Overview
Vieira de Leiria wastewater treatment plant serves Marinha Grande, Portugal, with a designed capacity of 1.00 m³/s. It is located within 50 km of the coast and operates under EU Urban Waste Water Treatment Directive standards.
Vieira de Leiria is a wastewater treatment plant serving the municipality of Marinha Grande in the Leiria district of Portugal. The plant is designed to handle a capacity of 1.00 m³/s and serves a population of approximately 11,600 people, placing it in the medium agglomeration category under EU classification. As a Portuguese plant, Vieira de Leiria operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The plant's treatment processes and operational details are managed by the local municipal authority, ensuring compliance with national and EU standards for wastewater treatment. The plant discharges treated effluent into the local watershed, which ultimately drains into the Atlantic Ocean. The region's coastal environment is ecologically sensitive, supporting diverse marine life and important habitats. The plant's proximity to the coast underscores the importance of effective treatment to protect downstream water quality and marine ecosystems.
Environmental context
The treated effluent from Vieira de Leiria flows into the local river system, which drains into the Atlantic Ocean near the Portuguese coast. The coastal waters in this region support diverse aquatic life, including fish and migratory species, and are important for local fisheries and tourism. Effective wastewater treatment is essential to prevent nutrient pollution and protect the ecological health of the receiving marine environment.
Frequently asked questions
The Vieira de Leiria wastewater treatment plant is located in the town of Vieira de Leiria, within the municipality of Marinha Grande, in the Leiria district of Portugal.
The Vieira de Leiria plant serves a population of approximately 11,600 people, classifying it as a medium-sized agglomeration under EU standards.
The plant discharges treated effluent into the local river system, which eventually flows into the Atlantic Ocean. The discharge is regulated under Portuguese and EU environmental laws to protect coastal water quality.
As a Portuguese plant, Vieira de Leiria operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of its size. Compliance is enforced by national authorities.
For medium-sized agglomerations like Vieira de Leiria, secondary treatment is typically required under EU directives. This involves biological treatment to reduce organic matter and suspended solids before discharge.
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