Overview
ROGNAC wastewater treatment plant serves Berre-l'Étang, France, with a designed capacity of 1.00 unit. It operates under the EU Urban Waste Water Treatment Directive.
ROGNAC is a wastewater treatment plant located in Berre-l'Étang, within the Provence-Alpes-Côte d'Azur region of France. It serves a population of approximately 24,979 people, classifying it as a medium agglomeration under EU regulations. The plant is situated near the Étang de Berre, a large lagoon connected to the Mediterranean Sea. As a French facility, ROGNAC operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size. The directive also requires more advanced treatment if the receiving waters are sensitive areas. The plant's treated effluent likely discharges into the Étang de Berre, a brackish lagoon that supports diverse aquatic life and is an important ecological zone. The lagoon drains into the Mediterranean Sea via the Caronte canal. Protecting this water body is critical for maintaining water quality and biodiversity in the region.
Environmental context
The plant discharges into the Étang de Berre, a large lagoon connected to the Mediterranean Sea via the Caronte canal. This lagoon is ecologically sensitive, supporting diverse aquatic species and serving as a habitat for migratory birds. The surrounding watershed includes industrial and urban areas, making effective wastewater treatment essential to prevent nutrient pollution and maintain the lagoon's ecological balance.
Frequently asked questions
The ROGNAC plant is located in Berre-l'Étang, in the Provence-Alpes-Côte d'Azur region of southern France, near the Étang de Berre lagoon.
The plant serves approximately 24,979 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is likely discharged into the Étang de Berre, a lagoon that connects to the Mediterranean Sea via the Caronte canal.
As a French facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size and may require additional treatment in sensitive areas.
Under the EU directive, plants serving 10,000 to 100,000 people typically require secondary treatment (biological treatment). In sensitive areas like the Étang de Berre, tertiary treatment for nutrient removal may be necessary.
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