This was the tipping point. Before ‘Fatberg‘, flushable wet wipes were slowly worming their way underground, unnoticed. Unfortunately, this was a case of ‘too much of a good thing’. When the sewer system of London eventually collided with this 15 tonne congealed blob of wet wipe and grease sewer throughput dropped to a meagre 5% and many local residents could not flush their toilets. Hear more from Nick Reid of the Ontario Clean Water Agency as he describes issues of clogging in Ontario and comments on the infamous ‘Fatberg’ found in London.