Overview
Sant Jaume de Llierca wastewater treatment plant serves the municipality of Argelaguer in Catalunya, Spain. It treats wastewater from a population of approximately 2,328 under the EU Urban Waste Water Treatment Directive.
Sant Jaume de Llierca is a wastewater treatment plant located in Argelaguer, within the province of Girona in the autonomous community of Catalunya, Spain. The plant serves a population of approximately 2,328 people, making it a small agglomeration under the EU classification. It is situated in the Pyrenees foothills, an area characterized by mountainous terrain and scattered settlements. As a small agglomeration in Spain, the plant is subject to the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires appropriate treatment before discharge into freshwater. It operates within the regulatory framework of the Catalan Water Agency (ACA), which oversees compliance with discharge standards. The treated effluent is discharged into local watercourses that ultimately drain into the Fluvià River basin. The Fluvià River flows eastward through the Garrotxa region and into the Mediterranean Sea near Sant Pere Pescador. The river supports diverse aquatic life and is an important ecological corridor in the region. The plant's operation helps protect the water quality of the Fluvià and its downstream environments.
Environmental context
The plant discharges into the Fluvià River basin, which flows through the Garrotxa volcanic zone and into the Mediterranean Sea. The river supports a variety of fish species and provides habitat for migratory birds. The downstream area includes coastal wetlands that are ecologically sensitive, requiring careful management of nutrient loads to prevent eutrophication.
Frequently asked questions
The plant is located in Argelaguer, in the province of Girona, within the autonomous community of Catalunya, Spain. Its address is Eix Pirinenc, Tapioles, Argelaguer, Garrotxa, Girona, Catalunya.
The plant serves a population of approximately 2,328 people, classifying it as a small agglomeration under EU wastewater treatment regulations.
The treated effluent is discharged into local watercourses that flow into the Fluvià River basin, which ultimately reaches the Mediterranean Sea.
As a Spanish plant, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this size. Compliance is overseen by the Catalan Water Agency (ACA).
For small agglomerations under 10,000 population equivalent, the EU Directive requires secondary treatment or equivalent. In Spain, this often involves biological treatment processes such as activated sludge or trickling filters, followed by disinfection if needed.
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