Overview
La Longueville wastewater treatment plant serves the commune of La Longueville in Hauts-de-France, France. It provides advanced treatment for a population of 1,323 and has a designed capacity of 2,000 m³/day.
La Longueville wastewater treatment plant is located in the commune of La Longueville, within the Nord department of the Hauts-de-France region in northern France. The facility serves a population of approximately 1,323 residents and is part of the region's municipal wastewater infrastructure. The plant employs advanced treatment processes, exceeding the secondary treatment standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. With a designed capacity of 2,000 m³/day and a current discharge volume of 236.02 m³/day, the plant operates well below its capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into local watercourses that ultimately drain into the Scheldt basin, which flows through Belgium and the Netherlands before reaching the North Sea. The plant plays a key role in protecting the region's water quality and supporting downstream aquatic ecosystems.
Environmental context
The plant discharges into the Scheldt river basin, which flows through France, Belgium, and the Netherlands before emptying into the North Sea. This basin supports diverse aquatic life and is an important ecological corridor for migratory fish. The advanced treatment helps reduce nutrient loading and protects downstream water quality in this sensitive transboundary watershed.
Frequently asked questions
The plant is located in La Longueville, a commune in the Nord department of the Hauts-de-France region in northern France.
The plant serves a population of approximately 1,323 residents.
The plant provides advanced treatment, which goes beyond the secondary treatment standard required by the EU Urban Waste Water Treatment Directive.
Under the EU UWWTD, agglomerations with a population equivalent (PE) between 2,000 and 10,000 are required to have appropriate treatment. La Longueville, serving 1,323 people, falls below this threshold but still provides advanced treatment, exceeding regulatory requirements.
The plant has a designed capacity of 2,000 m³ per day, with a current discharge volume of 236.02 m³ per day, indicating significant spare capacity.
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