Minnesota State Permit Rules | Lake Bottom Blanket

Benthic Barrier Permit Regulations in Minnesota

In Minnesota, aquatic weed control is regulated by the Department of Natural Resources (DNR). The state aims to protect native aquatic plants while allowing lakeshore property owners to manage invasive species.

Can I Use Benthic Barriers for Aquatic Weed Control in Minnesota?

No, the use of benthic barriers for aquatic weed control is prohibited in Minnesota. The state has some of the strictest regulations in the nation regarding aquatic plant management. Purchasing a Lake Bottom Blanket or similar product for use in Minnesota is done at the buyer’s risk, and refunds will not be issued.

What Invasive Aquatic Plants Are Present in Minnesota?

Minnesota waters host several invasive aquatic plant species, including:

Brazilian Elodea
Curly-leaf Pondweed
Eurasian Watermilfoil
Purple Loosestrife

These species can outcompete native plants, disrupt local ecosystems, and hinder recreational activities.

What Are the General Aquatic Weed Control Regulations in Minnesota?

The Minnesota DNR requires property owners to follow these regulations:

Permit Required for Large-Scale Removal: Cutting or pulling submerged vegetation over 2,500 square feet requires a permit.
Emergent Vegetation Removal: Removing emergent vegetation like cattails and bulrushes also requires a permit.
Herbicide Use: Permits are needed to apply herbicides, and users must follow label instructions and notify the DNR before treatment.
Small-Scale Removal: Mechanical removal without a permit is allowed for smaller areas under specific conditions.

What Are the Environmental Considerations for Aquatic Weed Control in Minnesota?

Controlling aquatic weeds should be done with environmental awareness:

Herbicide Application: Must be done carefully, following label instructions and DNR guidelines to protect water quality.
Prevent Nutrient Runoff: Minimizing runoff from lawns and maintaining vegetative buffers along shorelines helps prevent excessive weed growth.
Proper Disposal: Removed vegetation must be disposed of correctly to avoid reintroducing it to the water.

What Are the Risks Associated with Aquatic Weed Control in Minnesota?

Invasive Species Spread: Improper handling and disposal of vegetation can contribute to the spread of invasive species.
Water Quality Impact: Herbicide use and nutrient runoff can affect water quality and aquatic ecosystems.
Permit Violations: Failing to comply with regulations may result in penalties and potential damage to the aquatic environment.

Where Can I Find More Information on Aquatic Weed Control in Minnesota?

Minnesota DNR’s Aquatic Plant Management Program: Offers resources, guidelines, and permit applications for aquatic plant management.
Local Aquatic Plant Management Permitting Staff: Available to provide guidance and answer specific questions about local regulations.

For more details, visit the Minnesota DNR’s Aquatic Plant Management Program website or contact your local permitting staff. If you have updates regarding Minnesota’s permitting guidelines, please let us know at info@lakebottomblanket.com.