Diarrhetic Shellfish Poison was detected at unsafe levels during routine sampling.
Shellfish from a long stretch of South King County coastline are unsafe to eat, and harvests in that area have been closed, according to the Washington State Department of Health.
Diarrhetic Shellfish Poison was detected at unsafe levels during routine sampling, the agency said.
Recreational shellfish harvest is closed from Three Tree Point south to the Pierce County line, including Des Moines Marina Park, Saltwater State Park, and Dash Point State Park. Clams, oysters, mussels, geoduck and scallops are off-limits there.
Closure signs are being posted by Public Health-Seattle & King County. There are actually dozens of restrictions and closures statewide, which should be checked at the state Biotoxin Website.
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Naturally occurring algae produces the diahrretic toxin. It has been common in Europe and is becoming an emerging problem in western Washington, the state says.