Utah Division of Wildlife Resources

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.

08/07: Invasive mussels detected in Lake Powell

Boaters asked to inspect their vessels for mussels

03/07: Quagga mussels threaten Utah

Destructive mussels only miles from Utah's border

01/07: Quagga mussels threaten Lake Powell

An aggressive shell fish has invaded several lakes near Lake Powell. And Utah Division of Wildlife Resources biologists are concerned about the effect quagga mussels could have on the fantastic fishing at the lake.