Dozulé Wastewater Treatment Plant, Normandy, France

The Dozulé wastewater treatment plant is located in Dozulé, Calvados, Normandy, France. It serves a population of approximately 4,496 people, classifying it as a small agglomeration under EU regulations. The plant is situated near the coast, within 10 km of the English Channel. The plant employs advanced treatment processes, which exceed the EU Urban Waste Water Treatment Directive's minimum requirement of secondary treatment for agglomerations of this size. Advanced treatment typically includes nutrient removal to protect sensitive coastal waters. The designed capacity is 3,000 m³/day, and the current discharge volume is 802.08 m³/day, indicating operational headroom. The treated effluent is discharged into the local watershed, which drains into the English Channel. The coastal environment supports diverse marine life and is an important ecological zone. The plant's advanced treatment helps minimize nutrient loading and protects the receiving waters from eutrophication.

The plant discharges into the local watershed that flows into the English Channel, a nutrient-sensitive coastal sea. The Normandy coast supports diverse marine habitats, including seagrass beds and fish spawning grounds. Advanced treatment reduces nitrogen and phosphorus loads, mitigating the risk of algal blooms and protecting downstream ecosystems.