There was an important change in these post-war projects from the earlier Noordoostpolder reclamation: a narrow body of water was preserved along the old coast to stabilise the water table and to prevent coastal towns from losing their access to the sea.
Ada perubahan penting dalam proyek pasca-perang reklamasi Noordoostpolder sebelumnya: badan air yang terbatas dipertahankan sepanjang pesisir pantai tua untuk menstabilkan air dan untuk mencegah kota-kota pesisir dari kehilangan akses mereka ke laut.