Castero

14.2°C Water temp · Jun 8

France Coastal 1 - Excellent 14.2°C

Satellite image of CASTERO — Satellite image © Esri

This document is a vulnerability profile for bathing zones in Quiberon, France, covering four beaches: Goviro, Conguel, Porigo, and Castero. The profile was created in December 2010 by SAUR Centre Morbihan and examines geomorphological context, oceanographic and climatic conditions, demographic and economic factors, land use, water quality, and potential contamination sources. The document includes diagnostic analysis of pollution flux, risk assessment for beach contamination, and proposes corrective and preventive action plans.

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Water

Coastal marine water in the Gulf of Morbihan (Mor bras). The study includes analysis of currents, tides, swell, and hydrodynamic characteristics of the region.

Location

Quiberon, France. The bathing zones studied are Goviro, Conguel, Porigo, and Castero beaches. The study was prepared by SAUR Centre Morbihan, located at Z.C. de Porte Océane, Rue du Portugal, 56408 Auray Cedex.

Water Quality

Bacteriological water quality was monitored for each beach. The document includes results from ARS (health authority) bacteriological testing and self-monitoring data from the Quiberon treatment plant for 2009. Water quality assessment considered potential for macro-algae and phytoplankton proliferation.

Risks

Potential pollution sources identified include collective sewerage system discharges, non-collective sanitation installations, stormwater network discharges, diffuse pollution, and accidental or occasional pollution. Rainfall events and wastewater treatment plant overflow were identified as specific contamination risks.