San Román de los Montes Wastewater Treatment Plant - Castilla-La Mancha, Spain

The San Román de los Montes wastewater treatment plant is located in the municipality of San Román de los Montes, in the province of Toledo, within the autonomous community of Castilla-La Mancha, Spain. The plant serves a population of approximately 2,370 residents, reflecting its role as a small-scale municipal facility. The plant operates with secondary treatment, which is the standard biological treatment required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations with a population equivalent between 2,000 and 10,000. This level of treatment ensures the removal of organic matter and suspended solids before discharge. The treated effluent is discharged into the local water system, which ultimately drains into the Tagus River basin, one of the major river systems in the Iberian Peninsula. The Tagus River flows westward through Spain and Portugal, emptying into the Atlantic Ocean near Lisbon. The plant's operations contribute to protecting the water quality of this important river basin and its downstream ecosystems.

The plant discharges into the Tagus River basin, which supports diverse aquatic life and provides water for agriculture and human consumption. The Tagus River is a major watercourse in the Iberian Peninsula, flowing through central Spain and Portugal before reaching the Atlantic Ocean. The plant's secondary treatment helps reduce organic pollution and nutrient loads, protecting downstream water quality and the ecological health of the river and its estuary.