MONTLOUIS SUR LOIRE Le Pas d Amont Wastewater Treatment Plant, Vouvray, France

MONTLOUIS SUR LOIRE Le Pas d Amont is a wastewater treatment plant located in Vouvray, within the Centre-Val de Loire region of France. The plant serves a population of about 11,000 people, classifying it as a medium agglomeration under EU regulations. As a French facility, the plant is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size discharging into freshwater. The regulatory framework ensures compliance with national standards. The plant discharges treated wastewater into the Loire River, which flows through the Loire Valley, a UNESCO World Heritage site known for its rich biodiversity and cultural landscape. The river ultimately drains into the Atlantic Ocean, supporting diverse aquatic life and important migratory fish species.

The plant discharges into the Loire River, a major French waterway that flows through the Centre-Val de Loire region. The Loire Valley is ecologically sensitive, supporting diverse aquatic habitats and migratory fish such as salmon and eels. The river eventually reaches the Atlantic Ocean, making the treatment plant's performance critical for downstream water quality and marine ecosystem health.