Blue-Green Algae - News Update - 17th May 2024

As algal blooms are often associated with warmer conditions coupled with longer day light hours, the likelihood of blooms developing is expected to increase. As we move into the summer months the public are advised to remain vigilant and to follow signage erected by local authorities along our rivers, lakes and shorelines.

Blue-Green Algae - Confirmed Locations

Blue-Green algae, or cyanobacteria as they are correctly called, have the potential to release toxins and the public is reminded that blue-green algae can be harmful to humans and is highly toxic to animals.

To date in 2024 NIEA have had 22 confirmed reports at 11 locations.

Please click the link above for up to date locations.

NIEA will continue to investigate reports of algal blooms submitted through the incident hotline or Bloomin’ Algae App to confirm if blue green algae are present. Notifications of confirmed blooms are then sent to the person who reported the bloom and the relevant local authority and other stakeholders.

Members of the public can report suspected blue green algal blooms in several ways - via the Bloomin Algae App which can be downloaded at: https://www.ceh.ac.uk/our-science/projects/bloomin-algae(external link opens in a new window / tab)(external link opens in a new window / tab) or e-mail emergency-pollution@daera-ni.gov.uk or phone 0800 80 70 60.

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