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Research Article

Academia Journal of Scientific Research 3(3): 038-044, March 2015
DOI: 1015413/ajsr.2015.0106
ISSN 2315-7712
©2015 Academia Publishing


 

Abstract

 

Drinking-water microbiological quality survey in the District of Aveiro (Portugal): a nine-year surveillance study (2000-2008)

 

 

Accepted 25th February, 2015

 

Joana Almeida1, Ana Félix2, Rosário Figueiredo2, Adelaide Almeida1*
1Department of Biology and CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
2Public Health Laboratory of Aveiro, Praceta Rainha D. Leonor, 3810 Aveiro, Portugal.
 

Microbiological quality of drinking water was evaluated in the District of Aveiro between 2000 and 2008 (Portugal). To assess the water quality, reference methods, according the legislation in vigor, were used. The percentage of treated water was higher (80%) than that of non-treated water (20%). The fraction of conform samples was higher for treated (92%) than for non-treated (59%) water. Treated water quality was similar throughout the study period but for non-treated water it decreases, diminishing the fraction of conform water from around 70 to 44% between 2000 and 2008, respectively. As water legislation became less demanding throughout the study period, there was an increase in non-conform water due to an increase of water contamination. The treatment applied to drinking-water of the District of Aveiro was effective, thereby, reducing the microbial contamination in environmental waters, thus, the remedy to water contamination is the treatment of all water supply sources.
 

Key words: Drinking-water; human health; water microbiology; water quality; Portugal.

 

This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

 

Cite this article as:
Almeida J, Félix A, Figueiredo R, Almeida A (2015). Drinking-water microbiological quality survey in the District of Aveiro (Portugal): a nine-year surveillance study (2000-2008). Acad. J. Sci. Res. 3(3): 038-044.

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