MONTMEDY nouvelle Wastewater Treatment Plant, Montmédy, Grand Est

MONTMEDY nouvelle is a wastewater treatment plant located in Montmédy, a commune in the Meuse department of the Grand Est region, France. The plant serves a small population of 972 residents, reflecting its role in a rural community. It is situated in the Ville basse area, near the Chemin rural de Praux. As an advanced treatment facility, MONTMEDY nouvelle provides tertiary-level purification beyond secondary treatment, ensuring high-quality effluent. The plant has a designed capacity of 2,500 m³/day and currently discharges 173.4 m³/day, indicating significant spare capacity. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), small agglomerations like this are required to have appropriate treatment, and the advanced level exceeds the minimum secondary treatment standard. The treated effluent is discharged into the local watershed, which ultimately drains into the Meuse River basin. The Meuse flows through France, Belgium, and the Netherlands before reaching the North Sea. The plant's advanced treatment helps protect the sensitive aquatic ecosystems of the Meuse and its tributaries, supporting biodiversity and water quality downstream.

The plant discharges into the Meuse River basin, which flows northward through the Grand Est region and into the Netherlands, emptying into the North Sea. The Meuse supports diverse aquatic life, including fish species such as grayling and pike, and provides important habitat for migratory birds. The advanced treatment at MONTMEDY nouvelle reduces nutrient loads and pollutants, helping to maintain the ecological health of this transboundary river system.