Overview
Valencia de Don Juan wastewater treatment plant serves the municipality in León, Castilla y León, Spain. It treats wastewater from approximately 8,454 residents before discharging into local waterways.
The Valencia de Don Juan wastewater treatment plant is located in the municipality of Valencia de Don Juan, in the province of León, Castilla y León, Spain. The facility serves a population of approximately 8,454 people, making it a small to medium agglomeration under EU classifications. As a Spanish plant, it 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 are designed to meet national standards that align with the directive, ensuring effective removal of organic matter and nutrients. The treated effluent is discharged into the local river system, which ultimately drains into the Esla River, a tributary of the Duero River. The Duero basin supports diverse aquatic life and is an important agricultural and ecological corridor in northwestern Spain. Proper treatment helps protect downstream water quality and ecosystems.
Environmental context
The plant discharges into the Esla River basin, which flows into the Duero River and eventually reaches the Atlantic Ocean near Porto, Portugal. The Duero basin is a vital freshwater resource for irrigation and supports a variety of fish species, including barbel and trout. Effective wastewater treatment is essential to prevent nutrient enrichment and maintain the ecological balance of this transboundary river system.
Frequently asked questions
The plant is located on Camino el Vergel in Valencia de Don Juan, in the province of León, Castilla y León, Spain.
The plant serves approximately 8,454 residents of Valencia de Don Juan and the surrounding area.
Treated effluent is discharged into the local river system, which flows into the Esla River, a tributary of the Duero River.
As a plant serving over 2,000 people, it falls under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size.
Plants of this scale in Spain typically employ secondary biological treatment, such as activated sludge or trickling filters, to meet EU standards for organic matter and suspended solids removal.
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