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Treatment sewage in the villages and small communities Water pollution Decentralization could result from uses (residential, commercial, industrial) not served by sewage networks, such as villages. In many villages there is a lack of sewage systems and, therefore, sewage disposal is indiscriminate "For the most part, to avoid the negative consequences of such contaminated water on the environment and public health. Must be dealt with by disposal of polluted water before being discharged to the ground. The Solutions Traditional wastewater collection of small villages spaced through sanitation systems and then sent to the central treatment plant would be too costly, and Often does not have the money necessary for the implementation of these projects. To address water pollution near its source would mean reduce costs to maintain the sources of drinking Pollution, the provision of effort, providing the potential environmental risks . The goal of treatment polluted water in isolated areas and small near its source can summarized as follows: -The protection of public health . - Reduce the cost of treatment through the maintenance of the water used (local and small communities and commercial and industrial) near the pollution source . - Protection of the environment from pollution .