The Coliform Bacteria in the Wastewater Ponds of Doha City, Qatar

Abstract

The microbiological study of the wastewater and its sediment around Abu-Hamour pond (untreated wastewater pond) and Abu-NakhIa pond (treated wastewater pond), located on the outskirts of Doha City, revealed that coliform bacteria were prominently present in the former than in the latter one. E.coli. Was present in the coastal wastewater in all sites around both ponds. Yet, E. coli. was present in wet soils around theses ponds primarily near the discharge sites where new water is constantly poured in. Also the following bacteria were prominently present in the coastal waters of Abu-Hamour pond than in Abu-Nakhia pond: Escherishia coli. Salmonella spp., Oritiis spp., Chromohacteniim violaceum, Klebsiella pneumonis, Aeromona hydrophilia, Pseudomonas aemginosa. Moreover, Streptomyces, Bacillus and Macrococcus sp. were more prominent in the sediment around Abu-Hamour pond than Abu-NakhIa pond.