Overview
PUEBLA DE CAZALLA wastewater treatment plant serves Marchena, Andalucía, Spain. It treats wastewater for a population of 17,274 under EU regulatory standards.
PUEBLA DE CAZALLA is a wastewater treatment plant located in Marchena, within the province of Seville, Andalucía, Spain. The facility serves a population of approximately 17,274, classifying it as a medium-sized agglomeration under EU classification. The plant is situated inland, away from coastal areas, and its operations are integrated into the regional water management infrastructure. As a plant in Spain, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas. The plant's treatment processes are designed to meet these standards, ensuring compliance with European environmental regulations. The treated effluent is discharged into local water bodies that eventually drain into the Guadalquivir River basin, which flows into the Atlantic Ocean. The plant plays a key role in protecting the water quality of the Guadalquivir watershed, supporting aquatic ecosystems and downstream uses such as agriculture and recreation.
Environmental context
The plant discharges into the Guadalquivir River basin, which flows through Andalucía to the Atlantic Ocean near Sanlúcar de Barrameda. The Guadalquivir supports diverse aquatic life, including migratory fish species, and its estuary is ecologically sensitive. The plant's treatment helps maintain water quality in this important river system.
Frequently asked questions
The plant is located in Marchena, in the province of Seville, Andalucía, Spain. Its address is Autovía de Sevilla a Almería por Granada, Marchena, Sevilla, Andalucía, 41540.
The plant serves a population of approximately 17,274 people, classifying it as a medium-sized agglomeration under EU classification.
The treated effluent is discharged into local water bodies that are part of the Guadalquivir River basin, which ultimately flows into the Atlantic Ocean.
As a Spanish plant, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size and additional treatment if the receiving waters are sensitive.
Under the EU Urban Waste Water Treatment Directive, plants serving 10,000 to 150,000 people typically require secondary treatment. In sensitive areas, tertiary treatment may be mandated to reduce nutrients.
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