Overview
EDAR DE LAS CALDAS is a wastewater treatment plant serving Oviedo, Asturias, Spain. It serves a population of 40,000 and has a designed capacity of 1.00 (units unspecified).
EDAR DE LAS CALDAS is a wastewater treatment plant located in Casielles, Les Caldes, near Oviedo in the Asturias region of Spain. The plant serves a population of approximately 40,000 people, placing it in the medium agglomeration category under EU classification. As a Spanish facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The plant discharges into the local watershed, which ultimately drains into the Cantabrian Sea (Bay of Biscay). The region's rivers support diverse aquatic life and are important for local ecosystems. The plant plays a key role in protecting water quality in the area.
Environmental context
The plant is located inland in the Asturias region, over 50 km from the coast. Its treated effluent likely flows into a tributary of the Nalón River or another local river system, which drains into the Cantabrian Sea. This coastal sea supports rich marine biodiversity, including fisheries and migratory species. The plant's operation helps maintain water quality in these downstream environments.
Frequently asked questions
EDAR DE LAS CALDAS is located in Casielles, Les Caldes, near Oviedo in the Asturias region of Spain.
The plant serves a population of approximately 40,000 people.
The plant discharges into a local river system that ultimately flows into the Cantabrian Sea (Bay of Biscay).
As a plant serving 40,000 people, it is classified as a medium agglomeration under the EU UWWTD, which requires secondary treatment as a minimum standard.
Under the EU UWWTD, plants serving over 10,000 people typically require secondary treatment. In sensitive areas, tertiary treatment may be mandated.
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