Definition:
Waste landfill area, the exploitation of with has come to the end, and where the works targeted at creating and restoring its usability through proper relief of the land, enhancement of physical and chemical features as well as regulation of water conditions.

Source:

• Act of 14 December 2012 on waste
  Place of publication: (Dz. U. z 2023 r. poz. 1587, z późn. zm.)