Lac Plage Sable

France Lake 1 - Excellent

Malivert Lake is a bathing area located in Molières in the Tarn-et-Garonne department. The lake serves as a recreational swimming destination with monitored water quality. The bathing zone has been subject to regular water quality assessments and pollution source evaluations since 2012. The lake's water quality is influenced by its watershed characteristics, including agricultural practices, wastewater management, and rainfall patterns.

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Water

Malivert Lake is a freshwater lake. Water quality parameters monitored include pH, water transparency, chlorophyll-a content (algal biomass), and phytoplankton composition.

Location

Molières, 82220, France. The bathing area is identified as the Malivert Lake swimming zone within the municipality of Molières.

Water Quality

Water quality has been monitored between 2012 and 2021 for bacteriological parameters, physicochemical parameters, and biological parameters including phytoplankton. Fecal indicator germs have been detected. Cyanobacteria concentrations have been recorded in the bathing zone. Turbidity episodes with both abiotic and biological origins have been documented.

Risks

Risks include cyanobacteria development, fecal contamination from agricultural practices, wastewater sources, and inter-human contamination. Turbidity episodes occur. Pollution sources identified include agricultural practices, collective sewage networks, non-collective sanitation systems, stormwater runoff, impermeabilized surfaces, pet animals, birds, rowers, macrodetritus, fish populations, and bank erosion.