Water application at rice cultivation supposes a complex set of investments and spendings, investments in irrigation systems dates in few cases of one lustrum or more; in the cases of the market empire, the competence and good prizes were not imperious to have a defined strategy for the efficient use of the water. In the last two years the constant increment of the fuel and the low quotation perceived for the rice determined to use the water efficientes, lessen the irrigation spending. The auditories of irrigation systems are a management process that suppose two defined stages; the first one consists in a detailed diagnosis of the actual situation of the irrigation system, empathizing the principal elements that avoid to follow up efficiencies in it. The second stage consist in a overcome proposal that lies in a new design of the irrigation system over the basis of the existing one, this of the work has its bases on establish the real irrigation sheet of the cultivation, for what it raises the uses of art work of water. Finally, it appears an important chapter of relevance is the driver operation of water management in the small isolated farm for which the correspondent component of training is developed.