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Notices and Resources


Invasive Mussels found in decorative Moss Ball products in Manitoba

March 30, 2021 - Zebra Mussels have been found in moss or decorative algal balls sold for aquarium, water garden and decorative plant use: Steps to treat and dispose of moss or algal balls, including revised Government of Canada methods to treat container, contents, equipment and water


Set fines for AIS offences are in effect year-round.

Enforcement officers may issue a ticket with a set fine for an offence that may introduce or spread aquatic invasive species (AIS) in Manitoba. Individuals and corporations can now face set fine for a variety of offences. Set fines range from $174 to $2,542 and are in effect year-round.

Fines under the Preset Fines and Offence Descriptions Regulation

Examples of offences and set fine amounts for individuals are below:

AIS Offenses Under The Water Protection Act 

Fine amount

Failure to possess a Transportation Authorization until watercraft or water-related equipment has been decontaminated


Failure to remove the drain plug or valve when transporting watercraft overland (with the exception of plugs used in onboard kitchen or washroom facilities)


Failure to drain the water from water-related equipment before leaving the shore of the water body

Failure to be free of AIS, aquatic plant and water prior to launching into a water body


Failure to put remaining bait that was used in an AIS Control Zone in the trash before leaving the shore of the water body


Failure for an operator of a motor vehicle transporting a watercraft to proceed directly to a watercraft inspection station

Possessing an aquatic invasive species in Manitoba


Failure to ensure water-related equipment is dried completely (or decontaminated) before placing into another water body

Depositing or releasing an aquatic invasive species into Manitoba


Failure to decontaminate watercraft or water-related equipment used in an AIS Control Zone prior to placing the equipment into another water body

Are you compliant with provincial AIS requirements? Find out what the AIS requirements are in the open water season and the winter (ice-covered) season.

Media Release


Removing Zebra Mussels from Shorelines

If you are looking to remove Zebra Mussels from shorelines such as your beachfront property, you must have an Aquatic Invasive Species (AIS) permit. AIS permits are reviewed on a case-by-case basis and may contain unique permit conditions.

To obtain an AIS permit, please be prepared to provide:

  • identifying information (i.e., name, address, email and / or phone number),
  • planned Zebra Mussel disposal method.

To apply for a permit, please contact:

Prevention and Adaptation Resources