Overview
MARCIAC wastewater treatment plant serves the commune of Marciac in Occitanie, France. It treats wastewater from a population of approximately 5,900 under the EU Urban Waste Water Treatment Directive.
The MARCIAC wastewater treatment plant is located in Marciac, a commune in the Gers department of Occitanie, southwestern France. The facility serves a population of approximately 5,900, classifying it as a small agglomeration under EU regulations. As a French plant, MARCIAC operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires appropriate treatment for agglomerations of this size. For small communities, secondary treatment is typically mandated to ensure adequate pollutant removal before discharge. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Garonne River basin and then to the Atlantic Ocean. The receiving water bodies support diverse aquatic life and are important for regional agriculture and biodiversity.
Environmental context
The plant discharges into the local water system within the Garonne River basin, which flows into the Gironde estuary and then the Atlantic Ocean. The watershed supports agricultural activities and diverse aquatic ecosystems, including fish species such as salmon and eels. Proper treatment helps protect downstream water quality and ecological health.
Frequently asked questions
The MARCIAC plant is located in Marciac, a commune in the Gers department of Occitanie, southwestern France, along Route de Mirande.
The plant serves approximately 5,900 people, classifying it as a small agglomeration under EU wastewater treatment regulations.
The treated effluent is discharged into the local watershed, which flows into the Garonne River basin and eventually reaches the Atlantic Ocean.
As a French facility, MARCIAC operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of its size.
For small agglomerations like Marciac, secondary treatment is typically required to remove organic matter and suspended solids, ensuring compliance with EU standards.
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