Overview
BLAGNAC Quinze Sols is a wastewater treatment plant serving approximately 31,746 people in Toulouse, Occitanie, France. It operates under the EU Urban Waste Water Treatment Directive.
BLAGNAC Quinze Sols is a wastewater treatment plant located in the Sesquières district of Toulouse, within the Occitanie region of southern France. The facility serves an estimated population of 31,746, placing it in the medium agglomeration category under European Union classification. As a French plant, BLAGNAC Quinze Sols operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas. The plant's treatment processes and capacity are aligned with these regulatory standards to ensure compliance. The treated effluent from BLAGNAC Quinze Sols is discharged into the local watershed, which ultimately drains into the Garonne River. The Garonne flows through Toulouse and continues to the Gironde estuary on the Atlantic coast. This waterway supports diverse aquatic life and is an important ecological corridor in the region.
Environmental context
The plant's discharge enters the Garonne River basin, which flows through Toulouse and eventually reaches the Gironde estuary and the Atlantic Ocean. The Garonne supports a variety of fish species, including migratory fish like salmon and eels, and its floodplains provide critical habitats. The watershed is influenced by both urban runoff from Toulouse and agricultural activities in the surrounding plains.
Frequently asked questions
BLAGNAC Quinze Sols is located in the Sesquières district of Toulouse, in the Occitanie region of southern France.
The plant serves approximately 31,746 people, classifying it as a medium-sized agglomeration under EU standards.
The treated effluent is discharged into the local watershed, which drains into the Garonne River, eventually reaching the Atlantic Ocean via the Gironde estuary.
As a French plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size and may require tertiary treatment if the receiving waters are sensitive.
Plants of this scale in France typically provide secondary biological treatment, often with nutrient removal, to meet EU directive standards for organic matter and suspended solids.
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