Overview
CHATEAU THIERRY wastewater treatment plant serves Essômes-sur-Marne and Château-Thierry in Hauts-de-France, France. It treats wastewater for approximately 31,350 people under the EU Urban Waste Water Treatment Directive.
The CHATEAU THIERRY wastewater treatment plant is located in Essômes-sur-Marne, near Château-Thierry, in the Hauts-de-France region of northern France. The facility serves an estimated population of 31,350, placing it within the medium agglomeration category under European Union regulations. As a French wastewater treatment plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The plant's treatment processes and capacity are aligned with national standards implemented by the French water agencies, ensuring compliance with environmental protection goals. The treated effluent is discharged into the Marne River, a major tributary of the Seine River, which flows through the Paris Basin and ultimately reaches the English Channel. The plant plays a key role in protecting the Marne River's water quality, supporting aquatic life and downstream uses including drinking water supply and recreation.
Environmental context
The plant discharges into the Marne River, which flows into the Seine River before reaching the English Channel. The Marne River supports diverse aquatic ecosystems and is an important water resource for the region. The Hauts-de-France area features a temperate climate with agricultural and urban influences, making effective wastewater treatment critical for maintaining river health and preventing eutrophication downstream.
Frequently asked questions
The plant is located at 43B Rue Roosevelt, Essômes-sur-Marne, near Château-Thierry, in the Aisne department of Hauts-de-France, France.
The plant serves approximately 31,350 people, covering the communes of Essômes-sur-Marne and Château-Thierry.
Treated wastewater is discharged into the Marne River, a tributary of the Seine River, which flows to the English Channel.
As a French plant serving over 10,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment and compliance with national standards enforced by French water agencies.
Under the EU UWWTD, agglomerations between 10,000 and 150,000 population equivalent require secondary treatment. French plants often incorporate biological treatment and may include nutrient removal if discharging into sensitive areas.
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