NANTUA Geovreissiat Wastewater Treatment Plant, Béard, Auvergne-Rhône-Alpes

NANTUA Geovreissiat is a wastewater treatment plant located in Béard, within the commune of Béard-Géovreissiat, in the Ain department of Auvergne-Rhône-Alpes, France. The plant serves a population of around 13,150, classifying it as a medium-sized agglomeration under European Union regulations. As a French facility, the plant 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 advanced treatment if the receiving waters are designated as sensitive areas. The regulatory framework ensures compliance with national and European standards. The plant discharges treated effluent into the local watershed, which ultimately drains into the Rhône River basin. The Rhône flows into the Mediterranean Sea, supporting diverse aquatic ecosystems along its course. The plant plays a key role in protecting water quality in the region, particularly for downstream communities and habitats.

The plant's treated effluent enters the local water system, which flows into the Ain River, a tributary of the Rhône River. The Rhône is one of Europe's major rivers, draining into the Mediterranean Sea. This watershed supports diverse aquatic life and is an important ecological corridor. The plant's operations help maintain water quality in this sensitive river system, which is subject to EU water quality standards.