The Odaw River runs through the Accra metropolis and flows from the Abokobi and Adjankote hills through Ashongman, the Atomic Energy area, West Legon, Achimota, Alajo, Avenor, Agbogbloshie and finally through the Korle Lagoon into the Atlantic Ocean. Today (2014), the Odaw river is considered as one of the most polluted rivers of the world.
"...Along the line, the various communities dump their refuse and waste into the river. It has become the receptacle of Accra’s rubbish and solid waste. It is a place for excreta, as some people squat along its banks to attend to the call of nature. Right from the Avenor bridge up to the Graphic Road, residents and squatters living alongside the shoulders of the channel dump all manner of solid waste into the drain, described by city authorities as critical to Accra’s flood prevention.
Near the bridge on the Graphic Road is a burgeoning settlement of foodstuff sellers, garages and scrap dealers who dump all their wastes of old fridges, television sets, and electrical items into the Odaw..."