Overview
Navaluenga wastewater treatment plant serves the town of Navaluenga in Castilla y León, Spain, with a population equivalent of 14,500. The plant discharges into the Alberche River basin, a tributary of the Tagus River.
The Navaluenga wastewater treatment plant is located in the municipality of Navaluenga, within the province of Ávila in the autonomous community of Castilla y León, Spain. It serves a population equivalent of 14,500, classifying it as a medium-sized agglomeration under Spanish and EU regulations. As a Spanish plant, Navaluenga operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. The directive also mandates more stringent treatment if the receiving waters are designated as sensitive areas. The regulatory framework ensures compliance with national and EU standards. The treated effluent from Navaluenga is discharged into the local watercourse, which flows into the Alberche River, a major tributary of the Tagus River. The Tagus River ultimately drains into the Atlantic Ocean near Lisbon. The Alberche River supports diverse aquatic life and is used for irrigation and recreation, making the plant's role in protecting water quality important for the local ecosystem.
Environmental context
The Navaluenga plant discharges into the Alberche River, a tributary of the Tagus River, which flows westward through Spain and Portugal to the Atlantic Ocean. The Alberche River valley is ecologically sensitive, supporting riparian habitats and species such as the Iberian endemic fish. The plant's treatment helps maintain water quality in this river system, which is used for agriculture and recreation downstream.
Frequently asked questions
The Navaluenga wastewater treatment plant is located in the town of Navaluenga, in the province of Ávila, within the autonomous community of Castilla y León, Spain.
The plant serves a population equivalent of 14,500, classifying it as a medium-sized agglomeration under EU classification.
The treated effluent is discharged into a local watercourse that flows into the Alberche River, a tributary of the Tagus River, which ultimately reaches the Atlantic Ocean.
As a Spanish plant, Navaluenga operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this size and may require tertiary treatment if the receiving waters are sensitive.
Under the EU Urban Waste Water Treatment Directive, plants serving between 10,000 and 150,000 population equivalent are required to provide secondary treatment. In Spain, such plants are also subject to national regulations that align with the directive, ensuring compliance with effluent quality standards.
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