SISTEMA CALLOSA Wastewater Treatment Plant - Callosa de Segura, Spain

SISTEMA CALLOSA is a major wastewater treatment plant located in Callosa de Segura, within the Comunitat Valenciana region of Spain. It serves a population equivalent of 198,703, classifying it as a large agglomeration under EU standards. The plant is situated in the Vega Baja del Segura area, an important agricultural and urban region. As a large agglomeration, the plant is expected to comply with the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment as a minimum and tertiary treatment in sensitive areas. The plant's designed capacity is 1.00 (likely in cubic meters per day or equivalent units), indicating a substantial infrastructure. Regulatory standards ensure effective pollutant removal. The plant discharges treated water into the local water system, ultimately draining into the Mediterranean Sea via the Segura River basin. This discharge supports the ecological health of downstream water bodies, including coastal wetlands and marine environments. The plant plays a crucial role in protecting water quality in a region known for its agricultural irrigation and tourism.

The plant is located in the Segura River basin, which flows into the Mediterranean Sea. The Segura River supports irrigated agriculture and wetlands of ecological importance, including the Lagunas de La Mata-Torrevieja and the Salinas de Santa Pola. Treated effluent from the plant contributes to maintaining river flow and preventing nutrient overload in coastal waters, which are vital for local biodiversity and tourism.