Overview
GIJON ESTE is a municipal wastewater treatment plant serving Gijon, Asturias, Spain. It handles a population equivalent of 161,800 and is located within 50 km of the coast, discharging into the Cantabrian Sea.
GIJON ESTE is a municipal wastewater treatment plant located in the Somio district of Gijon, Asturias, Spain. The plant serves a population equivalent of 161,800, classifying it as a large agglomeration under European Union regulations. Its coastal proximity places it within a sensitive area requiring advanced treatment to protect marine waters. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations larger than 150,000 population equivalent in sensitive areas must achieve tertiary treatment or equivalent nutrient removal. The plant's scale and coastal location imply compliance with stringent discharge standards. The designed capacity is 1.00 (likely in cubic meters per second or similar unit), indicating a substantial infrastructure. The plant's treated effluent ultimately reaches the Cantabrian Sea via local watercourses. This coastal discharge zone supports diverse marine life, including fisheries and migratory species. The plant plays a critical role in preventing nutrient enrichment and safeguarding water quality along the Asturian coastline, which is ecologically sensitive due to its rugged cliffs and rich biodiversity.
Environmental context
GIJON ESTE discharges into the Cantabrian Sea, part of the Bay of Biscay, which supports a productive marine ecosystem including commercial fish stocks and seabird colonies. The coastal waters near Gijon are influenced by urban runoff and industrial activity, making effective wastewater treatment essential to prevent eutrophication and protect habitats such as seagrass beds and rocky reefs. The plant's location within 50 km of the coast underscores its role in maintaining the ecological health of this Atlantic region.
Frequently asked questions
GIJON ESTE is located in the Somio district of Gijon, Asturias, Spain. Its coordinates are approximately 43.54 N, -5.635 W.
GIJON ESTE serves a population equivalent of 161,800, classifying it as a large agglomeration under EU regulations.
GIJON ESTE discharges treated effluent into the Cantabrian Sea, likely via a marine outfall. The plant is within 50 km of the coast, so discharge must meet stringent standards to protect marine water quality.
As a large agglomeration (>150,000 PE) in a coastal sensitive area, GIJON ESTE is required to achieve tertiary treatment or equivalent nutrient removal under the EU Urban Waste Water Treatment Directive (91/271/EEC). This ensures minimal impact on the Cantabrian Sea.
In Spain, plants serving around 160,000 people typically employ secondary biological treatment followed by nutrient removal, especially in coastal areas. Advanced treatment may include activated sludge with nitrogen and phosphorus reduction to meet EU standards.
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