Overview
Villalpando wastewater treatment plant is a secondary treatment facility serving the town of Villalpando in Castilla y León, Spain. It treats wastewater for approximately 8,380 residents.
The Villalpando wastewater treatment plant is located in the municipality of Villalpando, in the province of Zamora, within the autonomous community of Castilla y León, Spain. The plant serves a population of around 8,380 people, classifying it as a small to medium agglomeration under European Union classification. The plant provides secondary treatment, which is the standard level required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. The designed capacity of the plant is 8,380 population equivalents, matching the population served, and the average daily discharge volume is approximately 425 cubic meters. The treated effluent is discharged into a local watercourse, 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 plays a key role in protecting the local aquatic environment and downstream water quality.
Environmental context
The plant discharges into a tributary of the Duero River, which flows through the Castilla y León region and into Portugal. The Duero basin supports diverse aquatic life and is an important agricultural and ecological corridor. The plant's secondary treatment helps reduce organic pollution and nutrient loads, protecting downstream ecosystems and water quality in the Atlantic coastal zone.
Frequently asked questions
The plant is located on the former N-VI road in Villalpando, in the province of Zamora, Castilla y León, Spain.
The plant serves approximately 8,380 residents of Villalpando and surrounding areas.
The treated effluent is discharged into a local watercourse that flows into the Duero River basin, eventually reaching the Atlantic Ocean.
The plant provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive for agglomerations of this size discharging into freshwater.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into Spanish law. For a population of 8,380, secondary treatment is mandatory, and the plant complies with this requirement.
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