Estudio de la calidad microbiológica en aguas de Tucumán
; Ruiz, Marcelo ; Cardenas, Geronimo Julio Otros responsables
Fecha
05/2010
Editorial
Universidad nacional de Catamarca. Facultad de Ciencias Naturales y Exactas
Revista
Ciencia
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ISSN
1668-2009
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Español
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Resumen
El objetivo del trabajo fue evaluar la calidad microbiológica en aguas de la provincia de Tucumán en el primer semestre de 2008. Se analizaron 257 muestras de agua empleando técnicas oficiales de muestreo y determinación de indicadores microbiológicos de contaminación (APHA). De las muestras analizadas un 45,14% correspondían a ríos y arroyos, 3,89% a aguas de origen industrial, 1,56% a aguas subterráneas, 4,67% a agua para riego y 44,74% a aguas analizadas para potabilidad. El análisis de los resultados permitió realizar una clara distinción entre la calidad del agua analizada para potabilidad, que se presentó como superior, a la de origen superficial. Independientemente del origen, se observó un importante grado de contaminación relacionada con la presencia de bacterias. Al comparar los valores obtenidos con datos de estudios previos realizados en el mismo semestre del 2007, no se observaron variaciones significativas entre ambos períodos, excepto la determinación de E. coli en aguas de río del 2008 que mostró una disminución de casi un 30%.De este estudio se desprende la importancia del control microbiológico del agua que permite mejorar la disponibilidad y calidad de este recurso esencial
para todos los aspectos de la vida.
The objective was to evaluate the microbiological quality of water in the province of Tucumán during the first half of 2008. We analyzed 257 samples of water using sampling techniques and formal identification of indicators of microbiological contamination (APHA). Of the samples tested represented a 45.14% rivers and streams, to 3.89% of industrial water, groundwater to 1.56%, 4.67% to water for irrigation and 44.74% for water samples analysed drinking. The results allowed for a clear distinction between the, water quality analysis for drinking which was presented as superior to the original surface. Regardless of origin, there was a significant degree of pollution associated with the presence of coliform bacteria. When comparing the values obtained with data from previous studies carried out in the same half of 2007, there was no significant variations between the two periods, except the determination of E. coli in river water from 2008 that showed a decrease of almost 30%. This study shows the importance of microbiological control of water to improve the availability and quality of this essential resource for all aspects of life.
The objective was to evaluate the microbiological quality of water in the province of Tucumán during the first half of 2008. We analyzed 257 samples of water using sampling techniques and formal identification of indicators of microbiological contamination (APHA). Of the samples tested represented a 45.14% rivers and streams, to 3.89% of industrial water, groundwater to 1.56%, 4.67% to water for irrigation and 44.74% for water samples analysed drinking. The results allowed for a clear distinction between the, water quality analysis for drinking which was presented as superior to the original surface. Regardless of origin, there was a significant degree of pollution associated with the presence of coliform bacteria. When comparing the values obtained with data from previous studies carried out in the same half of 2007, there was no significant variations between the two periods, except the determination of E. coli in river water from 2008 that showed a decrease of almost 30%. This study shows the importance of microbiological control of water to improve the availability and quality of this essential resource for all aspects of life.
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