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Emerald Ash Borer Quarantine and Regulatory Information

Emerald ash borer (EAB) is a serious invasive tree pest, and consequently a quarantine has been placed to help slow the spread of EAB to other areas in Minnesota (see Emerald Ash Borer Status in our state).

These are considered regulated articles by the MDA:

  • Ash logs
  • Ash tree waste
  • Ash chips and mulch
  • All firewood (non-coniferous)

Emerald Ash Borer Quarantined Counties

The Minnesota Department of Agriculture (MDA) has confirmed EAB in three new locations in Minnesota over this winter. EAB was confirmed in Aitkin County for the first time. There are now 54 counties in the state with known EAB infestations. In Pine and St. Louis Counties, infestations were discovered in new areas, expanding the original quarantine areas. The MDA has enacted a quarantine to limit the movement of firewood and ash material into Minnesota and out of infested counties. The MDA issues quarantines for all counties known to have EAB to reduce the risk of further spreading the tree-killing insect.
See Quarantine Map for details.

A virtual informational meeting for residents and tree care professionals will be held on Wednesday, March 26 from 10-11 a.m. Experts from the MDA will give a brief presentation followed by a question-and-answer session. The meeting will be recorded and made available on MDA's YouTube page

EAB Informational Meeting

Wednesday, March 26 10-11 a.m.

Register Here

The public has the opportunity to provide input and comment on the proposed emergency quarantines before they a formalized. The MDA is taking comments on the proposed formal quarantine now through May 5, 2025, and recommends adopting the quarantine on May 6, 2025. 

Comments can be made during the virtual meeting or by contacting:

Kimberly Thielen Cremers

Minnesota Department of Agriculture

625 Robert Street North

St. Paul, MN 55155

kimberly.tcremers@state.mn.us

No regulated articles are legally allowed to be moved into Minnesota without the written approval and the proper documentation provided to the Commissioner of Agriculture.

No regulated articles are legally allowed to move outside of a quarantine (untreated or treated), unless they are accompanied by a MDA certificate. MDA Certificates are only available when a Compliance Agreement (CA) is signed between the Minnesota Department of Agriculture and the company, city, county, agency, or organization interested in moving the regulated article.

A CA is a written agreement between a person and a regulatory agency to achieve compliance with regulatory requirements. For more information about CAs please visit our Frequently Asked Questions or contact the Report A Pest Hotline.