Overview
Pechbonnieu wastewater treatment plant in Montberon, Occitanie, France, serves about 4,589 people with advanced treatment. It discharges 818.67 m³/day and has a designed capacity of 6,500 m³/day.
The Pechbonnieu wastewater treatment plant is located in Montberon, a commune in the Haute-Garonne department of Occitanie, southern France. It serves a population of approximately 4,589 people, placing it in the small agglomeration category under French regulations. The plant is situated near Toulouse and operates as part of the region's municipal wastewater infrastructure. The facility provides advanced treatment, which goes beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. The plant has a designed capacity of 6,500 m³/day and currently treats an average daily flow of 818.67 m³/day. This indicates ample capacity for current loads, with room for future growth. The treated effluent is discharged into local waterways that ultimately drain into the Garonne River basin, which flows into the Gironde estuary and the Atlantic Ocean. The plant plays a key role in protecting the region's water quality, particularly given the ecological importance of the Garonne River and its tributaries for aquatic life and downstream ecosystems.
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 an important migratory corridor for fish such as salmon and eels. The advanced treatment helps minimize nutrient and pollutant loads, protecting downstream water quality in this ecologically sensitive watershed.
Frequently asked questions
The Pechbonnieu wastewater treatment plant is located on Rue Jean Moulin in Montberon, a commune in the Haute-Garonne department of Occitanie, southern France, near Toulouse.
The plant serves approximately 4,589 people, classifying it as a small agglomeration under French and EU wastewater regulations.
The plant provides advanced treatment, which exceeds the secondary treatment standard required by the EU Urban Waste Water Treatment Directive for agglomerations of this size.
The plant has a designed capacity of 6,500 m³ per day, with an average daily discharge of 818.67 m³, indicating significant spare capacity.
Under the EU Urban Waste Water Treatment Directive (91/271/EEC), small agglomerations like Pechbonnieu require secondary treatment. The plant's advanced treatment goes beyond this, ensuring high effluent quality for discharge into the Garonne River basin.
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