Overview
OLIVENZA wastewater treatment plant serves the municipality of Olivenza in Extremadura, Spain. It handles a population equivalent of 20,000 and discharges into the Guadiana River basin.
The OLIVENZA wastewater treatment plant is located in Olivenza, a town in the province of Badajoz, Extremadura, Spain. The facility serves a population equivalent of approximately 20,000 residents, classifying it as a medium-sized agglomeration under European Union regulations. As a Spanish plant, OLIVENZA 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 stringent treatment if the discharge enters a sensitive area, such as a nutrient-sensitive water body. The treated effluent from the plant is discharged into the Guadiana River basin, which flows southwest through Extremadura and into the Gulf of Cádiz (Atlantic Ocean). The Guadiana supports diverse aquatic life and is an important water resource for agriculture and ecosystems in the region.
Environmental context
The plant discharges into the Guadiana River, which flows through Extremadura and forms part of the border between Spain and Portugal before reaching the Gulf of Cádiz. The Guadiana basin supports a variety of aquatic species and is a critical water source for irrigation and wildlife. Downstream, the river's estuary provides important habitat for migratory birds and fish species.
Frequently asked questions
The OLIVENZA plant is located in Olivenza, in the province of Badajoz, Extremadura, Spain. Its address is Fuente la Silva, Olivenza, Llanos de Olivenza, Badajoz.
The plant serves a population equivalent of approximately 20,000 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent from the OLIVENZA plant is discharged into the Guadiana River basin, which flows through Extremadura and eventually reaches the Gulf of Cádiz in the Atlantic Ocean.
As a Spanish facility serving over 10,000 people, the OLIVENZA plant must comply with the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires at least secondary treatment for such agglomerations.
Under the EU Urban Waste Water Treatment Directive, plants serving between 10,000 and 150,000 people are generally required to provide secondary treatment. If the receiving water body is sensitive (e.g., prone to eutrophication), tertiary treatment may be mandated.
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