General Information

Event name: US-98-025
Nature of the harmful event:
Water Discoloration
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: No
Individuals to contact: OSTASZ, Michael J.

Location & Date

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Location: Latitude: 57.533333, Longitude: -134.516667
General location information: Kootznahoo Inlet., Alaska.
HAB Area code(s): US-25
Additional location information: A water passage 6 miles long extending from Mitchell Bay to Chatham Straits, at Angoon, on W. coast of Admiralty Isl.
Bloom event dates (yyyy/mm/dd): Event Date:1998-09-01
Start: 1998-09-01,
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Plenty of rain seen during and before this siting. 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: water temperatures have increased in this area from low 50's F. to 62 F.

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: trying to secure sample for identification at our laboratory
Additional harmful effect information: Red discoloration of water