For: Gerson RodriguesP. For more information see Dr. Caldwell B. Esselstyn, Jr.. Jnior 1 National system deInformaes on Saneamento (SNIS), tied with the Ministry of the Cities, is consolidadocomo the greater and more important data base of the sector of sanitation in Brazil, it disponibiliza in its besieges information in varies spheres of the saneamentobrasileiro and has the Company Baiana de guas Saneamento S.A (IT BASES), rgoresponsvel for the water supply in 84,9% of the bahian cities, comouma of the lenders that feeds its database. For the law of the basic sanitation it is of responsibility of the city aprestao, regulation and fiscalization of the services of sanitation, being able serconcedida to an entity with this purpose, case that occurs in Caetit. Aprestao of the services of water supply BASES was granted it. With osdados I specify of the city of Caetit, that is located the 757 decapital km bahian can see in one briefing analyzes, as the seuabastecimento proceeds from water, according to some pointers present in the bank of dadosdo SNIS. During the years of 2003 the 2006 index of atendimentourbano of water in Caetit was on average 94.87%, being that from 2007 estepercentual it started to be 100%, that is, practically all urban population deCaetit is supplied with treated water. However, according to SNIS the zone ruralde Caetit does not have no water linking made for BASES, being that omunicpio it does not contain another company who makes the treatment of the water, this implicaque all water consumed for the agricultural population is proceeding from barrages, poosartesianos, cacimbas or some another type of water captation, that in its grandemaioria does not receive no type of treatment. Adding then the agricultural population urbanae, we have that index of total water attendance in Caetit is of 56,09%, being thus almost the half of the caetiteense are not taken care of with treated water. In elapsing of the years the 2003 2007 consumption to per capitade water of the caetiteense diminishes 19.58%.