Overview
San Leonardo de Yagüe wastewater treatment plant serves the town of San Leonardo de Yagüe in Soria, Castilla y León, Spain. It treats wastewater from approximately 3,850 residents.
The San Leonardo de Yagüe wastewater treatment plant is located in the municipality of San Leonardo de Yagüe, within the province of Soria in the autonomous community of Castilla y León, Spain. The facility serves a population of around 3,850 people, classifying it as a small agglomeration under EU classifications. As a Spanish wastewater treatment plant, it operates under the framework of the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size discharging into freshwater. The plant's treatment processes are designed to meet the standards set by the directive, ensuring compliance with national and European regulations. The treated effluent is discharged into a local watercourse that eventually flows into the Duero River basin, a major hydrological system in the Iberian Peninsula. The Duero River drains into the Atlantic Ocean near Porto, Portugal. The plant plays a key role in protecting the water quality of the local streams and the downstream river ecosystem.
Environmental context
The plant discharges into a tributary of the Duero River basin, which flows through the Castilla y León region and into Portugal, ultimately reaching the Atlantic Ocean. The receiving waters support diverse aquatic life and are important for regional agriculture and drinking water supplies. Protecting this watershed from nutrient pollution is critical for maintaining ecological balance and water quality downstream.
Frequently asked questions
The plant is located in San Leonardo de Yagüe, in the province of Soria, within the autonomous community of Castilla y León, Spain. Its address is SO-934, Barriadas de San Blas, San Leonardo de Yagüe, Soria.
The plant serves approximately 3,850 residents, classifying it as a small agglomeration under EU wastewater treatment directives.
The treated effluent is discharged into a local watercourse that is part of the Duero River basin, eventually flowing into the Atlantic Ocean.
As a Spanish plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size discharging into freshwater.
Under the EU Urban Waste Water Treatment Directive, plants serving populations between 2,000 and 10,000 are generally required to have secondary treatment, which involves biological processes to reduce organic matter and suspended solids.
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