Overview
Aires wastewater treatment plant serves Palmela, Portugal, with a designed capacity of 1.00 and a population equivalent of 6,700. It operates under EU Urban Waste Water Treatment Directive 91/271/EEC.
The Aires wastewater treatment plant is located in Palmela, Setúbal, Portugal, serving a population equivalent of 6,700. The facility is situated near Vale Cantadores and is part of the municipal wastewater infrastructure for the region. As a small agglomeration, the plant is subject to EU Urban Waste Water Treatment Directive 91/271/EEC, which requires appropriate treatment before discharge. Under the EU directive, agglomerations of this size typically require secondary treatment or equivalent, with more stringent standards if discharging into sensitive areas. The plant's discharge ultimately reaches the Atlantic Ocean via local watercourses, contributing to the regional water quality management. The surrounding area includes agricultural and urban zones, and the plant plays a role in protecting downstream ecosystems, including the Sado Estuary, a vital habitat for aquatic life and migratory birds.
Environmental context
The Aires plant discharges into local watercourses that drain into the Sado River and eventually the Atlantic Ocean near Setúbal. The Sado Estuary is an ecologically sensitive area supporting diverse aquatic life, including important fish and bird species. The plant's operations help maintain water quality in this coastal watershed, which is influenced by both urban and agricultural runoff.
Frequently asked questions
The Aires wastewater treatment plant is located at EM 534, Vale Cantadores, in Palmela, Setúbal, Portugal.
The Aires plant serves a population equivalent of 6,700 people.
The Aires plant discharges treated wastewater into local watercourses that flow into the Sado River and ultimately the Atlantic Ocean.
The Aires plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which sets treatment standards based on population size and receiving water sensitivity.
For agglomerations of this size, the EU directive typically requires secondary treatment or equivalent, with possible additional nutrient removal if discharging into sensitive areas.
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