Engenharia Civil (UACSA)

URI permanente desta comunidadehttps://arandu.ufrpe.br/handle/123456789/2910

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Autor: search.filters.author.Duarte, Wiliane Roberta da SilvaAssunto: search.filters.subject.Qualidade da água

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    Caracterização físico-química e avaliação da qualidade das águas subterrâneas em poços da comunidade de Itapuama, Cabo de Santo Agostinho/PE
    (2019-12-11) Duarte, Wiliane Roberta da Silva; Silva, Robson José; http://lattes.cnpq.br/7515677435963888
    The use of wells to obtain underground water resources has become a complementary alternative for human supply. However, over the years, high consumption and anthropic action have contributed to the scarcity of groundwater and its contamination, have contributed to the contamination of groundwater, making it an agent that transmits diseases caused by pathogenic microorganisms from percolation of domestic sewage and/or chemical matter in concentrations that exceed the standards authorized by the Ministry of Health and CONAMA 357/2005, of the Ministry of the Environment. The aim of this study was to analyze the physical-chemical parameters: pH, dissolved oxygen, electrical conductivity, total dissolved solids, salinity, color and turbidity and to evaluate water quality by the Most Likely Number (NMP.100 mL-1) of total coliforms and thermotolerant, based on current legislations. In −1 total, 120 samples were analyzed for physical-chemical characterization and 6 for microbiological, from three wells in the community of Itapuama, located in the city of Cabo de Santo Agostinho - PE. Of the evaluated wells, two did not comply with the quality standard established by Brazilian legislation. The results showed a high concentration of electrical conductivity, low dissolved oxygen and high levels of microbial contamination. These non-conformities can originate from the inefficiency of the neighborhood's sewage system. The third well, since it is a phreatic tubular well, presented good quality water in the studied parameters, being above the limit only in the electrical conductivity parameter.