Overview
Zaragoza La Cartuja wastewater treatment plant serves over 650,000 people in Zaragoza, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates advanced treatment for large agglomerations.
Zaragoza La Cartuja is a major wastewater treatment plant located in the La Cartuja district of Zaragoza, in the autonomous community of Aragón, Spain. Serving a population of approximately 651,866, it is classified as a large agglomeration under EU regulations, requiring advanced treatment to protect sensitive water bodies. As a facility of this scale in Spain, the plant is expected to comply with the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment as a minimum and tertiary treatment for discharges into sensitive areas. The plant's treatment processes are designed to meet stringent effluent standards, including nutrient removal where necessary. The treated effluent is discharged into the Ebro River, one of Spain's major rivers, which flows through Zaragoza and ultimately reaches the Mediterranean Sea. The Ebro basin supports diverse aquatic life and is an important ecological corridor. The plant plays a critical role in maintaining water quality in the river and protecting downstream ecosystems.
Environmental context
The plant discharges into the Ebro River, which flows through Zaragoza and drains into the Mediterranean Sea via the Ebro Delta. The delta is an ecologically sensitive area that supports diverse aquatic life and migratory birds. The plant's advanced treatment helps reduce nutrient loads and pollutants, protecting the river's health and the downstream marine environment.
Frequently asked questions
The plant is located in the La Cartuja district of Zaragoza, in the autonomous community of Aragón, Spain.
The plant serves approximately 651,866 people, making it a large agglomeration under EU classification.
Treated wastewater is discharged into the Ebro River, which flows through Zaragoza and ultimately reaches the Mediterranean Sea.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires advanced treatment for large agglomerations to protect sensitive water bodies.
For large agglomerations in Spain, plants typically provide secondary treatment with nutrient removal, and often tertiary treatment to meet stringent effluent standards for sensitive areas.
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