Glacier Park Launches Phase of Invasive Species Response

Glacier National Park is implementing a third phase in its aquatic invasive species emergency response that will allow privately owned motorboats to launch on Lake McDonald following inspection and a 30-day quarantine.

In the wake of the detection of invasive mussels within 100 miles of the park’s eastern border last fall, Glacier Park’s first phase of the tiered response was to immediately close all park waters to all hand-propelled and motorized boat use when exotic mussels were detected in Montana. The second phase was to open park waters to hand-propelled boat use following a new, rigorous, hand-propelled boat-inspection process. In addition, the second phase included early season water sampling using eDNA technology, and allowed concession rented and operated motorized tour boats to launch on park lakes.

Within the next month, the park will begin allowing approved motorized boat use on Lake McDonald in Glacier National Park by privately owned motorboats as part of a third phase in its response.  Click on the following quote to access the full story.

“Quarantining a cleaned, drained and dry boat for 30 days ensures that all invasive mussels and mussel larvae that may be missed during an inspection or decontamination process are dead,” Glacier National Park Superintendent Jeff Mow said in a prepared statement. “Our objective is to provide an appropriate level of user access to the extent that we can, and ensure that those motorboats do not pose a risk to park waters.”


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