A former police dog will be swapping a life of crime for a life of grime, after being picked to detect sewer blocking ‘fat bergs’. Hector, a nine-stone bloodhound, has been trained to detect fatty blockages on Southern Water’s 25,000 mile sewer network by sniffing air gaps present at ground level.
Fatbergs are the scourge of cities all over the world, and can grow to the length of a Boeing 747. Ian Wylie braves a London sewer to witness this filthy threat for himself – and uncovers some new ideas for defeating them.
Once poured down the kitchen sink, fats, oils, and grease (FOG) condense and clog pipes and sewer lines below our feet.