The site in Wittenheim is located near Mulhouse in Alsace on the site of the former MDPA Théodore potash mine. This includes a bagging plant and a fertilizer mixing plant, the main activity being the granulation of potassium chloride.

The plant is supplied daily by rail with potassium chloride from the German mines. Thanks to its large storage capacities, K+S France Wittenheim is an important logistics platform for K+S. A large proportion of the products intended for the French market pass through the site and are then dispatched by train or truck. K+S France Wittenheim owns a bagging plant and a fertilizer mixing plant. K+S France Wittenheim has 47 employees.
The history of Wittenheim
2007 - Press granulation of Korn-Kali
2004 - Purchase of CCW by K+S and integration into K+S KALI & SCPA France
2001 - Foundation of Compagnie de Compactage de Wittenheim by taking over the activities of Sérémine
1996 - Construction of the fertilizer mixing plant
1986 - Closure of the Théodore mine and creation of Sérémine
1912 - Start of potash salt extraction from the Théodore mine
