Overview
EL PRAT DE LLOBREGAT wastewater treatment plant serves over 1.3 million people in the Barcelona metropolitan area, Spain. It discharges treated effluent into the Mediterranean Sea via the Llobregat River delta.
EL PRAT DE LLOBREGAT is a major wastewater treatment plant located in the municipality of El Prat de Llobregat, near Barcelona, Spain. It serves a population equivalent of approximately 1.4 million, making it one of the largest treatment facilities in Catalonia. The plant is situated in the Llobregat River delta, a coastal area with significant ecological and economic importance. As a large agglomeration exceeding 150,000 population equivalent, the plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires advanced treatment (tertiary) for discharges into sensitive areas. The plant's designed capacity is 1.00 (likely in cubic meters per second or similar unit), indicating its substantial scale. Facilities of this size typically employ biological treatment with nutrient removal to meet stringent EU standards. The treated wastewater is discharged into the Mediterranean Sea through the Llobregat River delta, a coastal wetland ecosystem that supports diverse aquatic life and migratory birds. The plant plays a critical role in protecting the coastal waters and beaches of the Barcelona area, which are vital for tourism and marine biodiversity. Its operation helps reduce nutrient loading and pollution in the Mediterranean, contributing to the region's environmental health.
Environmental context
The plant discharges into the Llobregat River delta, which flows into the Mediterranean Sea. This coastal wetland is an ecologically sensitive area that supports diverse aquatic life and serves as an important migratory corridor for birds. The Mediterranean Sea is a semi-enclosed basin with limited water exchange, making it vulnerable to nutrient pollution. The plant's advanced treatment helps protect marine ecosystems and coastal water quality in the Barcelona metropolitan region.
Frequently asked questions
The plant is located in El Prat de Llobregat, near Barcelona, Spain, in the Llobregat River delta along the Mediterranean coast.
Treated effluent is discharged into the Mediterranean Sea via the Llobregat River delta, a coastal wetland ecosystem.
The plant protects the Llobregat River and its delta, as well as the adjacent Mediterranean coastal waters, by treating wastewater before discharge.
As a large agglomeration serving over 150,000 people, the plant is subject to the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates advanced treatment for discharges into sensitive coastal areas.
Plants of this scale in Spain typically employ biological treatment with nutrient removal (tertiary treatment) to meet EU standards, ensuring protection of sensitive Mediterranean coastal waters.
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