Fort Larron

18.3°C Water temp · Jun 8

France Coastal 1 - Excellent 18.3°C

Satellite image of FORT LARRON — Satellite image © Esri

This is a bathing water vulnerability profile for the municipality of Noirmoutier-en-l'Île, covering six designated bathing beaches: Fort Larron, Sableaux, Dames, Clère, Grand Vieil, and Linière. The profile documents hydrological, geomorphological, and oceanographic characteristics of the area, along with water quality monitoring and pollution source assessment. The study includes sanitary quality evaluation of bathing waters, shellfish harvesting areas, and macroalgae proliferation potential.

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Water

Marine waters of the Atlantic Ocean adjacent to Noirmoutier-en-l'Île. The area includes tidal zones with varying depths and salt marshes. Marine substrate composition and general current patterns are documented for the coastal region.

Location

Noirmoutier-en-l'Île municipality, Vendée region, France. The profile covers six beaches: Fort Larron, Sableaux, Dames, Clère, Grand Vieil, and Linière.

Water Quality

Water quality monitoring conducted by ARS and IFREMER network. Quality data for bathing waters and recreational shellfish harvesting areas documented. Potential pollution sources identified including non-collective sanitation, collective sewerage systems, wastewater treatment stations at Casie-Barbâtre and Salaisière, stormwater discharge points, and salt marsh activities. Measurement campaigns conducted in July and August 2010.

Risks

Potential contamination from sanitation infrastructure, wastewater discharge, stormwater runoff, and salt marsh operations. Macroalgae proliferation potential documented. Wind and precipitation conditions identified as factors affecting pollution dispersion.