Valle de la Serena Wastewater Treatment Plant, Extremadura | Spain

The Valle de la Serena wastewater treatment plant is located in the town of Valle de la Serena, in the province of Badajoz, Extremadura, Spain. The facility serves a population of approximately 5,300 residents, reflecting its role as a key municipal infrastructure for this inland community. The plant operates with 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 the effluent meets regulatory standards before discharge. The treated wastewater is discharged into local streams that eventually flow into the Guadiana River basin, one of the major river systems in the Iberian Peninsula. The Guadiana River drains into the Gulf of Cádiz (Atlantic Ocean), making the plant's operations important for protecting downstream aquatic ecosystems and water quality in the region.

The plant discharges into the Guadiana River basin, which flows through Extremadura and into the Atlantic Ocean via the Gulf of Cádiz. The Guadiana supports diverse aquatic life and is an important water resource for agriculture and ecosystems in the region. Proper wastewater treatment helps maintain water quality and ecological balance in this semi-arid climate.