Weed Management

Beetles being released on a site that is infested with leafy spurge.

Biological controls are being used where appropriate. Leafy spurge beetles (Aphthona lacertosa or Aphthona nigriscutis) are released in infestations of Leafy spurge to control this noxious weed over time without expensive chemicals or mowing. The beetles feed on the foliage but their larva do the real damage, feeding underground on the roots.

Wild parsnip (Pastinaca sativa) is an invasive biennial weed that is beginning to become a problem on roadsides in Mille Lacs County. The “juice” or sap from this plant causes severe burns when it reacts with sunlight on skin. Burns will blister and may leave scars. This plant posses a threat to human safety and therefore needs to be controlled when it is growing in areas where people are likely to come in contact with it.

Weed infestations are being inventoried using GPS technology to aid in control and management decisions.

SWCD Herbicide Treatment Resolution

The Mille Lacs SWCD Board adopted a Herbicide Treatment in District Projects Resolution on January 10, 2018. The SWCD strongly encourages landowners to use non-chemical methods to control weeds. Herbicide Treatment Resolution #2018-01

Minnesota Noxious Weed Law

Some plants are labeled noxious because they can harm people, animals, the food we eat, and nature. Here is a complete list of the Noxious Weeds in Minnesota: 2019 MN Noxious Weed List Fact Sheet For more detailed information follow the link to the Department of Agriculture https://www.mda.state.mn.us/plants/pestmanagement/weedcontrol/fsmnwp.aspx

Minnesota Noxious Weed Identification Book


County Ag Inspector (CAI)

What is a County Ag Inspector? The County Ag Inspector is responsible for enforcement of the MN Noxious Weed Law and many other tasks designed to them.

The SWCD provides the CAI role to Mille Lacs County. The staff of the SWCD are delegated by Mille Lacs County to fulfill the duties of County Ag Inspector. The SWCD provides management recommendations to the Public Works Department to fulfill the County requirement to control weeds on its lands, primarily road right-of-ways.

What do we do?  Seed Sampling, Pesticide Applicator License Testing, Publish Required Notices and Reports, Local Weed Manager Training, Provide Information and Recommendations about Plant Science and Management, Noxious Weed Enforcement and assistance to Township and Local Weed Inspectors, Noxious Weed Management, Primary Contact for Biological Control, .


Annual Mille Lacs County Local Noxious Weed Management Meeting was held on Tuesday, April 2, 2109. 


Mille Lacs County Integrated Roadside Vegetation Management Plan (IRVM)

Beginning in 2012, the Mille Lacs Soil and Water Conservation District (SWCD), the County Public Works Department, and the County Ag Inspector developed this management plan for controlling weeds primarily utilizing mechanical control (mowing) on roadside right-of-ways as a proactive way to address roadside management. Components of the plan may include all operations that are normally conducted to maintain roadside vegetation, erosion control, and roadside safety issues.

A copy of Mille Lacs County IRVM Plan is HERE for more detailed information.



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Mille Lacs SWCD is located in the lower level of the Mille Lacs Historic Courthouse at 635 2nd Street SE in Milaca.

Phone: 320-983-2160

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