RAPID CITY, S.D. – Rapid City is one step closer to partnering with Dakota Biochar, a local company that converts waste wood into a soil-enhancing product.
The city’s Public Works Committee voted Tuesday to approve a memorandum of understanding with the company. Supporters say the partnership could help divert wood waste from the landfill, extend the landfill’s lifespan, and help keep disposal rates lower for residents over the long term.
The effort gained momentum after the December 2025 windstorm that left large amounts of fallen trees and wood debris across the region. City officials say excess wood waste has continued to take up valuable landfill space.
Dakota Biochar uses a process called pyrolysis to turn waste wood into biochar, a carbon-rich material used in agriculture and composting. City leaders say the product could also help improve Rapid City’s compost by reducing herbicide contamination.
The agreement does not commit either party to spending money at this stage. Instead, it allows the city and Dakota Biochar to continue evaluating potential projects and long-term opportunities.
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