Overview
SIETE AGUAS wastewater treatment plant serves the municipality of Siete Aguas in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 4,791 and has a designed capacity of 3,000 m³/day.
SIETE AGUAS is a municipal wastewater treatment plant located in Siete Aguas, a town in the La Hoya de Buñol comarca of Valencia province, Comunitat Valenciana, Spain. The plant serves a population of approximately 4,791 residents and is classified as a small agglomeration under EU regulations. The plant provides secondary treatment, which is the minimum required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. With a designed capacity of 3,000 m³/day and an average discharge volume of 448.29 m³/day, the plant operates well below its capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into a local watercourse that eventually drains into the Mediterranean Sea. The plant plays a key role in protecting the regional watershed and downstream ecosystems from untreated wastewater, supporting water quality in the Júcar River basin and the coastal environment of the Valencian Community.
Environmental context
The plant discharges into a tributary of the Júcar River basin, which flows eastward into the Mediterranean Sea near Valencia. The Júcar River supports diverse aquatic life and is an important water resource for agriculture and urban supply in the region. The downstream coastal area includes ecologically sensitive habitats such as the Albufera de Valencia lagoon, a wetland of international importance for migratory birds. Secondary treatment helps reduce nutrient loads and organic pollution, mitigating eutrophication risks in these downstream waters.
Frequently asked questions
The SIETE AGUAS plant is located in Siete Aguas, a municipality in the La Hoya de Buñol comarca of Valencia province, Comunitat Valenciana, Spain.
The plant serves a population of approximately 4,791 residents, classifying it as a small agglomeration under EU wastewater treatment regulations.
The treated effluent is discharged into a local watercourse that is part of the Júcar River basin, ultimately flowing into the Mediterranean Sea.
The plant provides secondary treatment, which is the minimum required by the EU Urban Waste Water Treatment Directive for freshwater discharges from agglomerations of this size.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into Spanish law. For small agglomerations like Siete Aguas, secondary treatment is mandatory to protect receiving water bodies.
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