Overview
ALAR DEL REY wastewater treatment plant serves the municipality of Alar del Rey in Castilla y León, Spain. It provides secondary treatment for a population of approximately 2,000.
The ALAR DEL REY wastewater treatment plant is located in the municipality of Alar del Rey, in the province of Palencia, within the autonomous community of Castilla y León, Spain. The plant serves a population of about 2,000 residents, classifying it as a small agglomeration under Spanish and European regulations. The plant operates with secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. The designed capacity is 2,000 cubic meters per day, and the reported discharge volume is 300 cubic meters per day, indicating operational headroom. The treated effluent is discharged into a local watercourse that ultimately drains into the Pisuerga River, a major tributary of the Duero River. The Duero basin supports diverse aquatic life and is an important agricultural and ecological corridor in northwestern Spain.
Environmental context
The plant discharges into a local stream that flows into the Pisuerga River, part of the Duero River basin. The Duero River runs through Spain and Portugal before reaching the Atlantic Ocean. The watershed supports a variety of fish species and riparian habitats, and the region is known for its agricultural use of water resources. The plant's secondary treatment helps protect downstream water quality in this ecologically sensitive basin.
Frequently asked questions
The plant is located on the Carretera de Palencia a Santander in Alar del Rey, Palencia, in the autonomous community of Castilla y León, Spain.
The plant serves approximately 2,000 residents, classifying it as a small agglomeration under EU regulations.
The plant provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive for freshwater discharges from agglomerations of this size.
The plant has a designed capacity of 2,000 cubic meters per day, with a reported discharge volume of 300 cubic meters per day.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into Spanish law. For small agglomerations like this, secondary treatment is mandatory for discharges to freshwater.
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