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Sault Ste. Marie Landfill Nears Critical Capacity
Sault Ste. Marie’s landfill is running out of room far faster than expected, with new projections showing the site could reach capacity in just 2.5 years.
The remaining air space has been shrinking steadily, driven by decades of regular use and recent spikes in demolition debris and contaminated soil. City staff have been monitoring the trend closely, and the latest estimates show the timeline tightening as major projects continue to send large volumes of material toward the site.
The city is now waiting on provincial approval to begin expanding the existing landfill, a multi-stage process involving environmental review, public consultation, and final sign-off from the Ministry of Environment. Expansion would add new engineered space designed to extend the landfill’s lifespan and keep waste disposal local. But officials emphasize that expansion alone won’t be enough. Diversion programs, recycling, yard waste, organics, and reuse — remain essential to slowing how quickly the remaining air space disappears and reducing long-term pressure on the site.
Everyday choices at home — deciding what gets recycled, reused, or kept out of the garbage directly influence how fast the landfill fills and how long the current site can continue operating.
As the city prepares for the next phase of its waste system, the actions taken by residents today will help determine how much time the community has before the expanded site is needed, and how sustainable local waste disposal can remain in the years ahead.