Minnesota Aquatic Invasive Species (AIS) Laws
Minnesota uses a tiered system to classify AIS and state laws to minimize introductions of AIS. This classification system establishes allowable uses for each species and the MN DNR was regulatory authority over AIS.
It is illegal to possess, import, purchase, or transport prohibited invasive species. The only exception is under a permit for disposal, research, or education. Species under the prohibited list that threaten the Arrowhead region include:
You may possess, sell, buy, and transport regulated invasive species. However, it is illegal to introduce them to public waters. Regulated species threatening the Arrowhead include:
Unregulated Nonnative Species
These are nonnative species that are not being regulated because they are not causing harm to the environment or economy. They include the rainbow trout, brown trout, house sparrow, pigeon and the common rat.