Overview
Molinos de Duero wastewater treatment plant serves 3,200 residents in Castilla y León, Spain. It provides advanced treatment and discharges 115.78 cubic meters of treated water daily.
Molinos de Duero wastewater treatment plant is located in the municipality of Molinos de Duero, in the province of Soria, Castilla y León, Spain. The plant serves a population of approximately 3,200 people, reflecting the scale of a small agglomeration in a rural setting. The plant operates with advanced treatment, which goes beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. Its designed capacity is 3,200 population equivalents, and it treats an average daily flow of 115.78 cubic meters, indicating efficient utilization. The treated effluent is discharged into the local watershed, which ultimately drains into the Duero River basin. The Duero River flows westward through Spain and Portugal, emptying into the Atlantic Ocean at Porto. The plant's advanced treatment helps protect the ecological quality of the Duero basin, which supports diverse aquatic life and is important for regional water resources.
Environmental context
The plant discharges into the Duero River basin, a major Iberian watershed that flows through Spain and Portugal to the Atlantic Ocean. The Duero River supports a variety of fish species and is an important migratory corridor. Advanced treatment at this plant helps maintain water quality in the basin, reducing nutrient loads and protecting downstream ecosystems.
Frequently asked questions
The plant is located on the road from El Royo to Salduero, in the municipality of Molinos de Duero, province of Soria, Castilla y León, Spain.
The plant serves approximately 3,200 residents, classifying it as a small agglomeration under EU wastewater directives.
The plant provides advanced treatment, which includes nutrient removal beyond secondary treatment, ensuring high-quality effluent.
Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations of this size require secondary treatment. The plant exceeds this with advanced treatment, demonstrating strong environmental compliance.
The treated effluent discharges into the Duero River basin, which flows through Spain and Portugal to the Atlantic Ocean, supporting diverse aquatic ecosystems.
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