Overview
ST CHINIAN BOURG is an advanced wastewater treatment plant serving 2,300 people in Pierrerue, Occitanie, France. It discharges 410.32 m³/day of treated effluent into the local watershed.
ST CHINIAN BOURG is an advanced wastewater treatment plant located in Pierrerue, within the Hérault department of Occitanie, southern France. The facility serves a population of approximately 2,300 residents and has a designed capacity of 3,000 m³/day, with an average daily discharge of 410.32 m³/day. The plant employs advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. This level of treatment ensures high-quality effluent suitable for discharge into sensitive environments. The treated effluent is released into the local watershed, which ultimately drains into the Mediterranean Sea via the Orb River or its tributaries. The region's aquatic ecosystems benefit from the advanced treatment, which helps protect water quality and biodiversity in downstream habitats.
Environmental context
The plant discharges into the Hérault basin, a coastal watershed in southern France that flows into the Mediterranean Sea. The receiving waters support diverse aquatic life and are part of a region known for its Mediterranean climate and agricultural activity. Advanced treatment helps minimize nutrient loading and protects downstream ecosystems, including coastal lagoons and marine habitats.
Frequently asked questions
ST CHINIAN BOURG is located on D 20 in Pierrerue, within the Hérault department of Occitanie, France.
The plant serves approximately 2,300 residents in the Pierrerue area.
The plant discharges treated effluent into the local watershed, which flows into the Orb River basin and eventually reaches the Mediterranean Sea.
The plant provides advanced treatment, exceeding the secondary treatment standard required by the EU Urban Waste Water Treatment Directive for agglomerations of this size.
As a French wastewater plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC) and national French water legislation, which mandate appropriate treatment levels to protect receiving water bodies.
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