SAINT PIERRE LE MOUTIER_Ville Wastewater Treatment Plant, Saint-Pierre-le-Moûtier, France

SAINT PIERRE LE MOUTIER_Ville is a municipal wastewater treatment plant located in Saint-Pierre-le-Moûtier, a commune in the Nièvre department of Bourgogne-Franche-Comté, France. The plant serves a population of approximately 2,900 residents and has a designed capacity of 2,200 cubic meters per day, with an average discharge volume of 516.82 cubic meters per day. The plant employs advanced treatment processes, which go beyond the secondary treatment requirements of the EU Urban Waste Water Treatment Directive (91/271/EEC). For agglomerations of this size (under 10,000 population equivalent), the directive mandates appropriate treatment, and France typically requires secondary or more stringent treatment to protect receiving waters. The advanced treatment level indicates that the plant likely includes nutrient removal or other tertiary processes to meet local environmental standards. The treated effluent is discharged into local waterways that ultimately drain into the Loire River basin, one of France's major river systems. The Loire flows into the Atlantic Ocean, supporting diverse aquatic ecosystems and providing water for agriculture and communities. The plant's advanced treatment helps protect downstream water quality and ecological health in the region.

The plant discharges into the Loire River basin, which flows through central France before reaching the Atlantic Ocean. The Loire is known for its biodiversity, including migratory fish species such as Atlantic salmon and European eel. Advanced treatment at this plant helps reduce nutrient loads and pollutants, supporting the ecological balance of the river and its downstream estuary.