Simple Erosion Control Techniques Brings Success on the Rum River

Cedar tree revetments are a cost-effective bioengineering practice that can be used to stabilize actively eroding riverbanks. Excessive erosion along riverbanks threatens property, contributes sediment and nutrients to the water, and eliminates wildlife habitat. Installation of cedar revetments and live stakes, slows or stops the erosion and reduces the likelihood of a much larger and more expensive project in the future.

Eastern red cedars, though native to Minnesota, can be a nuisance species with a habit of taking over and dominating open grassy spaces. These cedar trees can be obtained at little to no cost through land clearing efforts and repurposed to protect streambanks and provide habitat benefit. Efforts made by ACD throughout the last 10-years have resulted in large-scale pollution reduction and extensive land protection along the Scenic Rum River. 

Since 2015, ACD has partnered with landowners, cities, parks departments, schools, and other community groups to install approximately 8,666 linear feet of cedar revetment. At the end of the 10-year project life, the current revetments in Anoka County will prevent in excess of 2,370 tons of sediment and 2,180 lbs of phosphorus from entering the Rum River, based on loading estimates.

Funding for these project was made possible through the Conservation Partners Legacy, Conservation Corps of Minnesota & Iowa crew labor grants funded from the Clean Water, Land, and Legacy Amendment, and contributions from landowners. ACD provided all project administration, design and installation oversight.

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HydroClim Minnesota

"HydroClim Minnesota" is a new electronic newsletter put out monthly by MNDNR Climatologist Pete Boulay. ACD has partnered with Pete for years to manage a network of precipitation volunteers throughout Anoka County.

"HydroClim Minnesota" summarizes weather conditions and other weather events occurring throughout the state and the resulting impact on water resources. By subscribing to the newsletter you can learn exciting facts such as, a storm event occurring on December 15, 2021 was not only the warmest day ever recorded in the month of December but it also involved Minnesota's first documented tornado for the month of December!

To learn more fun facts about weather in your state visit https://mndnr.gov/hydroclim. 

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Climate Runaway

A few days ago I was out conducting field work and met a landowner who had recently made the move to Minnesota from California. When I asked what prompted the change of scenery he replied climate change. We got to talking and I was troubled to hear his story.

A few decades ago this gentleman built his families dream home, nestled away in the Sierra Mountains of northern California. This was the property where they planned to retire. They constructed the home having a strong understanding of wild fires in the area and the natural role fires play within the ecosystem. Once construction was complete conditions only worsened. Every year would bring a longer and more severe fire season, slowly becoming more and more unmanageable. The home would be encased in smoke for months at a time, making it unsafe to go outside. Private insurers stopped providing fire insurance due to the increased demand and unprecedented payouts.

New levels of stress were introduced from constantly worrying about losing the home or much worse a family member or friend. What was supposed to be paradise now felt more like a prison. Eventually they reached a personal breaking point and decided to sell the home. Even this aspect was now incredibly difficult and resulted in a large financial loss.

This conversation stuck with me as his experiences were a firsthand account of the realities of climate change. In the future more citizens will have to relocate due to extreme weather conditions such as fires, hurricanes, excessive rainfall and drought. Minnesota could become a northern climate safe haven. The issue of climate change is something we are going to have to try and tackle together as a country. By working together and combining our individual efforts we still have the ability to shift the direction of things and help ensure a healthy planet for future generations. 

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Rum River Cedar Tree Revetments

The Anoka Conservation District has been working hard in partnership with Conservation Corp of MN and the Anoka County Parks Department to implement Cedar Revetments along the Rum River. So far nearly 1,500 linear feet along the Rum has been protected using the bio-engineered practice. These practices have been installed on private lands as well as property managed by Anoka County Parks. This type of practice is effective at protecting the bank from erosion while also enhancing shoreline habitat for wildlife. Cedar revetments are also much less expensive compared to other stabilization techniques. Through a state grant awarded to Anoka County Parks, there is currently funding available to cover 90% of the total project cost.

If you own property on the Rum River and are interested in protecting your shoreline, please contact Kris Larson for more information. 763-434-2030 x110, This email address is being protected from spambots. You need JavaScript enabled to view it..

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Rum River Streambank Stabilization – Grants Available to Landowners

The Anoka County Parks Department recently received a grant to implement conservation practices along the Rum River. Landowners on the Rum have access to funding to address riverbank erosion with a unique method known as cedar tree revetments. Cedar tree revetments are a low cost, but effective, means to address minor to moderate bank erosion before it gets worse and more expensive to fix. The technique involves cable-anchoring cut cedar trees alongside the bank. Cedar tree's dense branches are naturally rot-resistant and can provide many years of bank protection. This armoring technique helps protect property value, improves water quality in the river, and provides quality fish habitat.

Residents interested in having their riverbank evaluated for a cedar tree revetment should contact Kris Larson at the Anoka Conservation District (763-434-2030 ext. 110; This email address is being protected from spambots. You need JavaScript enabled to view it.). Installation of revetments will occur throughout the summer in 2021-2022. Most projects cost $5,000-$10,000. Landowners must provide 10% of the total project cost; the remaining 90% is grant-funded.

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