Overview
GRANS wastewater treatment plant serves Grans, Provence-Alpes-Côte d'Azur, France. It provides secondary treatment for a population of 4,216 and discharges 752.13 m³/day of treated effluent.
The GRANS wastewater treatment plant is located in Grans, within the Bouches-du-Rhône department of Provence-Alpes-Côte d'Azur, France. It serves a population of approximately 4,216 people, classifying it as a small agglomeration under French and EU regulations. The plant is situated inland, about 50 km from the Mediterranean coast. The plant operates with secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. The designed capacity is 3,500 m³/day, and the current discharge volume is 752.13 m³/day, indicating ample capacity for current loads. The plant is part of France's national wastewater infrastructure, overseen by regional water agencies. The treated effluent from GRANS ultimately drains into the Mediterranean Sea via local watercourses. The plant plays a key role in protecting the regional watershed, which supports diverse aquatic life and contributes to the ecological health of the coastal zone. Its operation helps prevent nutrient pollution and safeguards water quality in downstream environments.
Environmental context
The GRANS plant discharges into local watercourses that flow towards the Mediterranean Sea, specifically the Gulf of Fos. This coastal area supports diverse marine life and is an important ecological zone. The plant's secondary treatment reduces organic pollutants and nutrients, helping to protect the sensitive coastal ecosystem from eutrophication and maintaining water quality for recreational and ecological uses.
Frequently asked questions
The GRANS plant is located at Chemin des Aréniers, Grans, in the Bouches-du-Rhône department of Provence-Alpes-Côte d'Azur, France.
The plant serves approximately 4,216 people, classifying it as a small agglomeration under EU regulations.
The plant provides secondary treatment, which includes biological processes to reduce organic matter and suspended solids, meeting EU standards for small communities.
The treated effluent flows into local watercourses that drain toward the Mediterranean Sea, specifically the Gulf of Fos, contributing to the protection of coastal waters.
As a small agglomeration in France, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for populations between 2,000 and 10,000. Compliance is enforced by regional water agencies.
Nearby plants