Hidrotec is a subsidiary of Aqualia and provides essential services in occupational risk prevention, quality systems, marketing, IT and communication; the development and commercialisation of all types of mechanisms and patents, related to the treatment and purification of water and resource recovery; and managing Customer Service and Call Centres. The company has 7 Laboratories accredited according to ISO-17025 and will be in charge of the development of analytical techniques for groundwater characterization.