EntityQ2893684· pop 10· linked from 44 articlesRiver EffraSign in to saveriver in south London, EnglandConnectionsDulwichEntitycombined sewer networkEntityEnglandEntityLatinEntityYouTubeConceptfloodEntitygeographic coordinate systemEntityInternational Standard Book NumberEntitystormEntityRiver ThamesEntityCeltic languagesEntityWayback MachineEntityJohn RuskinEntityGreater LondonEntityriver mouthEntityVictorian eraEntityGreenwichEntitypubEntityLondon Borough of CroydonEntityriver sourceEntityCategoriesDulwichGeography of the London Borough of CroydonGeography of the London Borough of LambethGeography of the London Borough of SouthwarkRivers of LondonSubterranean rivers of LondonThames drainage basin