Les Grandes Vallees

18.5°C Water temp · Jun 8

France Coastal 1 - Excellent 18.5°C

Satellite image of LES GRANDES VALLEES — Satellite image © Esri

Grandes Vallées is a bathing beach located in the commune of Pornic in Loire-Atlantique, France. The beach is situated along the Atlantic coast and is subject to tidal influences with currents and wave action from the west. The beach is used for swimming and recreational activities during the bathing season. Water quality monitoring has been conducted over a multi-year period to assess bacteriological conditions and potential pollution sources.

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Water

Atlantic coastal bathing water off Pornic. Subject to tidal cycles, ocean currents during spring tides, and western wave action. The beach faces the Atlantic Ocean with hydrographic characteristics influenced by the Loire estuary system.

Location

Pornic, Loire-Atlantique, France. The beach is accessible with equipment and facilities present on-site.

Facilities

Equipment and amenities are present on the beach, including a restaurant.

Water Quality

Water quality has been monitored from 2000 to 2010 with bacteriological analysis. Assessment follows the 2006 European directive standards. Potential pollution sources identified include coastal rivers, stormwater outfalls, wastewater treatment stations, wastewater networks, stormwater networks, diffuse agricultural pollution, non-collective sewerage systems, and accidental point sources.

Risks

Risk of cyanobacteria proliferation has been identified. Episodic degradation events linked to marine pollution have been recorded. Stormwater discharge and wastewater system overflow represent potential pollution risks.