Algal blooms: advice for the public and landowners

What to do if you see a bloom of algae in a river, lake or the sea.

Applies to England



Algae naturally occur in inland waters, estuaries and the sea. Blooms can form when their numbers become excessive. This guide describes the features of algal blooms, how they can affect you and what you should do if you see one.

Published 31 January 2017