Sligo County Council has erected temporary signs prohibiting swimming or paddling in part of one of Sligo's most popular beach areas.
The council says it's a precautionary measure because of concerns about water quality in the Streedagh area near the mouth of the Grange River.
The council says it is carrying out an investigation to establish the cause of the deteriorartion in water quality.
However, the council says it is important to note that the water quality at Streedagh Beach remains excellent and is safe for bathing.
It's a point highlighted by the Mayor of Sligo and local Streedagh resident, Independent Councillor Marie Casserly.
She also pointed out work on a new sewerage treatment plant will start soon.
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