Plan D'eau De St Remy : Cote Bar

France Lake 1 - Excellent

The Prades water body is a recreational lake in Saint-Rémy-sur-Durolle used for bathing. The bathing profile was initially established in 2012 and revised in 2020 to assess water quality, bacterial contamination, and cyanobacterial blooms. The study evaluated bacteriological quality indicators including Escherichia coli and intestinal enterococci in compliance with Directive 2006/7/CE.

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Water

An artificial reservoir (plan d'eau) with managed water levels. The lake receives inflow from tributaries and is subject to hydrodynamic circulation patterns influenced by wind and climate conditions.

Location

Saint-Rémy-sur-Durolle, in the Livradois-Forez region within the Auvergne area of France.

Water Quality

Water quality monitoring included bacteriological assessments measuring Escherichia coli and intestinal enterococci. The study documented episodes of phytoplankton proliferation and macro-algae growth. Potential pollution sources included natural runoff, collective and non-collective sanitation systems, stormwater, agricultural activities, and accidental contamination risks.

Risks

Cyanobacterial blooms and phytoplankton proliferation events have been documented. The study identified eutrophication risks related to nutrient inputs from both external sources and internal cycling, with specific concern for short-term bacterial contamination following rainfall events.