Ana amfani da tashoshin kewayawa daban-daban tare da ƙofofin kulle-kulle don jiragen ruwa su tattauna faduwa. An gina asali daga 1842 zuwa 1854, don ainihin shugaban fitarwa na 6000 ft 3 / s. An faɗaɗa tashar Ganges ta sama a hankali don fitar da shugaban yanzu na 10,500 ft 3 / s (295 m 3 / s). Tsarin ya ƙunshi babban tashar ruwa mai nisan mil 272 da kuma kusan mil mil 4000 na tashoshin rarraba. Tsarin tashar ruwa yana ban ruwa kusan kilomita 9,000 na ƙasa mai amfani a cikin gundumomi goma na Uttar Pradesh da Uttarak. A yau, tashar ruwa ita ce tushen wadataccen aikin gona a cikin waɗannan jihohin, kuma sassan ban ruwa na waɗannan jihohin suna ci gaba da biyan kuɗi daga tsarin tashar ruwa.
9,000 km2