DOLE CHOISEY Wastewater Treatment Plant, Dole, France

DOLE CHOISEY is a wastewater treatment plant located in Dole, Jura, Bourgogne-Franche-Comté, France. It serves a population of approximately 46,670, classifying it as a medium agglomeration under EU regulations. The plant is situated inland, away from the coast, and discharges into the local watershed. As a French plant serving over 10,000 people, DOLE CHOISEY operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment as a minimum. For agglomerations of this size, the directive also mandates appropriate treatment to meet quality standards for receiving waters. Regulatory compliance ensures adequate treatment. The plant's treated effluent likely flows into the Doubs River or a tributary, eventually reaching the Saône River and then the Rhône River, which drains into the Mediterranean Sea. This watershed supports diverse aquatic life and is important for regional water quality. The plant plays a key role in protecting the local environment from nutrient pollution and pathogens.

The plant discharges into the Doubs River basin, part of the larger Saône-Rhône system that flows to the Mediterranean Sea. This watershed supports diverse aquatic ecosystems, including fish species such as brown trout and grayling. The plant's treatment helps maintain water quality in a region known for its rivers and wetlands, which are important for biodiversity and recreation.