Overview
ARZUA wastewater treatment plant serves the town of Arzúa in Galicia, Spain. It has a designed capacity of 1.00 volume unit and serves a population of 5,490.
The ARZUA wastewater treatment plant is located in the municipality of Arzúa, in the province of A Coruña, Galicia, Spain. The plant serves a population of approximately 5,490 people, classifying it as a small agglomeration under EU regulations. It is situated inland, more than 50 km from the coast. As a plant in Spain, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The treated effluent is discharged into local watercourses that eventually drain into the Atlantic Ocean via the Tambre River basin. The surrounding region is characterized by agricultural and rural landscapes, and the plant plays a key role in protecting local water quality and downstream ecosystems.
Environmental context
The ARZUA plant discharges into the Tambre River basin, which flows into the Atlantic Ocean near the Ría de Muros e Noia. This coastal estuary supports diverse aquatic life and is an important area for migratory birds. The plant's operation helps maintain water quality in this ecologically sensitive region, preventing nutrient pollution and protecting downstream habitats.
Frequently asked questions
The ARZUA plant is located in the municipality of Arzúa, in the province of A Coruña, Galicia, Spain. Its address is DP-7901, Ponte Lema, Lema, Arzúa.
The plant serves a population of approximately 5,490 people, classifying it as a small agglomeration under EU regulations.
The treated effluent is discharged into local watercourses that are part of the Tambre River basin, which eventually flows into the Atlantic Ocean.
As a Spanish plant serving fewer than 10,000 people, it falls under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for such agglomerations.
Under the EU Urban Waste Water Treatment Directive, plants serving 2,000 to 10,000 people are generally required to provide secondary treatment, which involves biological processes to reduce organic matter and suspended solids.
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