Etude de la qualité physicochimique et bactériologique de la nappe

Bricha, Saâdia; Ounine, Khadija; Haloui, S; Attarassi, Benaissa

doi:10.4314/afsci.v3i3.61622

Cited by 19 publications

(21 citation statements)

References 7 publications

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“…These results are also the same with those obtained elsewhere than in Benin Republic: on the Agnébi River in Ivory Coast (Manizan et al, 2010), on source water of the Mangouin-Yrongouin village in Ivory Coast (Ahoussi et al, 2013) and on the groundwater M'nasra in Morocco (Bricha et al, 2007).…”

Section: Discussionsupporting

confidence: 80%

Quality of Drinking Water in the Town of Manta in Benin Republic

Carine

Chouti

Nireti

et al. 2018

ESJ

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The current research was undertaken in the north of Benin Republic, to assess the pollution level of drinking water; with an emphasis on water sources (boreholes, wells, surface water, and fountain post) and water storage by households. To this end, five villages of the town of Manta were the target. The methodology was based on chemical and bacteriological analyses of water samples collected in October 2015, from ten water sources and four households. The results of chemical analyzes, revealed that two out of five (5) boreholes sampled, had higher than normal nitrate concentrations. Two (2) wells out of three (3) had high ammonium concentrations. As far as the bacteriological aspect is concerned, water from the boreholes and wells are contaminated with fecal germs (Escherichia coli and fecal streptococcus). There is also a large presence of mesophilic aerobic germs and coliform flora in all samples. On the other hand, lithological data from drill holes, in the study area, indicate a preponderance of various schist and alterites that are depleted of fluorides and phosphate compounds. The geological cross-section shows that the aquifer in the town seems to be very homogeneous and does not indicate any tectonic structure that could explain contamination due to horizontal flow. This contamination reflects the lack of hygiene and sanitation near water storage points, the uncontrolled use of pesticides and fertilizers. The use of water protection equipment and hygiene awareness will considerably reduce pollution at the household level.

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Section: Discussionsupporting

confidence: 80%

Quality of Drinking Water in the Town of Manta in Benin Republic

Carine

Chouti

Nireti

et al. 2018

ESJ

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“…The concentration of the dissolved oxygen for each well was not significantly varied with the season variation, ranging the values from 0.9 to 3.5 mg L -1 . (Boutin 1987;Bricha et al 2007;Mkandawire 2008;Pritchard et al 2008).…”

Section: Results and Discussion Physicochemical Quality Of Watermentioning

confidence: 99%

Evaluation of Water Quality from Suburban Shallow Wells Under Tropical Conditions According to the Seasonal Variation, Bumbu, Kinshasa, Democratic Republic of the Congo

et al. 2016

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The contamination of freshwater resources with various organic and inorganic contaminants is still a major problem in many parts of the world, especially in developing countries in which the poor water quality continues to pose a serious threat to human health. In this study, the assessment of groundwater quality was performed in the municipality of Bumbu (Kinshasa, Democratic Republic of the Congo) according to the seasonal variation. Water physicochemical parameters [pH, electrical conductivity (EC), dissolved oxygen and soluble ions (Na ? , K ? , PO 4 3-, SO 4 2-, NO 3 -, NO 2 -)] and faecal indicator bacteria (FIB) including Escherichia coli (E. coli), Enterococcus (ENT) and Total coliforms (TC) were analysed. Except for EC and NO 3 -, the results revealed low concentration of other water physicochemical parameters, which are below the recommended limits, according to World Health Organization guideline for drinking water. Additionally, the result showed high concentration of FIB reaching the values of 1.6 9 10 4 , 1.5 9 10 4 and 9.0 9 10 5 CFU 100 mL -1 for E. coli, ENT and TC, respectively. The pollution was substantial in wet season compared to dry season. PCR amplification for human-Bacteroides indicated that more than 90 % of bacteria were from human origin. Our results highlight the potential human risk associated with the exposure to water contamination from wells due to the high level of NO 3 -, EC, E. coli and ENT in both dry and wet seasons. The approach developed in this study helps provide a better understanding of the physicochemical and microbiological pollution of wells in large cities characterized with lack of wastewater and sanitation facilities.

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“…Une nappe phréatique est d'autant plus vulnérable que son sommet est proche de la surface et que les terrains surmontant l'aquifère sont perméables (Boutin, 1987). En outre, les rejets d'élevage et le fumier utilisé comme fertilisant contribuent à la pollution des eaux souterraines (Bridgman et al, 1995 (Bricha et al, 2007). Dans la communauté des Mzamza, située au niveau de la ville de Settat (Sud de Casablanca), caractérisée par une potentialité agricole importante, les eaux de la nappe sont sujettes à plusieurs possibilités de contamination.…”

Section: Analyse Des Eaux De Puitsunclassified

Contamination des eaux souterraines par le lixiviat des décharges publiques : Cas de la nappe phréatique R’Mel (Province de Larache - Maroc Nord-Occidental)

Er-Raioui¹,

Bouzid²,

Khannous³

et al. 2011

International Journal of Biological and Chemical Sciences

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RESUMELa percolation du lixiviat en provenance des déchets des décharges constitue une source de pollution des ressources en eau souterraine par infiltration, constituant ainsi une menace aussi importante que celle liée à l'accentuation du déficit hydrique. La décharge publique de Larache constitue un modèle type de détérioration des ressources en eaux par un effet de contamination du lixiviat en provenance de la décharge et des pratiques agricoles. Les mesures réalisées sur le lixiviat et sur les eaux prélevées des puits situés autour de la décharge et ayant porté sur les paramètres physicochimiques, de pollution (O 2 dissous, DCO…), de métaux lourds et sur des analyses bactériologiques, permettent de qualifier le lixiviat comme une source de contamination à potentiel anoxique et réducteur. La charge polluante est importante et se traduit par des valeurs de DCO et d'azote kjeldahl élevées (63375 mg/l et de 798 mg/l). Les résultats permettent aussi de conclure sur la qualité médiocre des eaux contenues dans les poches souterraines notamment pendant la période sèche, ce qui est illustrée par les valeurs élevées en certains métaux (Pb (800 µg/l), Cd (40 µg/l), Cr (80 µg/l) et Fe (650 mg/l)), en coliformes totaux, en coliformes fécaux et en streptocoques fécaux.

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Etude de la qualité physicochimique et bactériologique de la nappe

Cited by 19 publications

References 7 publications

Quality of Drinking Water in the Town of Manta in Benin Republic

Quality of Drinking Water in the Town of Manta in Benin Republic

Evaluation of Water Quality from Suburban Shallow Wells Under Tropical Conditions According to the Seasonal Variation, Bumbu, Kinshasa, Democratic Republic of the Congo

Contamination des eaux souterraines par le lixiviat des décharges publiques : Cas de la nappe phréatique R’Mel (Province de Larache - Maroc Nord-Occidental)

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