The main objective of the Water Use Statistics is the study of the use of the "water" resource in the economic activity sectors (agriculture, industry, services, etc.) or in some specific branches of economic activity.
Variables on the water use are different depending on the economic branch or sector considered. Thus, in the agrarian sector, information is collected regarding the availability of water, according to the origin thereof (surface, groundwater, other resources) and regarding its use in plots, by crop group and irrigation technique. in the manufacturing industry sector, the objective is to investigate the volume of water input used, and of water disposed of, as well as the average price for the supply and sanitation of the water. in the services sector, this studies the use of water to enable the construction of indicators that stabilise the average allocations of water use, with regard to the final consumers thereof.