Overview
ROTA wastewater treatment plant in Rota, Andalucía, Spain, serves approximately 50,177 people with secondary treatment. The plant has a designed capacity of 70,100 m³/day and discharges 97.06 m³/day of treated wastewater near the coast.
ROTA is a municipal wastewater treatment plant located in Rota, a town in the province of Cádiz, Andalucía, Spain. The plant serves a population of about 50,177 people, classifying it as a medium-sized agglomeration under European Union classifications. It is situated in the Costa Ballena area, near the Atlantic coast. The plant provides secondary treatment, which is the minimum standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for discharges into coastal waters. With a designed capacity of 70,100 m³/day and an average discharge volume of 97.06 m³/day, the plant operates well below its capacity, indicating potential for future growth or seasonal variations. Treated effluent from ROTA is discharged into the Atlantic Ocean via the nearby coastal environment. The receiving waters are part of the Gulf of Cádiz, a productive marine area that supports fisheries and diverse aquatic life. The plant's location within 10 km of the coast means its discharge is subject to stringent regulations to protect marine water quality.
Environmental context
The plant discharges into the Atlantic Ocean near the Costa Ballena coastline, part of the Gulf of Cádiz. This marine environment supports important fisheries and migratory bird populations. The Gulf of Cádiz is a semi-enclosed basin that connects to the Atlantic Ocean, and its coastal waters are ecologically sensitive due to the presence of seagrass meadows and spawning grounds for commercial fish species. Proper treatment is essential to prevent nutrient enrichment and protect marine biodiversity.
Frequently asked questions
The ROTA plant is located in Rota, a town in the province of Cádiz, Andalucía, Spain. Its address is Avenida de la Ballena, Costa Ballena, Rota, Costa Noroeste, Cádiz, Andalucía, 11520.
The plant serves approximately 50,177 people, classifying it as a medium-sized agglomeration under EU standards.
The plant discharges treated effluent into the Atlantic Ocean near the Costa Ballena coastline. As a coastal plant, it must meet stringent standards under the EU Urban Waste Water Treatment Directive to protect marine water quality.
The plant provides secondary treatment, which is the minimum required for discharges into coastal waters under the EU Urban Waste Water Treatment Directive. This involves biological treatment to reduce organic matter and suspended solids.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into Spanish law. For a medium-sized agglomeration serving over 50,000 people, secondary treatment is mandatory, and coastal discharges require additional monitoring to prevent eutrophication.
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