Overview
CALIGNY wastewater treatment plant serves the commune of Caligny in Normandy, France. It handles a population equivalent of 58,100 and operates under the EU Urban Waste Water Treatment Directive.
The CALIGNY wastewater treatment plant is located in the commune of Caligny, within the Orne department of Normandy, France. The facility serves a population equivalent of 58,100, placing it in the medium-to-large agglomeration category under European Union classification. As a French wastewater treatment plant, CALIGNY operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The directive also mandates more stringent treatment if the receiving waters are designated as sensitive areas, such as those prone to eutrophication. The plant's treatment process and capacity details are not publicly available, but the regulatory framework ensures compliance with national and European standards. The treated effluent from CALIGNY is discharged into the local watershed, which ultimately drains into the Atlantic Ocean via the Orne River and the English Channel. The surrounding region features a temperate maritime climate and includes agricultural and rural landscapes. The plant plays a key role in protecting the water quality of downstream rivers and coastal ecosystems.
Environmental context
The CALIGNY plant discharges into the Orne River basin, which flows northward through Normandy and empties into the English Channel near Ouistreham. The downstream environment includes estuarine and coastal habitats that support diverse aquatic life, including migratory fish species. The plant's operations help maintain water quality in this ecologically sensitive region, which is important for both biodiversity and local water resources.
Frequently asked questions
The CALIGNY plant is located in the commune of Caligny, in the Orne department of Normandy, France. Its address is D 924, L'Aubrière, Caligny.
The CALIGNY wastewater treatment plant serves a population equivalent of 58,100, classifying it as a medium-to-large agglomeration under EU standards.
The treated effluent from CALIGNY is discharged into the local watershed within the Orne River basin, which ultimately flows into the English Channel.
As a French facility, CALIGNY operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations over 2,000 population equivalent and more stringent treatment in sensitive areas.
Under the EU Urban Waste Water Treatment Directive, plants serving over 15,000 population equivalent are required to provide secondary treatment. In sensitive areas, tertiary treatment for nutrient removal may also be required.
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