Cedar tree revetments are a cost-effective bioengineering practice that can be used to stabilize actively eroding riverbanks. ACD staff in partnership with the Conservation Corps of Minnesota (CCM) installed a cedar tree revetment in Rum South Regional Park in the City of Anoka in July 2022.
Erosion at the site was dominated by bank undercutting-- the beginning stage of a more serious issue. Excessive erosion along riverbanks threatens property, contributes sediment and nutrients to the receiving water body, and eliminates wildlife habitat.
Installation of the 550-foot revetment and live bare-root plants will slow or stop the erosion and reduce the likelihood of a much larger and more expensive project being needed in the future. Cedar brush was also installed to provide additional soft armoring. Not only do revetments help protect against erosion, they also provide excellent habitat.
Pollution reduction from this project is estimated to prevent 24.75 tons of sediment and 21.03 pounds of phosphorus from entering the Rum River annually!
Funding for this project was provided by the Conservation Partners Legacy and a CCM crew labor grant funded by the Clean Water, Land, and Legacy Amendment. ACD provided project management and construction oversight throughout the process.