Aquatic Control Engineering Ltd. was formed in 1995 by Mr. Bas van Nieuwenhuyzen. Bas had previously been a joint owner of Inter-Drain Ltd, supplying automatic weedscreen cleaners and weed maintenance machinery to the Environment Agency, Internal Drainage Boards and British Waterways.ACE continued to supply the weedscreen cleaners and maintenance machinery, and in 1998 introduced a new and innovative range of water flow control equipment manufactured in the Netherlands by the KWT Group.The design concept adopted by KWT is to produce very low maintenance, highly reliable and efficient products, and ACE is the sole supplier for the products in the UK. The KWT Group are one of Europe's leading manufacturer's of water flow control devices such as penstocks, weir penstocks, flapvalves, tilting weirs and automatic level control units. KWT use the latest technology to design and manufacture the products, using Computer Control and CAD throughout the production process.