A ‘do not swim’ notice has been issued for a popular Dublin beach following an overflow at a nearby wastewater treatment plant. Fingal County Council issued the warning for Malahide Beach in north Dublin after receiving notification from Uisce Éireann of an overflow at the local wastewater treatment plant. A file image of swimmers at Malahide Beach in Dublin. Pic: Colin Keegan/Collins DublinWhile Malahide Beach remains open to the public, people are being urged not to swim while the notice is in place. A file image of swimmers at Malahide Beach in Dublin.