Utah State Parks Blog

Over 2,700 Boats Inspected at Lake Powell Labor Day Weekend

From the Utah Division of Wildlife Resources:

SALT LAKE CITY — Law enforcement officers, biologists and technicians for the Utah Division of Wildlife Resources had a busy Labor Day weekend, working to prevent invasive quagga mussels from spreading.

A total of 2,766 boats were inspected at Lake Powell and in the surrounding area from Aug. 31 to Sept. 2. The inspectors performed 98 full decontaminations and issued 44 citations. The individuals towing boats received the citations for either not stopping at the inspection stations or for transporting their boats with drain plugs still in. One person was arrested for driving under the influence.

Lake Powell is still the only waterbody in Utah with quagga mussels, and the increased inspections are focused on keeping the invasive species from spreading to Utah’s water-delivery systems and other local waterbodies.

“Our teams have worked extremely hard to decrease the chance of invasive mussels spreading to other water bodies,” Scott Dalebout, the DWR statewide operations lieutenant, said. “They have worked 14-hour days in 105-degree heat to inspect these watercraft. We’ve also kept some of our inspection stations open longer to check boats coming off the lake after dark, which would never have been inspected otherwise.”

During the holiday weekend, several of the inspection stations at Lake Powell were open until almost 10 p.m. A total of 133 boats were inspected from 7:30 p.m. to almost 10 p.m.

Boaters should remember that they must stop for open, mandatory AIS inspection stations and to always clean, drain and dry their watercraft before leaving Lake Powell. Visit the DWR website for a list of all the decontamination stations around the state. 

Why are quagga mussels so bad?

  • They plug water lines, even lines that are large in diameter.
  • If they get into water-delivery systems in Utah, it will cost millions of dollars annually to remove them and keep the pipes clear, which would likely result in higher utility bills.
  • They remove plankton from the water, which negatively impacts fish species in Utah.
  • Mussels can clog your boat’s engine-cooling system and damage the engine.
  • When mussels die in large numbers, they stink. The sharp shells of dead mussels can cut your feet as you walk along the beaches.

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