Glen Canyon to quarantine boats found with invasive mussels - East Valley Tribune: Arizona

Glen Canyon to quarantine boats found with invasive mussels

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Posted: Friday, June 6, 2008 11:42 am | Updated: 9:53 pm, Fri Oct 7, 2011.

PAGE -The National Park Service says boats found to be carrying live adult quagga or zebra mussels into the Glen Canyon National Recreation Area along the Arizona-Utah border will be quarantined until a biologist can inspect them.

The invasive mussels pose a threat to water systems across the west. Quaqqa mussels have been found in lakes Mead, Havasu and Mojave on the Colorado River and in two major aqueducts that supply water to Southern California and Arizona since first being found in January 2007.

The thumb-sized mussels can clog pipes and gum up waterworks.

So far, none has been found in Lake Powell and the upper Colorado River and both are believed to be free of the mollusks.

Boaters have been required to sterilize their craft or certify they are mussel-free before entering Lake Powell since March 2007. Violators face a $5,000 fine.

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