Overview
Rosières-aux-Salines wastewater treatment plant in Grand Est, France, serves 2,050 people with advanced treatment. It discharges 365.72 m³/day and has a designed capacity of 3,200 m³/day.
The Rosières-aux-Salines wastewater treatment plant is located in the commune of Rosières-aux-Salines, in the Meurthe-et-Moselle department of the Grand Est region, France. It serves a population of approximately 2,050 residents, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive (UWWTD). The plant is situated along Route de Saint-Nicolas, near Nancy. The facility employs advanced treatment processes, which go beyond the secondary treatment required by the EU UWWTD for agglomerations of this size. It has a designed capacity of 3,200 m³/day and currently discharges an average of 365.72 m³/day of treated wastewater. The advanced treatment ensures high-quality effluent, reducing nutrients and pollutants before discharge. The treated effluent is discharged into the local watershed, which ultimately drains into the Moselle River and then the Rhine River basin. The plant plays a key role in protecting the Meurthe River and downstream aquatic ecosystems, supporting biodiversity and water quality in the region.
Environmental context
The plant discharges into the Meurthe River, a tributary of the Moselle River, which flows into the Rhine River and eventually the North Sea. The watershed supports diverse aquatic life and is an important ecological corridor in the Grand Est region. Advanced treatment helps minimize nutrient loading and protects downstream water quality.
Frequently asked questions
The plant is located on Route de Saint-Nicolas in Rosières-aux-Salines, in the Meurthe-et-Moselle department of the Grand Est region, France, near Nancy.
The plant serves approximately 2,050 residents, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive.
The plant uses advanced treatment processes, which provide higher levels of pollutant removal than secondary treatment, including nutrient reduction.
The plant discharges into the Meurthe River, a tributary of the Moselle River, which flows into the Rhine River and ultimately the North Sea.
As a small agglomeration (under 10,000 population equivalent), the EU UWWTD requires at least secondary treatment. The plant exceeds this with advanced treatment, ensuring high effluent quality.
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