Report a Bloom Sighting

When you report a bloom via this site, it will be included in the registry and reviewed for verification. Please also notify the Department of Environment and Resource Management or your local council about your bloom sightings (see contact details).

Download the complete Field Guide to Coastal Algal Blooms (PDF 5.4 MB)
Download only the Algal Bloom Report Form (115 KB)

Location of Bloom * Required Fields  
* Location /
Nearby Landmarks
Location/Landmarks: The name of the area - for example a town, suburb, beach, or river. Include details of any landmarks to help to identify the precise location eg. a jetty or street name.
Region/Lat/Long: Moving the icon in the map will update the Region/Latitude/Longitude field in the form. Zoom in to the location for more precise coordinates. You can enter the lat/longs directly into the field if preferred.
* Latitude/Longitude /

Zoom in and drag the icon in the map to point to the location of the bloom.

Bloom Details
* Date / / The date and time the bloom was observed.
* Intensity (0-4) The percentage of substrate/seagrass covered by algae.
* Description of the bloom Provide any relevant information about the bloom, such as colour and thallus morphology to try to identify the species. Other useful information to note might be:
  • the origin of the bloom (e.g. a nearby river mouth)
  • any nearby environmental disturbance or impacts (eg stormwater drain, fish kill)
  • evidence of actions taken (eg. bulldozing, signage)
Get help with characteristics to describe or
identifying the species.
  Area of coverage
An approximation in square metres.
  Upload Photo To upload an image to our server from an iPhone using this form, the Picup application must be installed (see For all other browsers, just upload the photo file as you would normally by clicking ‘ Browse’ or ‘Choose File’.
Contact Details
* Name Please provide a contact name and email or phone number for verification of the sighting. Your contact details will be kept confidential and used only with this website.
* Email / Phone
Additional Comments Use this field to provide any other information about reporting this event, problems with using this form, or anything we need to know about contacting you.
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