General Information

Event name: US-16-031
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: <20ppb (0.000013 to 0.00647ppm))
Associated syndrome: OTHER
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Maryland Phytoplankton Monitoring Program)
Event occurred before in this location: Yes
Individuals to contact: WAZNIAK, Cathy

Location & Date

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Location: Latitude: , Longitude:
General location information: Tangier Sound (EE3.0)/ Pocomoke Sound (EE3.3),
HAB Area code(s): US-10
Additional location information: April 13 and 14 samples contained elevated levels of PN
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Pseudo-nitzschia spp. (2,587,000 cells/L)
April 14, 2016
Co-Ocurring Species/Genus:
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: Advected
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Pseudo-nitzschia sp. Domoic Acid ELISA
Kit used: Yes Type of kit used: Elisa
Additional information: Elisa kit used
Economic losses: none
Management decision: no closures
Additional harmful effect information:
Created at 06:36 on 23 Mar 2017
Updated at 07:25 on 10 Mar 2020