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Washington, Oregon Checking Boats This Summer To Keep Invasive Mussels Out Of Waters
Posted on Friday, July 08, 2011 (PST)

People hauling boats to and from Washington waterways this summer may be stopped by Washington Department of Fish and Wildlife enforcement officers conducting mandatory checks of boats, trailers and gear for aquatic invasive species.


The annual check stations and emphasis-patrol program has begun in several parts of the state and will continue through the boating season. The aim is to keep tiny zebra mussels, quagga mussels and other non-native species out of Washington to protect native fish, wildlife and water systems.


So far this year, enforcement officers have checked 20 vessels with aquatic invasive species attached, said WDFW Enforcement Sgt. Carl Klein, who noted they also caught someone with a stolen boat.


“Our preference is to work with boaters so they understand the importance of keeping these species out of our state,” said Klein. “But we do have the authority to seize boats for decontamination or forfeiture.”


Aquatic invasive species spread by attaching themselves to boats and other water-based equipment. Once established, the non-native mussels and other aquatic invasive species multiply quickly and threaten native fish and wildlife by consuming available food and smothering other species.


Besides endangering native aquatic species, they can clog water-intake systems at power plants, irrigation districts, public water systems and other facilities. That could result in billions of dollars of economic damage, Klein said.


“These invasive mussels have already spread to other waterways in several western states,” said Klein. “That’s a big concern, because if they get into our waters, they will likely spread rapidly and cause a great deal of damage.”


The invasive mussels are present in waters in several western states, including Colorado, Utah, Nevada, Arizona and California.


Importation of aquatic invasive species is a gross misdemeanor punishable by up to $5,000 in fines and up to a year in jail. Knowingly bringing such species into Washington is a felony and can result in even greater fines and jail time.


To avoid introducing aquatic invasive species, recreational boaters and anglers should always carefully inspect and clean their boats, trailers and equipment before moving their vessels from one body of water to another, said Allen Pleus, WDFW aquatic invasive species coordinator.


Boaters should clean off any mud, vegetation or debris, drain any water from where they last boated, and then thoroughly wash and dry their boat and trailer when they get home.


Besides cleaning boats and trailers, boaters should also be aware that diseases and juvenile stages of some species can be inadvertently transported in bait buckets, live-fish well water and ballast tanks, said Pleus.


Law enforcement officers have the authority to stop and inspect vessels under RCW 77.12.879. Since 2002, when Washington passed a law prohibiting importation of aquatic invasive species, WDFW has worked to educate boaters about invasive species, provided free vessel inspections and issued warnings. In cooperation with the Washington State Patrol (WSP), WDFW also has focused on inspecting commercially hauled watercraft at the state’s port-of-entry highway weigh stations.


“It’s up to boat owners and operators to be responsible for their vessels if Washington is going to be successful at keeping aquatic invasive species from spreading to state waters,” said Pleus.


Zebra and quagga mussels are native to the Caspian Sea. They entered the Great Lakes in the mid-1980s in ship ballast water, and have since spread. Both zebra and quagga mussels are easily transported on boats and trailers because they can live out of water for up to a month.


For more information on all aquatic invasive species and how to prevent their spread, visit WDFW’s website at


Boaters headed to Oregon waterways may be asked to stop to have their motorboat or paddlecraft inspected in an effort to keep Oregon’s waters healthy and free of invasive species.


Inspection stations are operated by the Oregon Department of Fish and Wildlife at highway rest stops and at boat ramps across the state. Inspection teams are based in La Grande, Madras, Clackamas and Central Point.


Travelers are asked to look for “Boat Inspection Ahead” signs and be prepared to pull off at the rest area. Inspections will be done Wednesday through Saturday and usually take about 10 minutes if boats are free of invasive species. If a boat is found to be contaminated with aquatic invaders, it will be cleaned by a mobile decontamination team.


By voluntarily stopping for boat inspections, a boater is not subject to penalties or fines associated with transporting aquatic invasive species.

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