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Underground and surface water as a result of human activity are increasingly polluted. Mainly due to improper disposal of waste, discharge of effluents, among other actions that compromise the environment. The water analysis is necessary to determine and evaluate the situation of water supply to the population. This study evaluated the supply situation of three rural communities located in the south of Brazil, where the water is carried out through the abstraction of groundwater. Pastures, fields and remnants of native vegetation characterize the region. The water quality used to supply was what motivated the accomplishment of this work. The wells are unprotected in the middle of the pastures near to black cesspits and crops that use frequently agrochemicals. The water quality was characterized over one year by physicalchemical, microbiological and toxicological characteristics. The results were compared to water potability standards in Brazil. In order to ensure sanitary conditions for this population, environmental education actions were carried out given the importance of access the information. It follows that the resources analyzed need disinfection to ensure better and safer water supply. [ABSTRACT FROM AUTHOR]

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Copyright of Acta Scientiarum: Biological Sciences is the property of Universidade Estadual de Maringa and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)