RIOM, Riom | France Wastewater

Overview

RIOM wastewater treatment plant serves Riom in Auvergne-Rhône-Alpes, France, with a population equivalent of 53,600. It operates under the EU Urban Waste Water Treatment Directive.

The RIOM wastewater treatment plant is located in Riom, a commune in the Puy-de-Dôme department of the Auvergne-Rhône-Alpes region in central France. The plant serves an estimated population of 53,600, placing it in the medium-to-large agglomeration category under EU classification. As a French wastewater 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. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas. The regulatory framework ensures compliance with European standards. The treated effluent from the RIOM plant is discharged into the local watershed, which ultimately drains into the Loire River basin via the Allier River. The Allier is a major tributary of the Loire, supporting diverse aquatic ecosystems and providing water for agriculture and recreation. The plant plays a key role in protecting the water quality of this important river system.

Environmental context

The RIOM plant discharges into the Allier River basin, a tributary of the Loire River, which flows into the Atlantic Ocean. The Allier is known for its dynamic riverine habitats and supports a variety of fish species, including salmonids. The plant's operations help maintain water quality in this ecologically sensitive watershed, which is important for both biodiversity and downstream water users.

Frequently asked questions

The RIOM plant is located at Rue Georges Onslow, Riom, in the Puy-de-Dôme department of the Auvergne-Rhône-Alpes region, France.

The plant serves an estimated population of 53,600, classifying it as a medium-to-large agglomeration under EU standards.

The treated effluent is discharged into the local watershed, which flows into the Allier River, a major tributary of the Loire River.

As a French facility, the RIOM plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which sets treatment standards based on population size and receiving water sensitivity.

Under the EU Urban Waste Water Treatment Directive, agglomerations of this size are required to have at least secondary treatment, with tertiary treatment if discharging into sensitive areas.