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Evening Standard
Evening Standard
National
Jonathan McCambridge

Year’s first cases of blue-green algae confirmed in Lough Neagh

Blue-green algae has returned to Lough Neagh with the first confirmed cases of 2025, the Northern Ireland Environment Agency (NIEA) has confirmed.

Noxious blooms of the algae covered large parts of the lough, the UK’s largest freshwater lake by surface area, during the previous two summers and also affected other waterways and beaches in the region.

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