A military structure located near the commune of Colleville-sur-Mer in the Calvados department of Normandy, France. The coordinates place it within the historic D-Day landing zone of Omaha Beach, an area renowned for its dense network of WWII German fortifications (the Atlantic Wall). The surrounding region contains numerous preserved bunkers, artillery positions, and battlefield remnants from the June 6, 1944, Allied invasion.
The specific function and historical details of this particular structure are not confirmed by the provided information. The name 'Wasser' (German for 'water') may reflect the area's wartime designation or a local toponym, but its precise origin and the bunker's role require further verification.