FUENSALIDA EL PILAR Wastewater Treatment Plant, Fuensalida, Spain

FUENSALIDA EL PILAR is a wastewater treatment plant located in Fuensalida, a municipality in the province of Toledo, Castilla-La Mancha, Spain. The plant serves a population of approximately 17,160 people, classifying it as a medium-sized agglomeration under Spanish and EU regulations. As a plant in Spain, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. The treated effluent from the plant is discharged into the local hydrological network, which ultimately drains into the Tagus River basin. The Tagus River is one of the longest rivers in the Iberian Peninsula, flowing westward into Portugal and emptying into the Atlantic Ocean near Lisbon. The river supports diverse aquatic ecosystems and is a critical water resource for the region.

The plant discharges into the Tagus River basin, which flows through central Spain and Portugal before reaching the Atlantic Ocean. The Tagus River supports a variety of fish species and provides habitat for migratory birds. Downstream ecosystems depend on adequate treatment to prevent nutrient pollution and maintain water quality.