The concern in relation to the wastefulness and losses of water comes in recent years growing of excellent form, and the world passes for a campaign of awareness on the importance and necessity of the valuation of the water. The inefficient use of the water means equipment of bigger capacity as, great tanks and immense flows. The new technologies readjust equipment, modify operations without the additional necessity of physical space. The measurement individualization of water can be defined as being the verification the technology of Individualization measurement (for commercial residential economy/); Carried through through hydrometer installed in the branch of feeding of each unit (DESO, 2005). ANA (2005) considers the survey of the pointer or index of consumption (IC), that it is the relation enters the consumed volume of water in one determined period, called historical period, I number and it of consuming agents in this period as form to evaluate the water consumption. For Toledo (2004), up to 2025, the industries will be responsible for 24% of the world-wide water consumption.
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