Publication - Advice and guidance

Cyanobacteria (Blue-Green Algae) in Inland and Inshore Waters: Assessment and Minimisation of Risks to Public Health

Guidance for health protection professionals on possible risks to public health of cyanobacteria (blue-green algae) in inland

and inshore waters. This guidance was updated in June 2024.

SUGGESTED TEXT FOR WARNING NOTICES

TEMPORARY/PERMANENT*

WARNING NOTICE

BLUE-GREEN ALGAL BLOOMS

High concentrations of blue-green algae have been found in this water.

swallowing the water or ALGAL SCUM OR SHORELINE MATS CAN CAUSE stomach upsets OR MORE SERIOUS HEALTH EFFECTS.

Contact with the water or WITH ALGAL SCUM can cause skin problems.

IT IS A SENSIBLE PRECAUTION FOR YOU, YOUR CHILDREN AND YOUR ANIMALS TO AVOID CONTACT WITH THE SCUM, ALGAL MATS AND THE WATER CLOSE BY.

NOTICE POSTED ON: <DATE>

EFFECTIVE UNTIL**: <DATE>

NOTICE POSTED BY: <NAME OF ORGANISATION>

<ADDRESS>

FOR FURTHER INFORMATION

TELEPHONE

* AS APPROPRIATE ** FOR TEMPORARY NOTICES ONLY

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