General Information

Event name: US-01-018
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Other ( )
Event directly affected:
Natural Fish
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (North Carolina Department of Water Quality.)
Event occurred before in this location: No
Individuals to contact: Web page

Location & Date

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Location: Latitude: 34.807500, Longitude: 76.456667
General location information: Carteret County, Core Sound, near Davis., North Carolina.
HAB Area code(s): US-11
Additional location information: Eastern North Carolina. Core Sound is a lagoonal estuary.
Bloom event dates (yyyy/mm/dd): Event Date:2001-06-21
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Chattonella spp. (3,370,000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Menhaden and pinfish (1000) were killed. Suspended particles, possibly associated with adjacent fish packing operation. Dark surface film reported. Oxygen levels were not low. NC Dept. Water Quality staff identified Chattonella.
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information: