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Invasive mussels removed from Arizona’s Lake Powell

PAGE, Ariz. — More than a dozen invasive mussels discovered at Lake Powell
have been removed from the lake.

Boat inspections and decontamination stations have kept quagga mussels from
establishing themselves at Glen Canyon National Recreation Area on the
Arizona-Utah border.

The mussels have multiplied quickly in other waterways across the West,
clogging pipes and water intakes, and depleting food sources used by aquatic

Glen Canyon ecologist Mark Anderson said Wednesday that none of the 14 adult
quagga mussels recently found in Lake Powell were close enough together to mate.

The mussels had been attached to moored vessels and dock structures at the
Wahweap Marina.

A local business had reported four small shells on a boat that had been pulled
for maintenance.


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