Beg Lann

22.6°C Water temp · Jul 22

France Coastal 2 - Good 22.6°C

Satellite image of BEG LANN — Satellite image © Esri

Beg Lann is a bathing beach in the municipality of Sarzeau, located in the Morbihan department on the Presqu'île de Rhuys peninsula in Brittany, France. The beach is situated in a coastal context characterized by oceanic and climatic influences typical of the Atlantic coast. The beach experiences tidal variations and is subject to wave and current dynamics. The area has demographic, economic, and touristic significance for the commune. The beach has defined regulated zones for bathing and foot-fishing activities.

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Water

Atlantic Ocean coastal bathing area. Tidal environment with recorded tidal heights at nearby Crouesty reference point. Subject to wave action and ocean currents. Hydrographic network and watercourses influence the zone.

Location

Sarzeau, Morbihan, Brittany, France. Located on the Presqu'île de Rhuys peninsula.

Water Quality

Bacteriological water quality has been monitored, with analysis of Escherichia coli and enterococci concentrations. Water quality classifications follow EU Directive standards (1976 and 2006 directives). Potential for macro-algae and phytoplankton proliferation has been assessed. Multiple pollution sources have been identified including wastewater network overflows, stormwater discharge, and treatment plant effluent.

Risks

Identified pollution sources include wastewater network overflows from pumping stations, stormwater runoff during rainy periods, treated wastewater discharge from treatment plants, and potential diffuse and accidental pollution. Macro-algae proliferation potential has been documented with seaweed collection recorded on Sarzeau beaches in 2009 and 2010.