Overview
La Fuente de San Esteban wastewater treatment plant serves 3,000 people in Castilla y León, Spain, with advanced treatment. It discharges 410.96 m³/day of treated water.
La Fuente de San Esteban wastewater treatment plant is located in the municipality of La Fuente de San Esteban, in the province of Salamanca, Castilla y León, Spain. The plant serves a population of approximately 3,000 people, classifying it as a small agglomeration under Spanish and EU regulations. The plant employs advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. With a designed capacity of 3,000 m³/day and a daily discharge volume of 410.96 m³, the plant operates well within its capacity, ensuring effective treatment of municipal wastewater. The treated effluent is discharged into local water bodies that ultimately drain into the Duero River basin, which flows westward through Portugal to the Atlantic Ocean. The plant's advanced treatment helps protect the sensitive aquatic ecosystems of the Duero basin, supporting water quality and biodiversity in the region.
Environmental context
The plant discharges into the Duero River basin, which flows through Spain and Portugal before reaching the Atlantic Ocean. The Duero basin supports diverse aquatic life and is an important ecological corridor. Advanced treatment at this plant helps reduce nutrient loading and protect downstream water quality in this transboundary river system.
Frequently asked questions
The plant is located on SA-305 in La Fuente de San Esteban, Salamanca, in the autonomous community of Castilla y León, Spain.
The plant serves approximately 3,000 people, classifying it as a small agglomeration under EU wastewater directives.
The plant provides advanced treatment, which includes nutrient removal and disinfection, exceeding the secondary treatment standard required by the EU Urban Waste Water Treatment Directive.
As a Spanish plant serving a small agglomeration, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for inland areas. The plant's advanced treatment goes beyond this requirement.
The treated effluent discharges into local waterways that are part of the Duero River basin, which flows through Spain and Portugal to the Atlantic Ocean.
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