Construction du filtre
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Specifications
The previous studies conducted by the Water and Sanitation Technical Department of the City of Paris between 2011 and 2014 defined a comprehensive project for storing effluents in the Bugeaud storm overflow (SO), followed by their treatment using a reed bed filter, before discharging the treated effluents into the hydrographic network of the Bois de Boulogne and then into the Seine. The location for the reed bed filter was determined in 2014 in consultation with the Architects of the Buildings of France (ABF) and the Site Inspector.
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Site
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Technology
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Cost
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Site construction in Pictures
The City of Paris carried out a sanitation works program between July 2018 and December 2020 in the northeastern part of the Bois de Boulogne. The objective was to reduce pollutant discharges into the Seine from the Bugeaud storm overflow (SO) and to eliminate the discharge of clear water from the Saint-James pond and the Neuilly pond into the combined sewer system of the municipality of Neuilly-sur-Seine.
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Objectives
The LIFE ADSORB project seeks to test new methods of decontaminating water mainly from rainwater runoff from the ring road with rare contributions from wastewater. The objective is to reduce 95% of mineral and organic pollution (macro and micro pollutants).
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Timeline
With an initial duration of 5 years (July 2018 - July 2023), the project has been extended to September 2025.
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Optimising rainwater treatment in Paris while preserving biodiversity
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Functioning principle
In Paris, an area that is emblematic of environmental issues in urban areas, the Bugeaud storm overflow crosses the Bois de Boulogne. It discharges rainwater from a section of the ring road directly into the Seine, and on rare occasions wastewater. To improve the management of urban discharges during rainy weather, the City of Paris has planned to upgrade the spillway by equipping it with a storage system and filtering water before it is discharged into the Seine.
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