Castello de la Plana, Castelló

Overview

Castello de la Plana wastewater treatment plant serves Castelló de la Plana in Comunitat Valenciana, Spain, with a population equivalent of 333,040. The plant operates under the EU Urban Waste Water Treatment Directive.

Castello de la Plana is a major wastewater treatment plant located in Castelló de la Plana, Comunitat Valenciana, Spain. Serving a population of 333,040, it is classified as a large agglomeration under EU regulations. The plant is situated near the Mediterranean coast, within 50 km of the shoreline, and plays a key role in protecting coastal water quality. As a large agglomeration, the plant is required to meet stringent treatment standards under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment as a minimum and tertiary treatment in sensitive areas. The designed capacity is 1.00 (likely in cubic meters per day or similar unit), indicating the plant's scale. The regulatory framework ensures compliance with European standards for nutrient removal and pathogen reduction. The treated effluent is discharged into the Mediterranean Sea, likely via a marine outfall, contributing to the protection of the coastal environment. The plant serves the city of Castelló de la Plana, a key urban center in the Valencia region, and helps maintain the ecological health of the surrounding marine and coastal ecosystems.

Environmental context

The plant discharges into the Mediterranean Sea, a semi-enclosed sea with limited water exchange, making it sensitive to nutrient pollution. The coastal waters near Castelló de la Plana support diverse marine life, including seagrass meadows and fish populations. Effective wastewater treatment is critical to prevent eutrophication and protect bathing water quality along the Costa del Azahar.

Frequently asked questions

The plant is located in Castelló de la Plana (Castellón de la Plana), in the province of Castelló, Comunitat Valenciana, Spain.

The plant serves a population equivalent of 333,040, classifying it as a large agglomeration under EU regulations.

The treated effluent is discharged into the Mediterranean Sea, likely via a marine outfall, given the plant's proximity to the coast.

As a Spanish plant serving over 150,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment and, in sensitive coastal areas, tertiary treatment.

For large agglomerations in Spain, secondary treatment is standard, with tertiary treatment (nutrient removal) often required in sensitive areas like the Mediterranean coast to prevent eutrophication.