Temporary coverage of land by water that is not normally covered by water, particularly caused by a surge of water in natural watercourses, reservoirs, channels, and from the sea, excluding land coverage by water caused by a surge in sewage systems.

• Act of 20 July 2017, New Water Law
  Place of publication: (Dz. U. z 2024 r. poz. 1087, z późn. zm.)