Please use this identifier to cite or link to this item: http://hdl.handle.net/10198/3504
Title: Evaluation of the microbiological quality of drinking water in the district of Bragança (Northwest Portugal) throughout a ten-year period (1996–2005), during the implementation of the 1998/83 EC Directive
Author: Nogueira, António José M.
Cardoso, Manuela
Delgadillo, Ivonne
Almeida, Adelaide
Issue Date: 2010
Publisher: American Society of Agronomy
Citation: Nogueira, António José M.; Cardoso, Manuela; Delgadillo, Ivonne; Almeida, Adelaide (2010) - Evaluation of the microbiological quality of drinking water in the district of Bragança (Northwest Portugal) throughout a ten-year period (1996–2005), during the implementation of the 1998/83 EC Directive. Journal of Environmental Quality. ISSN 0047-2425. 39:2, p. 609-616
Abstract: The microbiological quality of drinking waters was evaluated in northwestern Portugal between 1996 and 2005, according to the guidelines of European Directives of 1980 and 1998. Out of the 21,630 microbiological analyses done, the percentage of treated and nontreated waters analyzed were similar, but the fraction of conforming samples were higher for treated (74.2%) than for nontreated (37.8%) water. The microbiological quality of potable water improved throughout the study period, particularly in the last 2 yr, when drinkable water reached 70%. The increase during the last 2 yr is a result of at least two different causes: an increase in the use of treated waters and the change in the legislation (1998/83 EC Directive). Although the number of treated waters has increased, the nonconforming treated water is still very high (25%) even when evaluated under the 1998/83 EC Directive.
Peer review: yes
URI: http://hdl.handle.net/10198/3504
ISSN: 0047-2425
Publisher Version: https://www.agronomy.org/publications/jeq/abstracts/39/2/609
Appears in Collections:DTDT - Artigos em Revistas Indexados ao ISI/Scopus



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