The basic sanitation involves the collection of the garbage, the treatment and the water supply for the population, the handling of waters of rain, the collection and the treatment of the sewer, and several other subjects come back toward the hygienic cleaning. It sees below some concepts on subjects related to the basic sanitation: Basins of captation: it receives water from the sources. This water, after treated, serves for the supplying of the population; Basin of draining: it receives the water from rains it dislocates and it for rivers, lakes, dams, and other sources; Water supply: system that involves the captation, treatment and distribution of the water for human consumption; Treatment of the water: system that modifies the physical properties, chemical and biological, of the water. The treatment of becomes it to the water potable and proper for the human consumption; Desentupidoras: unstopping companies who carry sewer until the stations from treatment, in the occasions where the sewer net are inexistent and population counts only on fossas; Treatment of sewer: system that involves the captation of the sewers industrial, residential, farming and hospital, by means of tubings or for intermediary of the clean service of fossa supplied by desentupidora company. After the captation, the sewer is dealt with in the Stations of Treatment Effluent having as end items the half-clean water and the silt; Decantation: process of separation of materials and liquids that occurs during the treatment of the sewer; Expositories: tubings that bind the sources of water to the Stations of Water Treatment; Net of sewer: tubings that carry sewer until the Stations from Treatment from Effluent; Treatment of the garbage: process that it aims at to optimize the garbage with the reaproveitamento, the recycling and the reduction. An example of reduction of the use of the garbage says respect the exchange of the plastic bags for bag returned..