Resumo

AVILA DE NAVIA, Sara Lilia  e  ESTUPINAN TORRES, Sandra Mónica. Bacteriological quality of the water for human consumption in urban and rural areas of the municipality of Guatavita, Cundinamarca, Colombia. Rev Cubana Hig Epidemiol [online]. 2012, vol.50, n.2, pp. 163-168. ISSN 1561-3003.

Guatavita is a municipality in the department of Cundinamarca, Colombia. Guatavita has water resources such as rivers, streams, lakes and springs, which provide a large proportion of the water consumed by the population. Sixteen water supply systems are in operation, but only the one supplying the urban area is equipped with water treatment facilities. In the rural area there are 14 aqueducts with a basic pretreatment system. An analysis was made of the bacteriological quality of the water for human consumption in urban and rural areas (districts of Corales, Potrero Largo and Carbonera Alta) based on two contamination indicators: total coliforms and Escherichia coli, using membrane filtration technique. The water for human consumption in the urban area complied with the parameters contained in Resolution 2115/2007 of the Ministry of Social Protection. In the rural area, however, fecal contamination indicators were above the established limits. Therefore, this resource should be viewed as "natural water" not suitable for human consumption, according to Decree 1594/1984, and destined for potabilization by conventional treatment.

Palavras-chave : water for human consumption; bacteriological quality of water; total coliforms; fecal coliforms; membrane filtration.

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