Overview
LEULINGHEM wastewater treatment plant serves the commune of Leulinghem in Hauts-de-France, France. It provides secondary treatment for a population of 300 and discharges treated effluent into local waterways.
The LEULINGHEM wastewater treatment plant is located in Leulinghem, a commune in the Pas-de-Calais department of Hauts-de-France, France. It serves a small population of 300 residents, reflecting its role in rural wastewater management within the region. The plant operates with secondary treatment, which is the standard level required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The plant has a designed capacity of 3,750 m³/day, indicating it can handle peak flows beyond current load. Treated wastewater from the plant discharges into local watercourses that eventually drain into the North Sea via the Aa River basin. This contributes to the protection of downstream aquatic ecosystems and groundwater quality in the Flanders region. The plant's operation supports compliance with French water quality standards and EU environmental directives.
Environmental context
The plant discharges into the Aa River basin, which flows through the low-lying plains of Hauts-de-France before reaching the North Sea near Gravelines. This watershed supports diverse freshwater habitats and is important for migratory fish species. The region's intensive agriculture and urban areas place pressure on water quality, making effective treatment essential for maintaining ecological balance.
Frequently asked questions
The plant is located at 2, Chemin de Hongrie, Leulinghem, in the Pas-de-Calais department of Hauts-de-France, France.
The plant serves a population of 300 residents, typical of a small rural agglomeration in northern France.
Treated wastewater is discharged into local watercourses within the Aa River basin, which ultimately flows to the North Sea.
As a French plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size.
For small agglomerations under 2,000 population equivalent, French regulations generally require secondary treatment or equivalent, ensuring basic organic matter and solids removal.
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