ONDA BETXI VILA REAL ALQUERIAS Wastewater Treatment Plant, Vila-real, Spain

ONDA BETXI VILA REAL ALQUERIAS is a wastewater treatment plant located in Vila-real, in the province of Castellón, Comunitat Valenciana, Spain. The plant serves a population equivalent of 112,265, classifying it as a large agglomeration under EU regulations. Its address is Camí Vora Riu de les Solades, Vila-real, la Plana Baixa. As a large agglomeration in Spain, the plant is subject to the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment as a minimum and tertiary treatment when discharging into sensitive areas. The plant's designed capacity is 1. The plant operates under Spain's national water regulations, which implement the EU directive. The plant's treated effluent is discharged into the local water system, which ultimately drains into the Mediterranean Sea. The Comunitat Valenciana region has a Mediterranean climate with dry summers and heavy rainfall events, making proper wastewater management crucial for protecting coastal water quality and marine ecosystems. The plant plays a key role in safeguarding the recreational and ecological value of the nearby coastline.

The plant discharges into the local river system, likely the Mijares River or a tributary, which flows into the Mediterranean Sea near Castellón. The downstream environment includes coastal wetlands and beaches that support diverse aquatic life and are important for tourism. Protecting this area from nutrient pollution is critical to prevent eutrophication and maintain water quality for bathing and marine habitats.