Short-Term Effects of the Banjul Sewerage and Drainage Project on Faecal Coliform Counts

by Isatou Sissoho, Dep of Water Resources, Baanjul, Gambia,

Document Type: Proceeding Paper

Part of: Coastlines of Western Africa


Assessment of the short-term effects of the Banjul sewerage and drainage project on faecal coliforms (indicator organisms for contamination of pathogens) in the coastal areas. The project commissioned in 1989 serves 40% of the population of Banjul and has its outfall 950 mm in the sea. A total of 50 samples were collected and analyzed using the MF technique in 10 different sampling points along the Atlantic coast of the country where about 10 hotels are located. Sampling points however concentrated around the periphery of the outfall area, including the beaches. Faecal coliform results obtained from the study showed marked variation i.e. > 1000 to zero, depending on the site sampled, time and season of sampling.

Subject Headings: Bacteria | Sewers | Project management | Drainage | Pollution | Beaches | Storms

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