Tuesday 6 October 2026
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More blue green algae

Scottish Environment Protection Agency confirmed on Thursday that Lunnister Loch in Sullom and Spiggie Loch, Dunrossness, are affected by blue green algae.

SEPA said that the moment there is no adverse effect on water supplies.

Notices will be posted next to the lochs warning against contact with the algal scum.

Adjoining landowners have been notified, as have the anglers association, RSPB and NHS Shetland.

On Friday, Shetland Islands Council also confirmed that blue green algae was found in Tingwall Loch, which also runs into Asta Loch to the south.

This means that a total of five lochs are currently affected, with algae found in Lerwick’s Clickimin Loch and Strand Loch in Tingwall last month.

Contact with the algae may give rise to skin rashes, eye irritations, vomiting, diarrhoea, fever and pains in muscles and joints. It is also known to kill livestock and dogs.

 

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