Boating Tips

Does Your Boat Have Cooties?

As much as we hate to admit it, once again the folks in California are leading the rest of the country, and maybe the world, when it comes to protecting against invasive species spreading to freshwater locations. Ballast water dumped by ships is picked up by trailerable small craft, which go from salt water to fresh water, then hop around. As they travel, the organisms in their bilge water are attached to their hull and running gear drop off and find new homes. The zebra mussels have been a prime example of this spreading eco-problem. More and more, conservation authorities responsible for keeping lakes and streams from contamination are requiring that trailerable boats visit “decontamination” stations. Inspection and decontamination are now required on Lake Tahoe.

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This may be the way to protect freshwater locations all over the country from the spread of destructive invasive species.

INCLINE VILLAGE, Nev. — Inspectors decontaminated six vessels for invasive mussels over Memorial Day weekend and found three more cases that raised alarm, a Tahoe Resource Conservation District (TRCD) spokeswoman said.

Nicole Cartwright, a conservation planner for TRCD’s invasive species program, said quagga mussel shells were found at the Tahoe Keys on a 30- to 35-foot Sea Ray boat, purchased from Lake Pleasant, Ariz. That boat was decontaminated at the TRCD office near Emerald Bay.

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Lake Powell decontamination station can handle boats coming and going or just going. Hydro Engineering Inc.'s decontamination systems have the “Hydropad” which collects the water, drains it off then pumps it to tanks to be filtered and treated.

“This shows us that the inspection program is working and the inspectors are taking their job seriously,” said Dennis Oliver, a spokesman with the Tahoe Regional Planning Agency.

Five other boats underwent a full to partial decontamination during the holiday weekend, but did not have shells on their engines, hulls or other parts, Cartwright said.

“There were not physical mussels but they were from at-risk areas and had some kind of standing water,” Cartwright said.

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Lead watercraft inspector Jonelle Bright works on decontaminating a boat of mussels in a quarantine area in South Lake Tahoe.

Inspectors also found a 40-foot Chris-Craft and 32-foot Grand Banks at Obexer’s Boat Company at Homewood with mussel shells. The shells were not quagga or zebra mussels, and California Department of Fish and Game biologists are investigating if they are a saltwater subspecies, said Warden Bob Pera.

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Trailerable Hydroblaster. The company says that over 500 are in use in the Middle East.

“No matter what they are, these boats are going to have to be decontaminated,” Pera said. “We know at least they don’t belong in Lake Tahoe so they are not going to get there.”

The vessels, which hailed from the Alemeda and Oakland areas in California, are scheduled for decontamination Thursday and a final inspection Friday, Pera said.

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The larger the boat, the bigger the bilge and the more places for invasive species to hangout. The Hydromat is a fully licensed and patented technology that allows a boater to pull watercraft on top, wash, collect and contain all wastewater. It sets up in minutes—ready to wash at any remote location.

Another vessel was inspected at Ski Beach in Incline Village, and found to have barnacles attached to it, but was not decontaminated, Cartwright said.

Zebra mussels were found at San Justo Reservoir, about 250 miles away from Lake Tahoe. Shortly after, the bi-state federal Tahoe Regional Planning Agency enacted new polices requiring boat inspections.

Beginning in June boaters will have to pay for inspections on a sliding scale to fund the program.

Quagga and Zebra Mussels

Quagga and zebra mussels multiply rapidly once introduced to a water source. They can clog infrastructure, destroy boat engines, and leave layers of sharp shells on beaches. They have never been successfully removed from a large body of water.

They are not known to be present in Lake Tahoe.

These are the latest cases where inspectors have found invasive mussels on a vessel attempting to enter Lake Tahoe. In May 2017, inspectors discovered a quagga mussel on a watercraft at a boat-inspection station.

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Hydroblaster invasive species decontamination systems are a complete package of equipment delivered with everything needed to protect a body of water, according to Hydro Engineering Inc. Washing, wastewater capture, and containment and wastewater recycling equipment is all included.

For more information about Hydro Engineering’s products go to their marine website…