Overview
Macao wastewater treatment plant in Mação, Portugal serves 2,600 people with secondary treatment. It has a designed capacity of 3,000 m³/day and discharges 433.5 m³/day.
The Macao wastewater treatment plant is located in Mação, Santarém District, Portugal, serving a population of approximately 2,600 residents. The facility operates under Portugal's implementation of the EU Urban Waste Water Treatment Directive, which requires secondary treatment for agglomerations of this size. The plant provides secondary treatment, meeting the standard requirements for inland communities under EU regulations. With a designed capacity of 3,000 m³/day and an average discharge volume of 433.5 m³/day, the facility operates well within its capacity, indicating room for future growth. Treated effluent is discharged into local watercourses that flow into the Tagus River basin, ultimately reaching the Atlantic Ocean near Lisbon. The plant plays a key role in protecting the region's water quality and supporting the ecological health of downstream aquatic habitats.
Environmental context
The plant discharges into local streams that are part of the Tagus River basin, one of the Iberian Peninsula's major river systems. The Tagus flows westward through Portugal to the Atlantic Ocean near Lisbon, supporting diverse aquatic life and providing water for agriculture and urban use. The region's Mediterranean climate with seasonal rainfall patterns makes consistent wastewater treatment important for maintaining stream health during dry periods.
Frequently asked questions
The Macao WWTP is located in Mação, Santarém District, Portugal, at Azinhaga do Jardim in the parish of Mação, Penhascoso e Aboboreira.
The plant serves approximately 2,600 people in the Mação area.
The treated effluent is discharged into local watercourses that are part of the Tagus River basin, which flows to the Atlantic Ocean.
The plant provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive for inland agglomerations of this size.
The plant has a designed capacity of 3,000 m³ per day, with an average daily discharge of about 433.5 m³, indicating significant spare capacity.
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