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Quality Assessment of Three Types of Drinking Water Sources in Guinea-Bissau

2020-10-04Journal article Open access
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dc.contributor.authorBancessi, Aducabe
dc.contributor.authorCatarino, Luís
dc.contributor.authorJosé Silva, Maria
dc.contributor.authorFerreira, Armindo
dc.contributor.authorDuarte, Elizabeth
dc.contributor.authorNazareth, Teresa
dc.date.accessioned2020-12-09T12:07:13Z
dc.date.available2020-12-09T12:07:13Z
dc.date.issued2020-10-04
dc.description.abstractThe lack of access to safe drinking water causes important health problems, mainly in developing countries. In the West African country Guinea-Bissau, waterborne diseases are recognised by WHO as major infectious diseases. This study analysed the microbiological and physicochemical parameters of drinking water in the capital Bissau and its surroundings. Twenty-two sites belonging to different water sources (piped water, tubewells and shallow wells) were surveyed twice a day for three weeks, in both dry and wet seasons. Most of the microbiological parameters were out of the acceptable ranges in all types of water and both seasons and tended to worsen in the wet season. Moreover, in Bissau, the levels of faecal contamination in piped water increased from the holes to the consumer (tap/fountain). Several physicochemical variables showed values out of the internationally accepted ranges. Both well sources showed low-pH water (4.87-5.59), with high nitrite and iron levels in the wet season and high hexavalent chromium concentration in the dry season. The residual chlorine never reached the minimum recommended level in any of the water sources or seasons, suggesting a high risk of contamination. Results reveal a lack of quality in the three water sources analysed, coherent with the high number of diarrheal cases in the country. There is an urgent need to improve sanitarian conditions to reduce the disease burden caused by these waterborne illnesses.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAducabe Bancessi; Luís Catarino; Maria José Silva; Armindo Ferreira; Elizabeth Duarte; Teresa Nazareth. "Quality Assessment of Three Types of Drinking Water Sources in Guinea-Bissau". International Journal of Environmental Research and Public Health 17 19 (2020): 7254-7254. https://doi.org/10.3390/ijerph17197254.pt_PT
dc.identifier.doi10.3390/ijerph17197254pt_PT
dc.identifier.urihttp://hdl.handle.net/10451/45176
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationPhD grant SFRH/BD/135356/2017pt_PT
dc.relationUIDB/00329/2020 (cE3c)pt_PT
dc.relationUID/AGR/04129/2019 (LEAF)pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectWest Africa; water quality; E. coli; physicochemical; microbiologicalpt_PT
dc.subjectQualidade da água de consumo humanopt_PT
dc.titleQuality Assessment of Three Types of Drinking Water Sources in Guinea-Bissaupt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue7254pt_PT
oaire.citation.titleInternational Journal of Environmental Research and Public Healthpt_PT
oaire.citation.volume17pt_PT
person.familyNameCatarino
person.givenNameLuis
person.identifier.ciencia-id2615-C6BE-1540
person.identifier.orcid0000-0002-1261-9076
person.identifier.ridL-8701-2013
person.identifier.scopus-author-id6602434329
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication63b33bc9-857b-412e-a5e5-3977960779f3
relation.isAuthorOfPublication.latestForDiscovery63b33bc9-857b-412e-a5e5-3977960779f3

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