Mushure meizvozvo, hurumende yakaumba Delta Commission kuti iongorore zvikonzero nemhedzisiro yemafashama. Vakafungidzira kuti mafashama akauraya vanhu 1,835 uye akamanikidza kubviswa kwechimbichimbi kwevamwe 70,000. Mafashama akafukidza 9% yenzvimbo yekurima yeDutch, uye mvura yegungwa yakafukidza 1,365 km2 (527 sq mi) yenyika. Mhuka dzinofungidzirwa kuti dzakanyura zviuru makumi matatu, uye zvivakwa makumi mana nezvitatu zvakakanganiswa, izvo zviuru gumi zvakaparadzwa.
Makumi matatu