PASSY, Passy | France Wastewater

Overview

PASSY wastewater treatment plant serves Passy in Auvergne-Rhône-Alpes, France, with a population equivalent of 33,966. Located near the coast, it operates under the EU Urban Waste Water Treatment Directive.

PASSY wastewater treatment plant is located in Passy, a commune in the Haute-Savoie department of the Auvergne-Rhône-Alpes region, France. The plant serves a population equivalent of 33,966, placing it in the medium agglomeration category under EU classification. As a French facility, PASSY operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. The plant's coastal proximity (within 10 km) may necessitate additional nutrient removal to protect sensitive marine environments. The treated effluent from PASSY ultimately drains into the Arve River, a tributary of the Rhône, which flows into the Mediterranean Sea. This downstream connection highlights the plant's role in protecting both local waterways and the broader Mediterranean ecosystem.

Environmental context

PASSY's treated wastewater discharges into the Arve River, which joins the Rhône River before reaching the Mediterranean Sea. The coastal location within 10 km of the sea means the plant's effluent can directly impact marine water quality. The region supports diverse aquatic life, including migratory fish species that rely on clean river habitats. Nutrient loading from wastewater can contribute to eutrophication in coastal zones, making effective treatment essential.

Frequently asked questions

PASSY wastewater treatment plant is located at Chemin de l'Essert, Les Ruttets, Passy, in the Haute-Savoie department of the Auvergne-Rhône-Alpes region, France.

PASSY serves a population equivalent of 33,966, classifying it as a medium-sized agglomeration under EU regulations.

PASSY discharges treated effluent into the Arve River, which flows into the Rhône River and ultimately reaches the Mediterranean Sea.

Under the EU UWWTD, PASSY, serving over 10,000 people, is required to provide secondary treatment. Its coastal location may also require additional nutrient removal to protect sensitive marine areas.

In France, plants serving populations of this scale typically employ secondary biological treatment, often with nutrient removal, to comply with EU standards and protect receiving water bodies.