Sant Lluís Costa Sant Lluís, Sant Lluís

Overview

Sant Lluís Costa Sant Lluís is a wastewater treatment plant serving 7,592 people in Sant Lluís, Menorca, Spain. Located within 50 km of the coast, it discharges into the Mediterranean Sea.

Sant Lluís Costa Sant Lluís is a wastewater treatment plant located in Sant Lluís on the island of Menorca, in the Balearic Islands, Spain. It serves a population of approximately 7,592 residents, placing it in the small-to-medium agglomeration category under Spanish and EU regulations. The plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size discharging into coastal waters. The directive mandates at least secondary treatment for such plants to protect sensitive marine environments. The treated effluent is discharged into the Mediterranean Sea, which surrounds Menorca. The island's coastal waters support diverse marine life, including seagrass meadows and fish populations, making proper wastewater treatment essential for preserving water quality and ecosystem health.

Environmental context

The plant discharges into the Mediterranean Sea near the southeastern coast of Menorca. The island's coastal waters are part of the Balearic Sea, which supports ecologically significant habitats such as Posidonia oceanica seagrass meadows. These meadows provide nursery grounds for fish and help stabilize sediments. Proper treatment is critical to prevent nutrient pollution that could harm these sensitive marine ecosystems.

Frequently asked questions

The plant is located in Sant Lluís on the island of Menorca, in the Balearic Islands, Spain. Its address is Carretera de Punta Prima, Punta Prima, sa Sivina de Baix, Sant Lluís.

The plant serves a population of 7,592 people, classifying it as a small-to-medium agglomeration under EU wastewater treatment regulations.

The treated wastewater is discharged into the Mediterranean Sea, as the plant is located within 50 km of the coast on the island of Menorca.

The plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size discharging into coastal waters to protect marine environments.

Under the EU UWWTD, plants serving between 2,000 and 10,000 population equivalent in coastal areas are typically required to have at least secondary treatment, which involves biological processes to reduce organic matter and nutrients.