Overview
UTRILLAS wastewater treatment plant serves the town of Utrillas in Aragón, Spain. It treats wastewater from a population of approximately 6,387 under the EU Urban Waste Water Treatment Directive.
UTRILLAS is a wastewater treatment plant located in Utrillas, a town in the Cuencas Mineras comarca of Aragón, Spain. The plant serves a population of around 6,387, classifying it as a small agglomeration under EU regulations. It is situated inland, away from coastal areas, and its operations are part of the regional water management infrastructure. As a plant in Spain, UTRILLAS operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which sets standards for wastewater collection and treatment. For agglomerations of this size (under 10,000 population equivalent), the directive requires appropriate treatment, typically secondary treatment, to protect receiving waters. It is expected to comply with national and EU standards. The treated effluent from UTRILLAS is discharged into local watercourses that ultimately drain into the Ebro River basin, one of Spain's major river systems. The Ebro River flows into the Mediterranean Sea, supporting diverse aquatic ecosystems and agricultural activities. Proper treatment at this plant helps maintain water quality in the region's rivers and downstream environments.
Environmental context
UTRILLAS is located in the Ebro River basin, which drains into the Mediterranean Sea via the Ebro Delta. The local watershed includes small tributaries that feed the Ebro, supporting agricultural irrigation and freshwater habitats. The plant's discharge contributes to the overall water quality in the basin, which is ecologically sensitive due to its role in sustaining migratory fish species and wetland ecosystems. Effective treatment is essential to prevent nutrient loading and protect downstream biodiversity.
Frequently asked questions
UTRILLAS is located in Utrillas, a town in the Cuencas Mineras comarca of Aragón, Spain, along the N-420 road.
The plant serves approximately 6,387 people, classifying it as a small agglomeration under EU wastewater regulations.
Treated effluent from UTRILLAS is discharged into local watercourses that flow into the Ebro River basin, ultimately reaching the Mediterranean Sea.
As a Spanish plant, UTRILLAS operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires appropriate treatment for agglomerations of its size.
For small agglomerations under 10,000 population equivalent, the EU directive mandates secondary treatment or equivalent to reduce organic matter and suspended solids before discharge.
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