Harmful Algal Information System: Event US-17-007

General Information

Event name:	US-17-007
Country:	UNITED STATES
Nature of the harmful event:	Water Discoloration , High Phyto concentration , Other ( Intense smell)
Event directly affected:	Humans
Toxicity detected:	No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes (NC Div. Water Resources Ambient Monitoring)
Event occurred before in this location:	Yes (Summer 2015/2016)
Individuals to contact:	Fensin, Elizabeth

Location:	Latitude: 36.209722, Longitude: -76.726667
General location information:	Ablemarle Sound/Chowan River, HAB Area code(s): US-11
Additional location information:	Low salinity estuary (0.04-.97 ppt)
Bloom event dates (yyyy/mm/dd):	Start: 2017-06-12, End: 2017-08-12
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	Decaying, stinking surface blooms 6/22-8/2

Causative organism known:	Yes
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	320 ug/L µg/l
Additional bloom information:	No financial estimate yet, but residents did not like having to miss water recreation; city council worried about tourism impacts.
Event-related bibliography:

Nutrient information:

PHOSPHATE: .15 mg/L

Temperature Range During Event:

Max: 35.6 °C, Min: 27.4 °C

Salinity Range During Event:

Max: .86, Min: .04

Bloom location in the water column:

Whole column

Growth:

Growth Comments

Cell counts highest on 6/22/17

Additional Environmental information:

Species containing the toxin

Toxin type

Toxin details

Max. concentration

Assay type

Kit used:

Type of kit used:

Additional information:

Economic losses:

Management decision:

Additional harmful effect information:

Created at 05:52 on 23 Apr 2018