Watera provides water treatment solutions using renewable energy in France. Its offerings include OSMOSUN reverse osmosis desalination units for sea and brackish water, OSMO-WATT, a containerized solar-powered desalination solution, and OSMOSUN TAPS, an integrated drinking water production solution for remote areas. The company also supplies ultrafiltration, filtration, reverse osmosis, electro-deionization, and UV disinfection solutions. It serves remote communities, municipal and emergency situations, agriculture, hotels, base camps, industrial activities, and the mining industry. The company was formerly known as Osmosun S.A. and changed its name to Watera in March 2026. Watera was incorporated in 2014 and is based in Gellainville, France.