UK’s largest lake faces environmental crisis as rescue plans stall

The UK’s largest lake, Lough Neagh, is on course to record its worst year of potentially toxic algal blooms to date, as rescue plans remain deadlocked.

As a ban on eel-fishing in the lake is extended yet again, with local fishers’ incomes falling by 60% since 2023, there have so far this year been 139 detections of cyanobacteria (blue-green algae) growths recorded at the lough and its surrounding watercourses, according to a government pollution tracker. This is more than treble the number for the same point in 2024 (45). The data covers the 400 sq km freshwater lough, its tributaries, and smaller peripheral bodies of water, including Portmore Lough and Lough Gullion.

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