SMC) processes and produce the only wastewater treatment plant in Europe constructed from this material. This process gives the highest strength to thickness ratio of any tank on the market and has no risk of corrosion over time.

Our company offers industry-leading innovative solutions that our customers can trust, and with operations in 12 locations across Europe, we supply a comprehensive range of products to over 50 countries worldwide.



Acquired in 1999 by the Tricel global engineering company, Dewey Waters are an established GRP Manufacturer and Supplier in the UK specialising in GRP water storage tanks, housings and biofilters. Based in North Somerset, Dewey Waters supplies quality GRP products both domestically and internationally and provide customers with one of the most comprehensive ranges of GRP products available on the market today.



Why choose SepticsDirect?

Tricel wastewater treatment plants are fully tested and accredited to Europeans standards for CE certification EN12566-3.

Tricel septic tanks are also fully tested and accredited to Europeans standards for CE certification EN12566-1.

We manufacture all of our products to the highest standards. We manufacture in accordance with ISO 9001:2008 standards. Our customers can be assured they are buying from the best in the business.

Dewey Waters is also proud to be LPCB certified and its products WRAS approved.

LPCB certification

WRAS approved products


We value your privacy

We endeavour to protect your privacy at all times. Details provided to us will never be shared with any other third party. We will not use customer information for any other purpose other than to contact our customers regarding their order.

We do not hold any credit card information. All payments made via SepticsDirect are processed by SagePay, a secure integrated payment system widely used and recognised by eCommerce sites.