The Esturgeonnière has chosen in 1991 renewable energy taking up geothermal power as main means. During the site’s enlargement stage in 2005, the question of water settled was considered.
Lors de la phase d’agrandissement du site en 2005, s’est posée la question de la gestion de l’eau.


As regards aquaculture, it is main resource and we must preserve it. Our commitment is to release in the river a water at least of the quality of the water taken. In this matter the Esturgeonnière is equipped with the most modern treatment’s system, combining mechanical filtration and last treatments technology of ammonia by fluidizes beds. All our effluents are collected and concentrated, they form the subject of composting or spreading agrarian lands

The high tech treatment system corresponds to the double requirement to offer to our customers per highest quality caviar allowing the sturgeons to evolve in the best quality water and to guard our activity against all impacts in environment..