Deputy Governor Theodoros Markopoulos signed a decision listing coastal areas in the Kavala and Thassos regional units where swimming is discouraged for precautionary reasons during the 2026 season, covering stretches of water not subject to regular monitoring. Named areas include the stretch from Karnagio to the Michalis centre in Perigiali, Kavala, and a 50-metre buffer zone in front of any active stormwater or stream outfalls reaching the sea. Local authorities are required to notify public health officials immediately in the event of sewage-related sea pollution, pending a formal temporary swimming ban if needed.