The bacteriological and physico-chemical characters of recreat ional water at Ras El-Bar beach were estimated during the period between November, 1981-May, 1983. The bacteriological examination showed suitability of faecal streptococci than faecal coliform as an indicator of marine pollution. In addition the monitoring of bacteriological as well as physico-chemical parameters showed the presence of a continuous source of pollution directed from the northest terminal part of Demietta branch to the examined locations.