The City of Winnipeg is exploring new ways to reuse its treated sewage sludge.

An expression of interest seeks feedback on the best options and technology available to recycle biosolids, a byproduct of the sewage treatment process. The document notes the treated sludge can be composted, used like a fertilizer, or even be transformed to produce energy.

A massive $3-billion upgrade to the city’s North End sewage treatment plant will add new biosolids facilities that improve the end byproduct, which means the city could soon have more options to reuse it, said Cynthia Wiebe, Winnipeg water and waste’s manager of engineering services.

“The key difference is that there are no pathogens in the (biosolids from the new facility),” said Wiebe.

The treatment plant currently produces Class B bios

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