Portmain

18.5°C Water temp · Jun 8

France Coastal 1 - Excellent 18.5°C

Satellite image of PORTMAIN — Satellite image © Esri

Portmain beach is located in the commune of Pornic in Loire-Atlantique, France. The beach is situated in a coastal area subject to tidal influences and oceanic conditions including currents and wave action. The bathing water profile documents potential pollution sources and water quality characteristics for this Type 1 profile beach.

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Water

Atlantic coastal bathing water. The beach experiences tidal variations with both high and low tide conditions. The area is subject to ocean currents, wave action (houle), and wind regimes typical of the Loire-Atlantique coast.

Location

Portmain beach, commune of Pornic, Loire-Atlantique department, France. The beach is located on the Atlantic coast and is accessible by a boat launch facility (cale de mise à l'eau).

Water Quality

Bathing water quality monitoring data available for the period 2000-2010. The profile includes historical bacteriological water quality records and assessment under the 2006 directive. Water quality classification and monitoring results are documented in the vulnerability profile.

Risks

Potential pollution sources identified include coastal streams (ruisseaux côtiers), rainwater discharge outlets (exutoires pluviaux), sewage networks (réseau d'eaux usées), stormwater networks (réseau d'eaux pluviales), diffuse agricultural pollution, and non-collective sanitation systems. The beach is subject to episodic degradation events. Macro-algae and phytoplankton proliferation potential is documented.