Overview
PLOUHARNEL Kerneve wastewater treatment plant serves Erdeven in Bretagne, France. It treats wastewater for a population of 17,433 and is located near the coast.
PLOUHARNEL Kerneve is a wastewater treatment plant located in Erdeven, within the Morbihan department of Bretagne, France. The facility serves a population of 17,433, placing it in the medium agglomeration category under French and EU regulations. Its location near the Atlantic coast influences its operational and environmental considerations. As a plant serving over 10,000 people, it falls under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment as a minimum. For coastal areas, additional nutrient removal may be required if the receiving waters are sensitive. The treated effluent from the plant discharges into local watercourses that eventually reach the Atlantic Ocean. The surrounding region includes the Gulf of Morbihan, a semi-enclosed sea known for its rich biodiversity and shellfish farming. Proper treatment is essential to protect these sensitive marine ecosystems from nutrient pollution and pathogens.
Environmental context
The plant's discharge flows into small coastal streams that drain into the Atlantic Ocean near the Quiberon Peninsula. This area supports diverse marine life, including seagrass beds and shellfish populations. Nutrient loading from wastewater could contribute to eutrophication in the semi-enclosed waters of the Gulf of Morbihan, making effective treatment critical for maintaining water quality and ecosystem health.
Frequently asked questions
PLOUHARNEL Kerneve is located in Erdeven, in the Morbihan department of Bretagne, France. The address is Parc Er Lanne, Erdeven, 56340.
The plant serves a population of 17,433, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is discharged into local coastal streams that flow into the Atlantic Ocean near the Quiberon Peninsula.
As a French plant serving over 10,000 people, it must comply with the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment and, for coastal sensitive areas, additional nutrient removal.
Plants of this scale in France typically employ secondary biological treatment, such as activated sludge or biofiltration, to meet EU standards. Coastal plants may also include phosphorus and nitrogen removal to protect marine environments.
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