Paladru - Lac De Paladru

France Lake 1 - Excellent

Lake Paladru contains four designated bathing sites: Paladru, Pin, Charavines, and Montferrat. The study examined water quality profiles, pollution sources, and management strategies for these sites. Bacteriological analyses have been conducted since 1996, with current classifications based on the EU Bathing Water Directive 2006/7/CE. The lake is subject to seasonal monitoring and assessment of cyanobacteria sensitivity. Preventive management procedures and action programs have been developed to address identified pollution sources.

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Water

Lake Paladru. Two main tributaries contribute to the lake: Courbon river and Ruisseau des Marais stream. Transfer times to the lake vary under dry conditions and during summer storms.

Location

Lake Paladru region managed by Communauté d'agglomération du Pays Voironnais. Four bathing sites are located at Paladru, Pin, Charavines, and Montferrat around the lake.

Facilities

Amenities are present at each of the four bathing sites. Specific facility details are inventoried in the report.

Season

Summer monitoring and surveillance are implemented. Specific seasonal dates are not provided in the extracted text.

Water Quality

Water quality is classified according to EU Directive 2006/7/CE. Historical bacteriological analyses conducted between 1996 and 2022 show quality evolution at all four bathing sites. Quality classifications have been documented between 2018 and 2022. Cyanobacteria sensitivity varies across the bathing sites. Hydro-climatic parameters influence water quality, particularly following rainfall events.

Risks

Cyanobacteria presence is a documented concern with varying sensitivity levels across sites. Water quality is sensitive to rainfall and storm events, which can affect bacterial parameters. Collective and non-collective sewage systems are potential pollution sources within the catchment area.