Hydro International Ltd is a global company that provides advanced products, services and expertise to help municipal, industrial and construction customers to improve their water management processes, increase operational performance and reduce environmental impact.

With extensive expertise in controlling and treating stormwater runoff in the urban environment, Hydro International’s range of solutions work with, enhance or enable natural Sustainable Drainage Systems (SuDS).  The range includes the Stormbloc^® Optimum range of storage/infiltration blocks and the independently verified Hydro-Brake^® Optimum vortex flow control and Downstream Defender^® Select advanced hydrodynamic vortex separator.

With over 40 years of experience and a reputation for engineering excellence, businesses and public organisations all over the world rely on Hydro International products and services to reduce flood risk, improve water treatment and protect the environment from water pollution.

Headquartered in Clevedon, UK, Hydro International has a network of over 80 distribution partners and serves customers in more than 40 countries.