Overview
CASTELGINEST 2 is a municipal wastewater treatment plant serving Castelginest, Occitanie, France. It treats wastewater for approximately 20,872 people under the EU Urban Waste Water Treatment Directive.
CASTELGINEST 2 is a municipal wastewater treatment plant located in Castelginest, a commune in the Haute-Garonne department of Occitanie, southern France. The plant serves a population of approximately 20,872, placing it in the medium agglomeration category under EU regulations. It is part of the wastewater infrastructure for the Toulouse metropolitan area. As a French plant serving over 10,000 people, CASTELGINEST 2 operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for discharges into freshwater and estuaries. The directive also mandates more stringent treatment if the receiving waters are designated as sensitive areas. The plant's treatment processes and capacity are designed to meet these regulatory standards, ensuring compliance with national and EU water quality objectives. The treated effluent from CASTELGINEST 2 is discharged into the local watershed, which ultimately drains into the Garonne River and then into the Gironde estuary and the Atlantic Ocean. The Garonne basin supports diverse aquatic life and is an important ecological corridor. The plant's operations help protect downstream water quality and contribute to the health of the regional river system.
Environmental context
The plant discharges into the Garonne River basin, which flows through southwestern France to the Gironde estuary and the Atlantic Ocean. The Garonne supports diverse aquatic species and is a key migratory route for fish such as salmon and eels. Protecting water quality in this basin is critical for maintaining ecological balance and supporting downstream habitats, including the estuary's rich biodiversity.
Frequently asked questions
CASTELGINEST 2 is located in Castelginest, a commune in the Haute-Garonne department of Occitanie, southern France, near Toulouse.
The plant serves approximately 20,872 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is discharged into the local watershed, which flows into the Garonne River, then to the Gironde estuary and the Atlantic Ocean.
As a French plant serving over 10,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment and potentially tertiary treatment if the receiving waters are sensitive.
Plants of this scale in France typically provide secondary biological treatment, often with nutrient removal if discharging into sensitive areas, in compliance with the EU Urban Waste Water Treatment Directive.
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