An identified structure located near Marseille, France, in the Bouches-du-Rhône department. The designation 'FA Wasser' suggests a possible German-influenced term, potentially referencing a water supply or infrastructure facility, though its specific historical or military function is not confirmed by available sources. The region has a complex military history, including WWII German occupation and Cold War-era defenses, but no direct link to this specific site is established in the provided information.
Current details regarding its construction, purpose, or present condition remain unverified.