Overview
OLMEDO wastewater treatment plant serves the town of Olmedo in Castilla y León, Spain. It treats wastewater from a population of approximately 6,300 under EU regulatory standards.
The OLMEDO wastewater treatment plant is located in Olmedo, a town in the province of Valladolid, Castilla y León, Spain. It serves a population of around 6,300 people, classifying it as a small agglomeration under EU directives. As a Spanish facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The plant's treatment processes and capacity are managed to meet these standards, ensuring compliance with national and European regulations. The treated effluent is discharged into local watercourses that flow into the Duero River basin, which ultimately reaches the Atlantic Ocean. The plant plays a key role in protecting the region's water quality and supporting the ecological health of the Duero watershed.
Environmental context
The plant discharges into tributaries of the Duero River, which flows westward through Spain and Portugal before emptying into the Atlantic Ocean near Porto. The Duero basin supports diverse aquatic life and is an important agricultural and ecological corridor. Protecting this watershed from nutrient pollution is critical for maintaining water quality and biodiversity downstream.
Frequently asked questions
The OLMEDO plant is located in Olmedo, a town in the province of Valladolid, in the autonomous community of Castilla y León, Spain.
The plant serves approximately 6,300 people, classifying it as a small agglomeration under EU wastewater treatment directives.
Treated effluent from the plant is discharged into local watercourses that are part of the Duero River basin, which flows to the Atlantic Ocean.
As a Spanish facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size.
Under EU regulations, plants serving between 2,000 and 10,000 population equivalent are required to provide secondary treatment, which typically involves biological processes to reduce organic matter and suspended solids.
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