RESEARCH OF BACTERIAL INDICATORS OF FAECAL CONTAMINATION IN WATER OF THE HASSAN II DAM (PROVINCE OF MIDELT, MOROCCO)
Journal Title: Larhyss Journal - Year 2013, Vol 15, Issue 15
Abstract
To satisfy its water needs increasingly growing, Morocco has an important infrastructure of dams. However, demographic and economic expansion of Morocco could lead to a deterioration of the water quality of these artificial lakes. The Moulouya watershed is among the most important watersheds in Morocco, it contains to the present five major dams, among them the Hassan II dam, which became operational in 2005. This dam is one of the largest Moroccan reservoirs with a maximum storage capacity of 400 million cubic meters. However, increased human activities upstream of the dam associated with the phenomenon of erosion could lead to pollution of this water mass. The aim of our study was to assess the water quality of the reservoir through the search of bacterial indicators of fecal contamination, via a monthly followed, during the study period from September 2011 until August 2012. Detection of fecal coliforms (CF) and fecal streptococci (SF) in the waters of the dam was a presumption of its contamination by the feces. With the exception of bottom waters that were loaded with spores of sulphite-reducing anaerobes (ASR), the waters of the other stations in the water column did not contain these spores. However, water levels in total coliforms (CT), CF and SF were qualified water quality of the dam as good to excellent, this according to the Moroccan standards of quality of surface waters.
Authors and Affiliations
CHAHBOUNE M. | Team of Management and Enhancement of Natural Resources, Laboratory of Environment and Health, Faculty of Sciences, Department of Biology, University Moulay Ismail, BP 11201 Zitoune Meknes, Morocco, CHAHLAOUI A. | Team of Management and Enhancement of Natural Resources, Laboratory of Environment and Health, Faculty of Sciences, Department of Biology, University Moulay Ismail, BP 11201 Zitoune Meknes, Morocco, ZAID A. | Team of Management and Enhancement of Natural Resources, Laboratory of Environment and Health, Faculty of Sciences, Department of Biology, University Moulay Ismail, BP 11201 Zitoune Meknes, Morocco, BEN MOUSSA A. | Team of Management and Enhancement of Natural Resources, Laboratory of Environment and Health, Faculty of Sciences, Department of Biology, University Moulay Ismail, BP 11201 Zitoune Meknes, Morocco, ABOULKACEM A. | Regional laboratory of epidemiological diagnosis and environmental hygiene of Meknes, Morocco
Keywords
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