Abstract
The aim of this study is to analyze the origin and quality of water used for consumption in a sample of households in Matanza-Riachuelo river basin area in Greater Buenos Aires, Argentina. The results of drinking water by source indicated that 9% of water samples from the public water system, 45% of bottled water samples and 80% of well water samples were not safe for drinking due to excess content of coliforms, Escherichia coli or nitrates. Individuals living in households where well water is the main source of drinking water have a 55% higher chance of suffering a water-borne disease; in the cases of diarrheas, the probability is 87% higher and in the case of dermatitis, 160% higher. The water for human consumption in this region should be provided by centralized sources that assure control over the quality of the water.
Highlights
Las formas en que se desarrollan las áreas marginales de las ciudades, sin tener en cuenta los condicionantes del medio natural ni las necesidades en términos de infraestructura, generan una serie de problemas socioambientales derivados de la falta de agua potable, las inundaciones, las inadecuadas condiciones de higiene por falta de instalaciones sanitarias, el hacinamiento y la ausencia de patrones urbanísticos que impiden desde la limpieza pública hasta la entrada de una ambulancia, y que exponen a la población a un medio natural contaminado [1]
analyze the origin and quality of water used for consumption in a sample
The results of drinking water by source indicated that 9% of water samples
Summary
De los 3 pozos de más de 40 metros de profundidad las 3 muestras superaron el límite permitido para nitratos (100%). La variable independiente objeto de estudio, es “origen del agua”, que corresponde a una variable dicotómica con valor uno si el origen principal del agua utilizada para consumo en el hogar proviene de pozo individual y cero en los otros casos (agua de red pública o agua envasada). La magnitud de las razones de posibilidad estimadas indican que: Los individuos que viven en hogares en los que el agua de pozo individual es la fuente principal de agua para consumo, tienen una probabilidad 55% superior de padecer alguna enfermedad de origen hídrico que aquellos que viven en hogares cuya fuente principal es el agua de red o el agua envasada.
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