PUERTO LAPICE Wastewater Treatment Plant, Puerto Lápice, Castilla-La Mancha, Spain

PUERTO LAPICE is a wastewater treatment plant located in Puerto Lápice, a municipality in the province of Ciudad Real, within the autonomous community of Castilla-La Mancha, Spain. The facility serves a population of approximately 3,326 people, reflecting its role in managing domestic wastewater for this small inland community. The plant employs advanced treatment processes, which go beyond the secondary treatment standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. This level of treatment ensures high-quality effluent, reducing nutrients and pollutants before discharge. The plant operates under Spain's national water regulations, which transpose EU directives and are enforced by regional authorities. The treated wastewater is discharged into local watercourses that ultimately drain into the Guadiana River basin, a major hydrological system in central Spain. The Guadiana River flows westward to the Atlantic Ocean, supporting diverse aquatic habitats and agricultural irrigation. The advanced treatment helps protect downstream ecosystems and water quality in this semi-arid region.

The plant discharges into the Guadiana River basin, which flows through the La Mancha plain and eventually reaches the Atlantic Ocean via the Gulf of Cádiz. This region is characterized by seasonal droughts and intensive agriculture, making water quality management critical. The advanced treatment reduces nutrient loading, helping to prevent eutrophication in downstream reservoirs and wetlands that support migratory birds and endemic fish species.