Overview
Castellar de la Frontera wastewater treatment plant in Andalusia, Spain, serves 4,519 people with secondary treatment. It discharges 819.06 m³/day and is located near the coast.
Castellar de la Frontera wastewater treatment plant is located in the Campo de Gibraltar region of Andalusia, southern Spain. The plant serves a population of approximately 4,519 residents in the municipality of Castellar de la Frontera, near the Mediterranean coast. The facility provides secondary treatment, which is the standard biological treatment required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. The plant has a designed capacity of 4,519 m³/day and treats an average daily flow of 819.06 m³/day. The treated effluent is discharged into the local watershed, which ultimately drains into the Mediterranean Sea. The plant plays a key role in protecting the coastal environment of the Strait of Gibraltar, an ecologically sensitive area that supports diverse marine life and migratory species.
Environmental context
The plant discharges into the local river system that flows into the Mediterranean Sea near the Strait of Gibraltar. This coastal area is ecologically significant, supporting diverse marine habitats and serving as a migratory corridor for fish and seabirds. The secondary treatment helps reduce nutrient and organic pollution, protecting the sensitive coastal ecosystem.
Frequently asked questions
The plant is located in the Campo de Gibraltar region of Andalusia, southern Spain, near the municipality of Castellar de la Frontera.
The plant serves approximately 4,519 residents of Castellar de la Frontera and surrounding areas.
The treated effluent is discharged into the local river system, which flows into the Mediterranean Sea near the Strait of Gibraltar.
The plant provides secondary treatment, which is the standard biological treatment required under the EU Urban Waste Water Treatment Directive for agglomerations of this size.
As a plant serving fewer than 10,000 people, it falls under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for inland discharges and more stringent treatment if discharging into sensitive areas.
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