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Emerald Ash Borer Quarantine and Regulatory Information

Emerald ash borer (EAB) is a serious invasive tree pest. A quarantine restricting the movement of regulated materials has been established to help slow the spread of EAB to other areas in Minnesota. See the Emerald Ash Borer status map for current infestation locations. 

Regulated Articles

The Minnesota Department of Agriculture (MDA) considers the following materials regulated articles:

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

Quarantined Counties

The MDA has confirmed EAB in Itasca County. There are now 59 counties in the state with known EAB infestations. 

The MDA issues quarantines for counties where EAB is confirmed to reduce the risk of spreading this tree-killing insect. The quarantine limits the movement of firewood and ash materials within Minnesota and out of infested counties.

See Quarantine Map for details.

A virtual informational meeting for residents and tree care professionals in Itasca County was held with MDA experts. A recording of that presentation, along with previous informational meetings, is available on the MDA YouTube channel

Movement of Regulated Articles 

Regulated articles may not be moved into Minnesota without written approval and proper documentation submitted to the commissioner of agriculture.

Regulated articles may not be moved out of a quarantined area, whether treated or untreated, unless accompanied by an MDA certificate.

MDA certificates are issued only after a Compliance Agreement (CA) is signed between the Minnesota Department of Agriculture and the company, city, county, agency, or organization seeking to move regulated articles.

A Compliance Agreement is a written agreement between a person or organization and a regulatory agency to ensure compliance with regulatory requirements. For more information about Compliance Agreements, visit the Frequently Asked Questions or submit a report through Report A Pest.