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Non-potable use of Lisbon underground water: microbiological and hydrochemical data from a 4-year case study

2018-07-09Journal article Restricted access
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dc.contributor.authorTeixeira, Pedro
dc.contributor.authorAlmeida, Luís
dc.contributor.authorBrandão, João
dc.contributor.authorCosta, Sílvia
dc.contributor.authorPereira, Susana
dc.contributor.authorValério, Elisabete
dc.date.accessioned2018-09-27T14:15:44Z
dc.date.available2020-07-09T00:30:13Z
dc.date.issued2018-07-09
dc.descriptionThe authors would like to thank all the technicians at the Bromatology and Water Laboratory (CML) who participated in field and laboratorial work in the making of the present studypt_PT
dc.description.abstractMitigation of global warming scenarios by the United Nations Economic Commission for Europe (UNECE) water convention requires better water use policies by all management parties. One of Lisbon's municipal contributions to target a sustainable urban water cycle has been to assess the microbial and hydrochemical quality of groundwater. The aim is to clarify the possible existence of contaminations and respective sources, seasonality, and to assess non-drinking alternative uses of those waters. To this respect, five water sources over a 4-year period were monitored for physical, chemical, and microbial parameters (temperature, pH, NO2-, NO3-, NO4-, oxidability, conductivity, total hardness, Escherichia coli, total coliforms, enterococci, and heterotrophic plate count at 22 °C and 37 °C). The results show mean values of physical and chemical parameters within the WHO and national drinking water guidelines and regulations. However, microbial parameters exceed these limits, showing no seasonality. Microbial contamination may not necessarily imply the uselessness of groundwater for uses other than for drinking. For routine water quality assessment, a selection of a more adequate group of microbiological indicators is necessary, in order to evaluate potential public health risks, regarding the use of the identified water sources for non-potable purposes like irrigation or street cleaning. This approach is being promoted by the UNECE's protocol for water and health, article 6, 2 (i); in accordance with the scope of the UN's sustainable goals.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationEnviron Monit Assess. 2018 Jul 9;190(8):455. doi: 10.1007/s10661-018-6828-7pt_PT
dc.identifier.doi10.1007/s10661-018-6828-7pt_PT
dc.identifier.issn0167-6369
dc.identifier.urihttp://hdl.handle.net/10400.18/5616
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringer Verlag (Germany)pt_PT
dc.relation.publisherversionhttps://link.springer.com/article/10.1007%2Fs10661-018-6828-7pt_PT
dc.subjectLisbonpt_PT
dc.subjectGroundwaterpt_PT
dc.subjectWater Qualitypt_PT
dc.subjectSeasonalitypt_PT
dc.subjectHydrogeologypt_PT
dc.subjectPortugalpt_PT
dc.subjectPublic healthpt_PT
dc.subjectÁgua e Solo
dc.subjectDeterminantes da Saúde e da Doença
dc.titleNon-potable use of Lisbon underground water: microbiological and hydrochemical data from a 4-year case studypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue8pt_PT
oaire.citation.startPage455pt_PT
oaire.citation.titleEnvironmental Monitoring and Assessmentpt_PT
oaire.citation.volume190pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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