LA ALBERCA Wastewater Treatment Plant, La Alberca, Castilla y León, Spain

LA ALBERCA is a wastewater treatment plant located in the municipality of La Alberca, in the province of Salamanca, Castilla y León, Spain. The plant serves a population of around 5,000 residents and is designed to treat up to 5,000 cubic meters of wastewater per day. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive, which requires secondary treatment for agglomerations of this size. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a current discharge volume of approximately 787 m³/day, the plant operates well within its design capacity. As an inland facility, it discharges treated effluent into local watercourses that ultimately drain into the Duero River basin. The receiving water body supports aquatic life and contributes to the ecological health of the region. The Duero River flows westward through Spain and Portugal before reaching the Atlantic Ocean. The plant's treatment level helps protect downstream water quality and biodiversity in this important river system.

The plant discharges into local streams that are part of the Duero River basin, one of the largest watersheds in the Iberian Peninsula. The Duero River flows through Spain and Portugal, supporting diverse aquatic ecosystems and providing water for agriculture and human use. The treated effluent from LA ALBERCA contributes to the river's flow, and secondary treatment helps minimize nutrient loading and organic pollution, protecting downstream habitats and water quality.