Overview
Vila Real de Santo Antonio wastewater treatment plant serves about 81,550 people in Faro, Portugal. The plant is located near the Guadiana River estuary and the Atlantic coast.
The Vila Real de Santo Antonio wastewater treatment plant is a municipal facility serving the city of Vila Real de Santo António in the Faro district of southern Portugal. With a population equivalent of approximately 81,550, it falls under the EU classification of a large agglomeration, requiring advanced treatment to protect sensitive coastal waters. As a plant operating under the EU Urban Waste Water Treatment Directive (91/271/EEC), it is expected to provide at least secondary treatment, with tertiary treatment likely needed given its proximity to the Atlantic Ocean and the sensitive Ria Formosa lagoon system. The designed capacity is 1. The plant discharges into the Guadiana River estuary, which flows into the Gulf of Cádiz and the Atlantic Ocean. This estuarine environment supports diverse aquatic life, including migratory fish and bird species. The region's warm Mediterranean climate and tourism-driven economy place additional demands on wastewater infrastructure to maintain water quality for both ecological and recreational uses.
Environmental context
The plant's discharge enters the Guadiana River estuary, a critical habitat for migratory birds and fish species such as the European eel and lamprey. The estuary connects to the Gulf of Cádiz and the Atlantic Ocean, supporting a rich marine ecosystem. The nearby Ria Formosa lagoon, a sensitive coastal system, benefits from strict nutrient management to prevent eutrophication.
Frequently asked questions
The plant is located at Avenida da República, Vila Real de Santo António, in the Faro district of southern Portugal, near the Guadiana River estuary and the Atlantic coast.
The plant serves approximately 81,550 people, classifying it as a large agglomeration under EU regulations.
The treated wastewater is discharged into the Guadiana River estuary, which flows into the Gulf of Cádiz and the Atlantic Ocean.
As a Portuguese plant serving over 15,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment and, in sensitive coastal areas, tertiary treatment.
For large agglomerations in Portugal, especially those near sensitive coastal waters, the EU directive requires at least secondary biological treatment, with tertiary nutrient removal often implemented to protect marine ecosystems.
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