Plage Surveillee De Fort-Mahon

21.2°C Water temp · Jul 22

France Coastal 2 - Good 21.2°C

Satellite image of PLAGE SURVEILLEE DE FORT-MAHON — Satellite image © Esri

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Location

Fort-Mahon-Plage and Quend are the two bathing beaches studied. Both are located in France and are situated in relation to the Authie and Somme bays.

Water Quality

Bathing water quality was assessed using E. coli and enterococci as regulatory bacterial tracers from 2008 to 2017. Both beaches were classified as Type 1 profile beaches, indicating unconfirmed pollution risk. Water quality showed variation related to tidal phases, wind direction, and rainfall. Bacterial concentrations exceeded 2006 Directive thresholds in multiple samples over the monitoring period.

Risks

Pollution sources include rivers (Authie and Somme), wastewater treatment plant discharges, stormwater outfalls, non-collective sanitation systems, equestrian facilities, and camping sites. E. coli and enterococci concentrations were influenced by tidal phases, wind direction, and rainfall patterns. Distant pollution was aggravated during spring tides.