It's been described as smelling like rotting meat and dirty diapers.
A fatberg is a congealed mass found in sewer systems combining non-biodegradable solid matter such as wet wipes with grease or cooking fat.
The destructive deposits have caused problems in cities around the world but it can easily be fixed, according to Barry Orr, a sewer outreach and control inspector for London, Ont.
"We have to stop a lot of things from going down the toilet. The only thing that should be going down the toilet is human waste and toilet tissue," he told The Current's Anna Maria Tremonti.
View the full article here.