Pors An Eis Vinis

15°C Water temp · Jun 8

France Coastal 4 - Poor 15°C

Satellite image of PORS AN EIS VINIS — Satellite image © Esri

Pors An Eis Vinis is a bathing beach located in Brittany, France. The beach serves as a monitoring site for water quality assessment, with regular sampling conducted during the summer bathing season. The beach is subject to various environmental influences including river discharge, tidal action, and coastal weather patterns. A vulnerability profile was developed to identify contamination sources and assess microbiological water quality.

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Water

Coastal bathing area with rocky features and subject to tidal influences. The beach experiences wave action and is influenced by the Aber Ildut estuary hydrodynamics. The area has a tidal range (marnage) documented at the Lanildut reference point.

Location

The beach is located in Brittany, France, in the Pays d'Iroise Communauté administrative area. The area is accessible via the GR34 hiking trail, with parking available near route de Port Blanc.

Season

Monitoring conducted during summer 2021, with 16 sampling events performed throughout the season.

Water Quality

Water quality monitoring in 2021 used E. coli and intestinal enterococci as indicator bacteria. Threshold concentrations are: ≤100 NPP/100 ml for both indicators indicates good quality; >100 and ≤1000 E. coli or >100 and ≤370 enterococci indicates moderate quality; >1000 E. coli or >370 enterococci indicates poor quality. One poor result was recorded on 18 August 2021. Identified potential pollution sources include collective sewage systems, non-collective sanitation, caravan sites, agricultural activities, and brown algae decomposition.

Risks

Brown algae (laminaria) beachings occurred regularly, with satellite imagery showing 4 out of 8 years with algae accumulations. Observed algal deposits putrefying in the study area during 2016–2019. Camping-car illegal parking was documented in the study area. A sewage pumping station (PR Pors an eis Vinis) is located less than 30 metres from the beach. Dog faeces and seabirds were present.