Overview
COUDUN wastewater treatment plant in Coudun, Hauts-de-France, France, serves about 2,891 people with advanced treatment. It discharges 515.75 m³/day of treated effluent into the local watershed.
The COUDUN wastewater treatment plant is located in Coudun, a commune in the Oise department of Hauts-de-France, northern France. It serves a population of approximately 2,891, classifying it as a small agglomeration under French and EU regulations. The plant is situated near the Aisne River basin, contributing to the regional water management infrastructure. COUDUN employs advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. The plant has a designed capacity of 4,000 m³/day and currently discharges an average of 515.75 m³/day of treated wastewater. This advanced treatment ensures high-quality effluent before release. The treated water from COUDUN is discharged into the local water system, which ultimately drains into the Oise River, a major tributary of the Seine. The Seine River flows through Paris and into the English Channel. The plant's advanced treatment helps protect downstream aquatic ecosystems and supports the ecological health of the Seine basin, which is home to diverse fish species and migratory birds.
Environmental context
The COUDUN plant discharges into the Oise River watershed, which flows into the Seine River and eventually the English Channel. The Seine basin supports diverse aquatic life, including fish such as pike and perch, and provides habitat for migratory birds. Advanced treatment at COUDUN helps reduce nutrient loading and protects downstream water quality in this ecologically sensitive region.
Frequently asked questions
The COUDUN plant is located in Coudun, a commune in the Oise department of Hauts-de-France, northern France. Its address is Voirie de l'Hôtel-Dieu, Coudun, Compiègne, Oise, Hauts-de-France, 60150.
COUDUN discharges treated wastewater into the local water system, which flows into the Oise River basin. The Oise River is a tributary of the Seine, which ultimately reaches the English Channel.
COUDUN helps protect the Oise River and downstream Seine River by treating wastewater to advanced levels before discharge. This reduces pollution and supports the ecological health of these water bodies.
COUDUN operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations over 2,000 population equivalent. COUDUN exceeds this by providing advanced treatment, ensuring high effluent quality.
In France, small agglomerations like COUDUN (serving 2,891 people) are typically required to have at least secondary treatment under EU directives. Many plants, including COUDUN, implement advanced treatment to meet local environmental standards and protect sensitive water bodies.
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