Under a voluntary program, a firewood dealer can be certified so their wood, grown and cut in Wisconsin, can be used in State Parks and state-managed lands throughout Wisconsin.

This certification is not required to sell firewood in Wisconsin.

Certification Process
There are two steps to becoming certified:

• Complete and submit a certification application

• Inspection by DATCP to verify the information presented on the application form.

The certification is valid for one year. Wisconsin certified firewood dealer listing. (Excel Spreadsheet), (PDF)

Certification Application
The application requires the following information:

• Legal name of firewood dealer and any trade names used within Wisconsin
• Address of the business and addresses of other business locations that sells or distributes firewood in the state
• Approximate annual volume of firewood sold or distributed in Wisconsin
• Sources of firewood
• Firewood treatment methods

Certification Application – 3 page PDF

Firewood Treatment Methods
To prevent the spread of invasive pests, certified firewood dealers must use one or more approved treatment methods including:

• Heat treatment to an internal temperature of at least 160° F (71.1° C.) at maintained at the temperature for at least 75 minutes.
• All bark and additional wood to a depth of at least ½ inch beneath the bark, is removed from each piece of firewood.
• The firewood is stored on the dealer’s premises for at least two years before it is sold or distributed in Wisconsin.
• The firewood is fumigated with a registered fumigant pesticide according to the pesticide label, to kill all pests that may inhabit the firewood.
• The firewood is treated in a manner approved, in writing, by the Wisconsin Department of Agriculture, Trade and Consumer Protection, to kill all pests that may inhabit the firewood.

For questions on the firewood dealer certification program, contact Bob Dahl, 608-224-4573 or send an email.