Overview
Ladoeiro is a secondary wastewater treatment plant serving 2,000 people in Idanha-a-Nova, Portugal. It discharges 333.46 m³/day of treated effluent into the local watershed.
Ladoeiro wastewater treatment plant serves the small agglomeration of Ladoeiro in Idanha-a-Nova, Castelo Branco, Portugal. With a population equivalent of 2,000, it is classified as a small-scale facility under Portuguese and EU regulations. The plant provides secondary treatment, which is the minimum standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. Its designed capacity of 2,000 m³/day and current discharge volume of 333.46 m³/day indicate operational headroom. The treated effluent is discharged into the local watercourse, which ultimately drains into 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 ecosystems and agricultural water use along its course.
Environmental context
The plant discharges into a tributary of the Tagus River basin, which flows through central Portugal to the Atlantic Ocean. The Tagus estuary is a critical habitat for migratory birds and supports rich biodiversity. Secondary treatment helps protect downstream water quality in this ecologically sensitive river system.
Frequently asked questions
Ladoeiro WWTP is located in the parish of Ladoeiro, within the municipality of Idanha-a-Nova, Castelo Branco district, central Portugal.
The plant serves approximately 2,000 people, classifying it as a small agglomeration under EU wastewater directives.
The plant discharges treated effluent into a local watercourse that is part of the Tagus River basin, ultimately flowing to the Atlantic Ocean.
Ladoeiro provides secondary treatment, meeting the EU Urban Waste Water Treatment Directive requirement for freshwater discharges from agglomerations of this size.
Small plants like Ladoeiro operate under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into Portuguese law, which mandates secondary treatment for discharges into freshwater from agglomerations above 2,000 population equivalent.
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