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Water Algae Information

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Water Algae Information

Algae are a natural phenomenon in many lakes in Ireland. When lake waters are enriched the algae may multiply significantly, particularly during warm weather conditions.

This often results in discolouration of the water and a scum may develop on the water surface. Although an ‘algal bloom/scum’ is not always harmful, contact with affected water can cause illnesses such as skin rashes, eye irritation, vomiting and diarrhoea.

It is advisable not to swim or paddle in waters with an algal bloom.

In certain cases algal blooms and related scums can be harmful to dogs and other animals. Farmers and dog owners should prevent access by their animals to waters where an algal bloom is evident.

If you would like to know more information regarding Cavan County Council and how we deal with Algae in lakes around County Cavan, please get in touch using the following details:

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