Overview
Sabero wastewater treatment plant in Castilla y León, Spain, serves 7,200 people with advanced treatment. It discharges 264.25 m³/day of treated effluent into the local watershed.
Sabero wastewater treatment plant is located in the municipality of Sabero, in the province of León, Castilla y León, Spain. The plant serves a population of approximately 7,200 residents and operates with advanced treatment technology, ensuring high-quality effluent before discharge. As an advanced treatment facility, Sabero goes beyond secondary treatment to remove nutrients and other pollutants, meeting stringent standards under the EU Urban Waste Water Treatment Directive (91/271/EEC). The plant has a designed capacity of 7,200 m³/day and currently treats 264.25 m³/day, indicating ample reserve capacity for future growth. The treated wastewater is discharged into the local river system, which eventually drains into the Esla River, a major tributary of the Duero River. The Duero flows westward through Spain and Portugal, emptying into the Atlantic Ocean near Porto. The plant plays a key role in protecting the Esla-Duero basin from nutrient pollution and safeguarding downstream aquatic ecosystems.
Environmental context
The plant discharges into a tributary of the Esla River, part of the Duero River basin. The Duero is one of the Iberian Peninsula's largest rivers, supporting diverse aquatic life and irrigating extensive agricultural lands. Advanced treatment at Sabero helps reduce nutrient loading, preventing eutrophication in downstream reservoirs and the Atlantic coastal zone.
Frequently asked questions
The Sabero wastewater treatment plant is located in the municipality of Sabero, in the province of León, Castilla y León, Spain. Its address is Carretera Puerto de Cerredo a Aguilar de Campoo, Sabero, León, 24810.
The Sabero plant serves a population of approximately 7,200 residents, classifying it as a small to medium agglomeration under EU definitions.
The plant discharges treated effluent into a local tributary of the Esla River, which flows into the Duero River and eventually reaches the Atlantic Ocean.
The Sabero plant provides advanced treatment, which includes nutrient removal beyond secondary treatment. This meets the requirements of the EU Urban Waste Water Treatment Directive for sensitive areas.
The plant operates under Spain's implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations over 2,000 people and more stringent treatment in sensitive catchments like the Duero basin.
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