Guidance
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
Documents
Details
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.