DETECÇÃO DE BACTERIÓFAGOS COMO INDICADORES NÃO CONVENCIONAIS DE CONTAMINAÇÃO FECAL NO RIO GUANDU-RJ
Keywords:
Colifagos, coliformes termotolerantes, contaminação microbiológica, efluente doméstico, indicadores emergentes.Abstract
The objective of this work is to address the problem of the increasing manipulation of the Guandu River, the main financial management of water supply for human consumption in the city of Rio de Janeiro. The main objective was to analyze the presence of non-conventional microbiological indicators, somatic coliphages and F-specific coliphages, as markers of fecal contamination. The data were contrasted with results derived from markers often used as indicators of fecal contamination, thermotolerant coliforms. The results presented showed a high level of fecal contamination in the Guandu River basin. The use of bacteriophages is shown to be a good indicator of contamination, being present in all points analyzed and due to its simple methodology, affordable cost and high specificity in recognizing host bacteria. The high levels of contamination are attributed to the inadequate discharge of domestic and industrial effluents, irregular land occupation and lack of sanitation.
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