Overview
Alverca wastewater treatment plant serves Alverca do Ribatejo, Portugal, with a designed capacity of 1.00 and a population equivalent of 115,000. It operates under EU Urban Waste Water Treatment Directive standards.
The Alverca wastewater treatment plant is located in Alverca do Ribatejo, within the Lisbon metropolitan area of Portugal. It serves a population of approximately 115,000 people, classifying it as a large agglomeration under EU regulations. The plant's designed capacity is 1.00, indicating its scale in handling municipal wastewater from the region. As a facility in Portugal, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size. For sensitive areas, tertiary treatment may be required. The regulatory framework ensures compliance with European standards for effluent quality. The plant discharges treated wastewater into the local water system, which ultimately drains into the Tagus River estuary and the Atlantic Ocean. The Tagus estuary is a vital ecological zone supporting diverse aquatic life and migratory bird populations. The plant's operations play a key role in protecting this downstream environment from nutrient pollution and other contaminants.
Environmental context
The Alverca plant discharges into the Tagus River basin, which flows into the Tagus estuary near Lisbon and then into the Atlantic Ocean. The estuary is a critical habitat for fish, birds, and other wildlife, and is recognized as an important ecological area. The plant's treatment helps reduce nutrient loads and protect water quality in this sensitive coastal zone.
Frequently asked questions
The Alverca plant is located in Alverca do Ribatejo, in the Lisbon district of Portugal. Its address is Trilho da Estação, Verdelha, Alverca do Ribatejo, Alverca do Ribatejo e Sobralinho, Vila Franca de Xira, Lisboa.
The plant serves a population of approximately 115,000 people, classifying it as a large agglomeration under EU regulations.
The plant discharges treated wastewater into the local water system, which flows into the Tagus River estuary and ultimately the Atlantic Ocean.
As a Portuguese facility, the Alverca plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations over 15,000 population equivalent and tertiary treatment in sensitive areas.
Under the EU Urban Waste Water Treatment Directive, plants serving over 100,000 people typically require at least secondary treatment, with tertiary treatment if discharging into sensitive areas like the Tagus estuary.
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