03/13: National Park Service issues mussel monitoring update for Lake Powell
The National Park Service has identified 14 adult quagga mussels attached to moored vessels and dock structures at the Wahweap Marina in Lake Powell over the last week.
05/10: Quagga mussel may have been found in Sand Hollow
Divers have found what appears to be a live adult quagga mussel in Sand Hollow Reservoir, about eight miles southwest of Hurricane in southwestern Utah.
11/09: Nevada man found guilty in quagga mussel case (link is a PDF)
In the first trial involving the park's mussel prevention regulations, a federal judge has ordered a Nevada man to pay a
$2,500 fine for failing to have his boat inspected for mussels before launching it on Lake Powell.
06/09: New zebra mussel prevention requirements on Lake Powell
Effective June 29, 2009, self-certification of watercraft will no longer be an option at all major launch ramps and screening for the invasive mussels by trained personnel will be mandatory for all vessels.
02/09: Quagga mussels found in Red Fleet Reservoir
Laboratories in Colorado are still testing water samples taken from 38 lakes and reservoirs in Utah in 2008.
11/08: Zebra mussels found in Electric Lake
A small, high-mountain lake in southeastern Utah is the first body of water in Utah to test positive for zebra mussels.
10/08: Latest quagga and zebra mussel results
DWR continues work to protect Utah from devastating mussels. Electric Lake, the Colorado River near Moab, Red Fleet Reservoir and Lake Powell are the four waters the DWR has received conflicting results for AIS.