Santa Maria de Corco l'Esquirol Wastewater Treatment Plant, l'Esquirol, Catalunya

Santa Maria de Corco l'Esquirol is a wastewater treatment plant located in l'Esquirol, a municipality in the Osona region of Barcelona, Catalunya, Spain. The plant serves a population of approximately 1,145 people and has a designed capacity of 2,500 cubic meters per day, with an average discharge volume of 359.03 m³/day. The plant provides secondary treatment, which is the standard level required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids, ensuring compliance with European water quality standards. The treated effluent is discharged into the local watershed, which ultimately drains into the Mediterranean Sea via the Ter River basin. The plant plays a key role in protecting the region's water resources and supporting the ecological health of downstream aquatic environments.

The plant discharges into the Ter River basin, which flows through the Osona region and eventually reaches the Mediterranean Sea. The watershed supports diverse aquatic life and is an important ecological corridor. The plant's secondary treatment helps reduce nutrient and organic pollution, safeguarding water quality in the river and downstream coastal areas.