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.

Updates to this page

Published 31 January 2017

Sign up for emails or print this page