By Canadian Press

50 tonnes of ‘fatbergs’ removed from Richmond, B.C., sewers, Metro Vancouver says

Oct 25, 2024 | 12:37 PM

Workers in Metro Vancouver have chiselled away about 50 tonnes of so-called “fatbergs” that have clogged the sewer system and prompted a reminder to residents not to dump grease down the drain.

Dana Zheng, a program manager with the Metro Vancouver regional district, says that while it isn’t the first time they’ve encountered the problem in the system, this latest discovery of hardened fat is the “most serious” they have seen in recent years.

Zheng says workers at the Lulu Island wastewater treatment plant in Richmond have been running into the giant mounds of fat since the summer, gradually extracting more than 50 tonnes in total, and costing about $1 million so far.

A photo issued by the regional district shows some of the hardened chunks of yellowish and brown fat are large enough to reach a worker’s thighs.

Zheng says Richmond has been one of the hot spots for fat deposits because of the city’s flat terrain, giving grease more time to settle and harden inside the pipes.

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The regional district is urging residents to dispose of fats properly by placing them in green bins for composing, rather than pouring them down the drain.

The district’s website says Metro Vancouver municipalities spend about $2.7 million every year to repair damage caused by fats, oils and grease in the sewer systems.

This report by The Canadian Press was first published Oct. 25, 2024.

Nono Shen, The Canadian Press