General Information

Event name: US-15-019
Country: UNITED STATES
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: Maximum levels of PSP toxin: 319-1581 g. Maximum levels of DSP toxins: 19 g.)
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): Blue mussels
Report the outcome of a monitoring programme: Yes (Marine Biotoxin Program at the Washington State Department of Health, Office of Environmental and Health and Safety.)
Event occurred before in this location: Yes (SP closures have occurred throughout North Puget Sound previously. The first DSP closure in North Puget Sound was in 2012.)
Individuals to contact: BORCHERT, Jerry , KUKLOK, Audrey

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Washington State, North Puget Sound, Pacific Northwest
HAB Area code(s): US-24
Additional location information: PSP closure 4/14/15 to 8/28/15. DSP closure 6/8/15 to 7/24/15.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2015-04-14, End: 2015-08-28
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium catenella ( cells/L)
Co-Ocurring Species/Genus: Dinophysis spp. ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Blue Mussels Saxitoxins 1581g Bioassay-Mouse
Blue Mussels Okadaic Acid 19g LC-MS
Kit used: No Type of kit used:
Additional information:
Economic losses: Recreational and commercial shellfish harvest seasons were interrupted, causing an economic loss to the North Puget Sound Washington communities
Management decision: DOH closed shellfish harvesting at impacted areas to protect public health
Additional harmful effect information:
Created at 09:04 on 7 Feb 2017
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES