Overview
Lagoa wastewater treatment plant serves 8,300 people in Lagoa, Faro, Portugal. Located within 50 km of the coast, it discharges into the local watershed.
Lagoa wastewater treatment plant is located in Lagoa, a town in the Faro district of Portugal's Algarve region. The facility serves a population of 8,300, classifying it as a small to medium agglomeration under Portuguese and EU regulations. Its designed capacity is 1.00 (likely in thousands of cubic meters per day), indicating a modest scale appropriate for the local community. As a Portuguese plant, Lagoa 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 advanced treatment if the discharge enters sensitive areas, such as coastal zones or estuaries. Given the plant's proximity to the coast, it likely adheres to additional nutrient removal standards to protect marine water quality. The treated effluent from Lagoa ultimately drains into the Atlantic Ocean via local watercourses. The Algarve coast is ecologically significant, supporting diverse marine life and important habitats such as seagrass beds and rocky reefs. Proper treatment is essential to prevent eutrophication and safeguard the region's tourism-dependent coastal ecosystems.
Environmental context
The Lagoa plant discharges into the local watershed that flows to the Atlantic Ocean along the Algarve coast. This coastal region supports diverse marine life, including fish, mollusks, and seabirds, and is an important area for tourism and fisheries. Nutrient loading from wastewater can lead to algal blooms and oxygen depletion, making effective treatment critical for maintaining water quality and ecosystem health.
Frequently asked questions
The Lagoa wastewater treatment plant is located at CM 1156, Lagoa, in the parish of Lagoa e Carvoeiro, municipality of Lagoa, Faro district, Portugal. It serves the local community in the Algarve region.
The plant serves a population of 8,300 people, classifying it as a small to medium agglomeration under EU regulations.
The treated effluent is discharged into local watercourses that flow to the Atlantic Ocean along the Algarve coast. The plant is within 50 km of the coast, so discharge likely enters coastal waters.
As a Portuguese facility, Lagoa operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations over 2,000 population equivalent. For coastal discharges, additional nutrient removal may be required to protect sensitive marine areas.
Under the EU Urban Waste Water Treatment Directive, plants serving between 2,000 and 10,000 population equivalent are required to have secondary treatment (biological treatment). In coastal areas like the Algarve, more advanced treatment may be needed to reduce nutrients and protect water quality.
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